Publications

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[243] “Isovalent AgIII/AgIII, AgII/AgII, Mixed-valent AgII/AgIII and Corrolato-Based Mixed-Valency in b,b/ Linked [Bis{corrolato-silver}]n Complexes.” B. Patra, S. Sobottka, W. Sinha, B. Sarkar* and S. Kar*, Chem. Eur. J. 2017, 23, 13858 (highlighted as frontispiece). 

   

[242] “Impact of mechanical bonding on the redox-switching of tetrathiafulvalene in crown ether-ammonium [2]rotaxanes.” H. V. Schröder, S. Sobottka, M. Nößler, H. Hupatz, M. Gaedke, B. Sarkar and C. A. Schalley, Chem. Sci. 2017, 8, 6300.

 

[241] “Iluminating Iron: Mesoionic Carbenes as Privileged Ligands in Photochemistry.” B. Sarkar* and L. Suntrup, Angew. Chem. Int. Ed. 2017, 56, 8938.

 

[240] “Ruthenium Complexes with Strongly Electron-Donating Terpyridine Ligands: Effect of the Working Electrode on Electrochemical and Spectroelectrochemical Properties.” J. Klein, A. Stuckmann, S. Sobottka, L. Suntrup, M. van der Meer, P. Hommes, H.-U. Reißig and B. Sarkar*, Chem. Eur. J. 2017, 23, 12314 (Part of the special issue commemorating 150 years of the German Chemical Society).

 

[239] “The Power of Ferrocene, Mesoionic Carbenes and Gold: Redox-Switchable Catalysis.” S. Klenk, S. Rupf, L. Suntrup, M. van der Meer and B. Sarkar*, Organometallics 2017, 36, 2026.

  

[238] "Gauging Donor/Acceptor Properties and Redox Stability of Chelating Click-Derived Triazoles and Triazolylidenes: A Case Study with Rhenium(I) Complexes." L. Suntrup, S. Klenk, J. Klein, S. Sobottka, B. Sarkar*, Inorg. Chem. 2017, 56, 5771.. 

 

 [237] “Tuning Magnetic Anisotropy Through Ligand Substitution in Five-Coordinate Co(II) Complexes.” D. Schweinfurth, J. Krzystek, M. Atanasov*, J. Klein, S. Hohloch, J. Telser*, S. Demeshko, F. Meyer, F. Neese* and B. Sarkar*, Inorg. Chem. 2017, 56, 5253. 

  

[236] “Metal Complexes of Click-Derived Triazoles and Mesoionic Carbenes: Electron Transfer, Photochemistry, Magnetic Bistability and Catalysis.” D. Schweinfurth, L. Hettmanczyk, L. Suntrup, B. Sarkar*, Z. Anorg. Allg. Chem. 2017, 643, 554 (invited review article, highlichted on front cover).

 

[235] “Structural, Electrochemical and Photochemical Properties of Mono and Digold(I) Complexes Containing Mesoionic Carbenes.” L. Hettmanczyk, S. J. P. Spall, S. Klenk, M. van der Meer, S. Hohloch, J. A. Weinstein, B. Sarkar*, Eur. J. Inorg. Chem. 2017, 2112–2121.

 

[234] “A Divalent Pentastable Redox-Switchable Donor-Acceptor Rotaxane.” H. V. Schröder, H. Hupatz, A. Achazi, S. Sobottka, B. Sarkar, B. Paulus and C. A. Schalley, Chem. Eur. J. 2017, 23, 2960.

 

[233] “Ruthenium-Ruthenium Bonded [Bis{corrolato-ruthenium(III)}]n (n = 0, +1, -1) Complexes: Model Compounds for the Photosynthetic Special Pair.” W. Sinha, M. G. Sommer, L. Hettmanczyk, B. Patra, V. Filippou, B. Sarkar* and S. Kar*, Chem. Eur. J. 2017, 23, 2396.

 

[232] “Heteromultimetallic Complexes with Redox-Active Mesoionic Carbenes: Control of Donor Properties and Redox-Induced Catalysis.” L. Hettmanczyk, L. Suntrup, S. Klenk, C. Hoyer and B. Sarkar*, Chem. Eur. J. 2017, 23, 576 (selected as “Very Important Article”, highlighted on front cover, cover profile).

 

[231] “Control of Complex Formation through Peripheral Substituents in Click-Tripodal Ligands: Structural Diversity in Homo- and Heterodinuclear Cobalt-Azido Complexes.” M. G. Sommer, R. Marx, D. Schweinfurth, Y. Rechkemmer, P. Neugebauer, M. van der Meer, S. Hohloch, S. Demeshko, F. Meyer, J. van Slageren* and B. Sarkar*,Inorg. Chem. 2017, 56, 402.

 

[230] “Tri- and Penta-Heteronuclear Copper(I)-Ferrocenyl Complexes Assembled Through a „Click“-Strategy: A Structural, Electrochemical and Spectroelectrochemical Investigation”. S. Manck, M. Röger, M. van der Meer and B. Sarkar*, Eur. J. Inorg. Chem. 2017, 477 (invited article for the Cluster issue “Ferrocene”).

 

[229] “Phosphinines versus Mesoionic Carbenes: A Comparison of Structurally Related Ligands in Au(I)-Catalysis.” M. Rigo, L. Hettmanczyk, F. J. L. Heutz, S. Hohloch, M. Lutz, B. Sarkar,* and C. Müller*, Dalton Trans. 2017, 46, 86 ( Equal contribution).

 

[228] “Storing Information at the Molecular Level: Developing Molecules for Data Storage Devices.” B. Sarkar* and J. van Slageren*, G.I.T. Laboratory Journal 2017, accepted.

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[227]“Palladium(II)-Acetylacetonato Complexes with Mesoionic Carbenes: Synthesis, Structures and their Application in the Suzuki–Miyaura Cross Coupling Reaction.” L. Hettmanczyk, B. Schmid, S. Hohloch and B. Sarkar*Molecules 2016, 21, 1561 (invited article for the special issue “Recent Advances in CuAAC Click Chemistry).

  

[226] “Mono- and Digold(I) Complexes with Mesoionic Carbenes: Structural Characterization and Use in Catalytic Silver-Free Oxazoline Formation.” L. Hettmanczyk, D. Schulze, L. Suntrup and B. Sarkar*Organometallics 2016, 35, 3828.

  

 [225]“Multiple Bistability in Quinonoid Bridged Diiron(II) Complexes: Influence of Bridge Symmetry on Bistable Properties.” M. van der Meer, Y. Rechkemmer, F. D. Breitgoff, R. Marx, P. Neugebauer, U. Frank, J. van Slageren and B. Sarkar*Inorg. Chem2016, 55, 11944.

  

[224] “Structural Snapshots in the Copper(II) Induced Azide-Nitrile Cycloaddition: Effect of Peripheral Ligand Substituents on the Formation of Unsupported µ1,1-Azido vs. µ1,4-Tetrazolato Bridged Complexes.” M. G. Sommer, Y. Rechkemmer, L. Suntrup, S. Hohloch, M. van der Meer, J. van Slageren* and B. Sarkar*, Dalton Trans. 2016, 45, 17770.

 

[223]“Expanding the Scope of Chelating Triazolylidenes: Mesoionic Carbenes from the 1,5-“Click”-Regioisomer and Catalytic Synthesis of Secondary Amines from Nitroarenes.” L. Suntrup, S. Hohloch and B. Sarkar*, Chem. Eur. J. 2016, 22, 18009. (selected as “Hot Article”, to be highlighted on inside front cover).

 

[222]“Ruthenium Azocarboxamide Half-Sandwich Complexes: Influence of the Coordination Mode on the Electronic Structure and Activity in Base-Free Transfer Hydrogenation Catalysis.” M. G. Sommer, S. Marinova, M. J. Krafft, D. Urankar, D. Schweinfurth, M. Bubrin, J. Kosmrlj* and B. Sarkar*, Organometallics 2016, 35, 2840.

 

[221]“Dinuclear [{(p-cym)RuIICl}2(µ-bpytz•-)](PF6) complex bridged by a radical anion: synthesis, spectroelectrochemical, EPR and theoretical investigation (bpytz = 3,6-bis(3,5-dimethylpyrazolyl)1,2,4,5-tetrazine; p-cym = p-cymene).” S. K. Tripathy,M. van der Meer, A. Sahoo, P. Laha, N. Dehury, S. Plebst, B. Sarkar*, K. Samanta*, and S. Patra*, Dalton Trans. 2016, 45, 12532.

 

[220] “A Dicobalt Complex with an Unsymmetrical Quinonoid Bridge Isolated in Three Units of Charge: A Combined Structural, (Spectro)electrochemical, Magnetic and Spectroscopic Study.” M. van der Meer, Y. Rechkemmer, U. Frank, F. D. Breitgoff, S. Hohloch, C.-Y. Su, P. Neugebauer, R. Marx, M. Dörfel, J. van Slageren*, B. Sarkar*, Chem. Eur. J. 2016, 22, 13884.

 

[219] “RuII, IrIII and OsII mesoionic carbene complexes: efficient catalysts for transfer hydrogenation of selected functionalities.” A. Bolje, S. Hohloch, J. Kosmrlj* and B. Sarkar*, Dalton Trans. 2016, 45, 15983 (invited article for the themed issue “Reactions Facilitated by Ligand Design”).

 

[218]“Probing Bistability in FeII and CoII Complexes with an Unsymmetrically Substituted Quinonoid Ligand.” M. van der Meer, Y. Rechkemmer, F. D. Breitgoff, S. Dechert, R. Marx, M. Dörfel, P. Neugebauer, J. van Slageren* and B. Sarkar*, Dalton Trans. 2016, 45, 8394.

 

[217]“FeII and CoII Complexes with Click-Derived Tripodal Ligands: Influence of the Peripheral Substituents on Geometric Structures and Magnetic Properties.” D. Schweinfurth, S. Demeshko, M. G. Sommer, S. Dechert, F. Meyer and B. Sarkar*, Eur. J. Inorg. Chem. 2016, 2581 (invited article for the special issue „Scorpionate Ligands“).
 

[216] “Exploring Potential Cooperative Effects in Dicopper(I)-Di-Mesoionic Carbene Complexes: Applications in Click Catalysis.” S. Hohloch, L. Suntrup and B. Sarkar*, Inorg. Chem. Frontiers 2016, 3, 67 accepted (invited article for an emerging investigator issue).

 

[215] “A Four-Coordinate Cobalt(II) Single Ion Magnet With Coercivity and a Very High Energy Barrier.” Y. Rechkemmer, F. D. Breitgoff, M. van der Meer, M. Atanasov*, M. Hakl, M. Orlita, P. Neugebauer, F. Neese*, B. Sarkar*, J. van Slageren*, Nat. Commun. 2016, 7, 10467.

 

[214] “Structural, Electrochemical and Spectroelectrochemical Studies on the Geometric and Electronic Structures of [(corrolato)AuIII]n (n = 0, +1, -1) Complexes.” W. Sinha, M. G. Sommer, M. van der Meer, S. Plebst, B. Sarkar* and S. Kar, Dalton Trans2016, 45, 2914.

 

[213] “Palladium Complexes Bearing Mesoionic Carbene Ligands: Applications in α-Arylation, α-Methylation and Suzuki-Miyaura Coupling Reactions.” R. Maity, A. Verma, M. van der Meer, S. Hohloch and B. Sarkar*, Eur. J. Inorg. Chem. 2016, 111.

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[212] “Redox-Activity and Bond-Activation in Ir-Diamidobenzene Complexes: A Combined Structural, (Spectro)electrochemical and DFT Investigation.” M. van der Meer, S. Manck, S. Sobottka, S. Plebst and B. Sarkar*, Organometallics 2015, 34, 5393.

 

[211] “C-H activation in IrIII and N-demethylation in PtII complexes with mesoionic carbene ligands: examples of monometallic, homobimetallic and heterobimetallic complexes.” R. Maity, T. Tichter, M. van der Meer and B. Sarkar*, Dalton Trans. 2015, 44, 18311.

 

[210] “Synthesis and (Spectro)electrochemistry of New Ferrocenyl-Substituted Pyridine Derivatives.” G. Podolan, L. Hettmanczyk, P. Hommes, B. Sarkar* and H.-U. Reißig*, Eur. J. Org. Chem. 2015, 7317.

 

[209] “Electrocatalytic Dihydrogen Production with a Robust Mesoionic Pyridylcarbene Cobalt Catalyst.” M. van der Meer, E. Glais, I. Siewert* and B. Sarkar*, Angew. Chem. Int. Ed. 2015, 54, 13792.

 

[208] “Experimental and Theoretical Investigations of the Existence of Cu(II), Cu(III) and Cu(IV) in Copper-Corrolato Complexes.” W. Sinha, M. G. Sommer, N. Deibel, F. Ehret, M. Bauer, B. Sarkar* and S. Kar*, Angew. Chem. Int. Ed. 2015, 54, 13769 (selected as hot paper).

 

[207] “From cyclen to 12-crown-4 Cu(II) complexes: Exchange of donor atoms improves DNA cleavage activity.” J. Hormann, M. van der Meer, B. Sarkar and N. Kulak, Eur. J. Inorg. Chem. 2015, 4722.

 

[206] “Triply cyclometalated trinuclear iridium(III) and trinuclear palladium(II) complexes with a tri-mesoionic carbene ligand.” R. Maity, A. Mekic, M. van der Meer, A. Verma and B. Sarkar*, Chem. Commun. (2015), 51, 15106 (highlighted on back cover).

 

[205] “Dioxygen activation by an in situ reduced Cu(II) hydrazone complex.” C. Radunsky, J. Kösters, M. C. Letzel, S. Yogendra, C. Schwickert, S. Manck, B. Sarkar, R. Pöttgen, J. J. Weigand, J. Neugebauer and J. Müller, Eur. J. Inorg. Chem. 2015, 4006.

 

[204] “Di- and Trinuclear Iridium(III) Complexes with Poly-Mesoionic Carbenes Synthesized Through Selective Base-Dependent Metalation.” R. Maity, M. van der Meer, S. Hohloch and B. Sarkar*, Organometallics 2015, 34, 3090.

 

[203] “Utilizing a series of fac-Re(CO)3 core based quinonoid containing complexes for photophysical and cell imaging studies.” D. Gupta, V. Singh, S. Hohloch, M. Sathiyendiren*, K. Tedin and B. Sarkar*, Polyhedron 2015, 100, 243.

 

[202] “Heterobimetallic complexes with redox-active mesoionic carbenes as metalloligands: Electrochemical properties, electronic structures and catalysis.” L. Hettmanczyk, S. Manck, C. Hoyer, S. Hohloch and B. Sarkar*, Chem. Commun. 2015, 51, 10949.

 

[201] “Diiron Benzenedithiolate Complexes Relevant to the [FeFe] Hydrogenase Active Site.” I. K. Kumar, S. M. Mobin, N. Deibel, B. Sarkar* and S. Kaur-Ghumaan*, Eur. J. Inorg. Chem. 2015, 2875.


[200] “Copper(I) Complexes of Mesoionic Carbene: Structural Characterization and Catalytic Hydrosilylation Reactions.” S. Hohloch, F. L. Duecker, M. van der Meer and B. Sarkar*, Molecules 2015, 20, 7379 (invited article for a special issue on „Advances in Click Chemistry“).


[199] “Use of EPR Spectroscopy to Unravel Reaction Mechanisms in (Catalytic) Bond Activation Reactions: Some Selected Examples” S. Manck and B. Sarkar*, Topics in Catalysis 2015, 58, 751 (invited article for a special issue on “EPR in catalysis”, Ed. Th. Risse).


[198] “RuII, OsII and IrIII Complexes with Chelating Pyridyl-Mesoionic Carbene Ligands: Structural Characterization and Applications in Transfer Hydrogenation Catalysis.” A. Bolje, S. Hohloch, M. van der Meer, J. Kosmrlj* and B. Sarkar*, Chem. Eur. J. 2015, 21, 6756 (highlighted on inside front cover).


[197] “Tailoring RuII–Pyridine/Triazole Oxygenation Catalysts and Using Photoreactivity to Probe their Electronic Properties.” F. Weisser, H. Stevens, J. Klein, M. van der Meer, S. Hohloch and B. Sarkar*, Chem. Eur. J. 2015, 21, 8926.


[196] “Functional Metal Complexes Based on Bridging “Imino”-Quinonoid Ligands.” B. Sarkar*, D. Schweinfurth, N. Deibel and F. Weisser, Coord. Chem. Rev. 2015293, 250 (invited review for the ICCC-41 special issue).    

                                                                                                                                                                             

[195] “Reactivity of TCNE and TCNQ derivatives of quinonoid zwitterions with copper(I).” T. Kauf, V. Rosa, C. Fliedel, N. Deibel, T. Avilés, B. Sarkar and P. Braunstein, Dalton Trans. 2015, 44, 5441.                                                                                                                                              

[194] “Tuning Ligand Effects and Probing the Inner-Workings of Bond Activation Steps: Generation of Ruthenium Complexes with Tailor-made Properties.” F. Weisser, S. Plebst, S. Hohloch, M. van der Meer, S. Manck, F. Führer, V. Radtke, D. Leichnitz and B. Sarkar*, Inorg. Chem. 2015, 54, 4621.                                                                                                                                                                                                                                                                                       

[193] “Variable Non-Innocence of Substituted Azodiphenylcyanamido Diruthenium Complexes.” M. M. R. Choudhuri, M. Behzad, M. Al-Noaimi, G. P. A. Yap, W. Kaim, B. Sarkar, R. J. Crutchley, Inorg. Chem. 2015, 54, 1508.                                                                                                                                                                                                                                                                                       

[192] “The Ligand Field of the Azido Ligand: Insights into Bonding Parameters and Magnetic Anisotropy in a Co(II)-Azido Complex.” D. Schweinfurth, M. G. Sommer, M. Atanasov*, S. Demeshko, S. Hohloch, F. Meyer, F. Neese* and B. Sarkar*, J. Am. Chem. Soc. 2015, 137, 1993.                                                                                                                                           


[191] “Heterotetranuclear Complexes of Reduced and Non-reduced Bridging 1,2,4,5-Tetrazine Ligands with 1,1’-Bis(diphenylphosphino)-ferrocene-copper(I).” M. Bach, S. Roy, B. Sarkar, M. Bubrin, M. Niemeyer, J. Fiedler, C. Duboc and W. Kaim, Z. Anorg. Allg. Chem. 2015, 641(2), 327.


[190] “Catalytic oxygenation of sp3 “C-H” bonds with Ir(III) complexes of chelating triazoles and mesoionic carbenes”, S. Hohloch, S. Kaiser, F. L. Dücker, A. Bolje, R. Maity, J. Kosmrlj and B. Sarkar*, Dalton Trans. 2015, 44, 686 (has been part of Dalton Trans. most read articles).


[189] “Redox-active multinuclear Pd(II) complexes with bis- and tris-mesoionic carbenes”, R. Maity, M. van der Meer and B. Sarkar*, Dalton Trans. 2015, 44, 46 (has been part of Dalton Trans. most read articles).

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[188] “Combining [Arene-Ru] with Azocarboxamide to generate Complexes with Cytotoxic Properties”. M. G. Sommer, P. Kureljak, D. Urankar, D. Schweinfurth, N. Stojanovic, M. Bubrin, M. Gazvoda, M. Osmak*, B. Sarkar* and J. Kosmrlj*, Chem. Eur. J. 2014, 20, 17296.

 

[187] “Spektroskopie trifft Elektrochemie”, F. Weisser, N. Deibel and B. Sarkar*, Nach. der Chemie 2014, 62,1068.

 

[186] “Silver Corrole Complexes: Unusual Oxidation States and NIR Absorbing Dyes.” W. Sinha, M. G. Sommer, N. Deibel, F. Ehret, B. Sarkar* and S. Kar*, Chem. Eur. J. 2014, 20, 15920.

 

[185] “Three-way Cooperativity in d8 Metal Complexes with Ligands Displaying Chemical and Redox Non-Innocence.” N. Deibel, S. Hohloch, D. Schweinfurth, F. Weisser, A. Grupp and B. Sarkar*, Chem. Eur. J. 2014, 20, 15178.

 

[184] “Spin Crossover in Fe(II) and Co(II) Complexes with the same Click-Derived Tripodal Ligand.” D. Schweinfurth, S. Demeshko, S. Hohloch, M. Steinmetz, S. Dechert, F. Meyer, S. Grimme* and B. Sarkar*, Inorg. Chem. 2014, 53, 8203.

 

[183] “(Electro)catalytic C-C bond formation reaction with a redox-active cobalt complex.” M. van der Meer, Y. Rechkemmer, I. Peremykin, S. Hohloch, J. van Slageren* and B. Sarkar*, Chem. Commun. 2014, 50, 11104 (invited article for the special issue “Non-innocent Ligands”, highlighted as back cover).

 

[182] “Cyclometallated Mono- and Dinuclear Ir(III) Complexes with „Click“ Derived Triazoles and Mesoionic Carbenes.” R. Maity, S. Hohloch, C.-Y. Su, M. van der Meer and B. Sarkar*, Chem. Eur. J. 2014, 20, 9952.

 

[181] “Exploring the non-innocent character of electron rich π-extended 8-oxyquinolate ligands in ruthenium(II) bipyridyl complexes.” S. Bellinger-Buckley, T.-C. Chang, D. Schweinfurth, S. Bag, W. Zhou, B. Torok, B. Sarkar, M.-K. Tsai, J. Rochford, Inorg. Chem. 2014, 53, 5556.

 

[180] “Exploring the Scope of Pyridyl and Picolyl Functionalized 1,2,3-triazol-5-ylidenes in Bidentate Coordination to Ruthenium(II) Cymene Chloride Complexes.” A. Bolje, S. Hohloch, D. Urankar, A. Pevec, M. Gazvoda, B. Sarkar and J. Kosmrlj, Organometallics 2014, 33, 2588.

 

[179] “Electrochemical Evidence for Hemilabile Coordination of 1,3-Dimethyllumazine to 1,1´-Bis(diorganophosphino)ferrocene-copper(I).” R. Jana, B. Sarkar, S. Strobel, S. M. Mobin, W. Kaim and J. Fiedler, Organometallics 2014, 33, 4784.

 

[178] “Synthesis and Electrochemical Behavior of a Zwitterion-Bridged Metalla-Cage.” M. Yuan, F. Weisser, B. Sarkar, A. Garci, P. Braunstein, L. Routaboul and B. Therrien, Organometallics 2014, 33, 5043.

 

[177] “Dinuclear Quinonoid Bridged d8 Metal Complexes with Redox-Active Azobenzene Stoppers: Electrochemical Properties and Electrochromic Behavior.” N. Deibel, M. G. Sommer, S. Hohloch, J. Schwann, D. Schweinfurth, F. Ehret and B. Sarkar*, Organometallics, 2014, 33, 4756. (invited article for the special issue „Organometallic Electrochemistry“).

 

[176] “Introducing Potential Hemilability into “Click” Triazoles and Triazolylidenes: Synthesis and Characterization of d6-Metal Complexes and Oxidation Catalysis.” S. Hohloch, L. Hettmanczyk and B. Sarkar*, Eur. J. Inorg. Chem. 2014, 3164. (one of the 15 most accessed articles of Eur. J. Inorg. Chem. between 03/2014 and 02/2015).

 

[175] “In-situ Spectroelectrochemistry (EPR, UV-Visible) and Aggregation Behavior of H2BDCP and Zn(II)BDCP [BDCP = {5,10,15,20-tetrakis[3,4-(1,4-dioxan)phenyl]porphyrin}2-].” W. Sinha, N. Deibel, A. Garai, D. Schweinfurth, S. Anwar, C. S. Purohit, B. Sarkar* and S. Kar*, Dyes and Pigments 2014, 107, 29.

 

[174] “Synthesis and Crystal Structure of a Tetrametallic Coordination Complex of Tetrahydroxy-p-Benzoquinone”. D. Gupta, B. Shankar, P. Elumalai, R. Shanmugam, S. M. Mobin, F. Weisser, B. Sarkar and M. Sathiyendiran, J. Organomet. Chem. 2014, 754, 59.

 

[173] “Triazaphospholes versus Triazoles: An Investigation of the Differences between “Click”-Derived Chelating Phosphorous- and Nitrogen-Containing Heterocycles.” J. A. W. Sklorz, S. Hoof, M. G. Sommer, F. Weisser, M. Weber, J. Wiecko, B. Sarkar and Ch. Müller, Organometallics 2014, 33, 511.

 

[172] “Redox-Induced Spin State Switching and Mixed-Valency in Quinonoid Bridged Dicobalt Complexes.” D. Schweinfurth, Y. Rechkemmer, S. Hohloch, N. Deibel, I. Peremykin, J. Fiedler, R. Marx, P. Neugebauer, J. van Slageren* and B. Sarkar*, Chem. Eur. J. 2014, 20, 3475.

 

[171] “Structural Characterization, Solution Dynamics and Reactivity of Palladium Complexes with Benzimidazolin-2-ylidene N-Heterocyclic Carbene (NHC) Ligands.” S. Hohloch, N. Deibel, D. Schweinfurth, W. Frey and B. Sarkar*, Eur. J. Inorg. Chem. 2014, 2131.

 

[170] “Electrochemistry, Chemical Reactivity, and Time-resolved IR Spectroscopy of Donor-Acceptor Systems [(Qx)Pt(papy)] (Q = substituted o-Quinone or o-Iminoquinone, pap = Phenylazopyridine).” N. Deibel, D. Schweinfurth, S. Hohloch, M. Delor, M. Towrie, I. Sazanovich, J. Weinstein* and B. Sarkar*, Inorg. Chem. 2014, 53, 1021.

 

[169] “Luminescent Dirhenium(I)-Double-Heterostranded Helicate and Mesocate” B. Shankar, S. Sahu, N. Deibel, D. Schweinfurth, B. Sarkar, F. Hussain, G. Krishnamoorthy and M. Sathiyendiren, Inorg. Chem. 2014, 53, 922.

 

[168] “Synthesis, Spectral Characterization, Structures, and Oxidation State Distributions in [(corrolato)FeIII (NO)]n (n = 0, +1, -1) Complexes.” W. Sinha,N. Deibel, A. Garai, D. Schweinfurth,C. S. Purohit, B. Sarkar* and S. Kar*, Inorg. Chem2014, 53, 1417.

[167] “Ruthenium Complexes of Tripodal Ligands with Pyridine and Triazole Arms – Subtle Tuning of Thermal, Electrochemical, and Photochemical Reactivity.” F. Weisser, S. Hohloch, S. Plebst, D. Schweinfurth and B. Sarkar*, Chem. Eur. J. 2014, 20, 781 (highlighted on inside front cover).

 

[166] “Tuning the Electronic Properties in Ruthenium-Quinone Complexes through Metal Coordination and Substitution at the Bridge.” H. S. Das, D. Schweinfurth, J. Fiedler, M. M. Khusniyarov, S. M. Mobin and B. Sarkar*, Chem. Eur. J. 2014, 20, 4334.

 

[165] “The redox series [Ru(bpy)2(L)]n, n = +3, +2, +1, 0, with L = bipyridine, “click” derived pyridyl-triazole or bis-triazole: A combined structural, electrochemical, spectroelectrochemical and DFT investigation.” S. Hohloch, D. Schweinfurth, M. G. Sommer, F. Weisser, N. Deibel, F. Ehret and B. Sarkar*, Dalton Trans. 2014, 43, 4437 (New Talent Europe Themed Issue).

 

[164] “Spectroelectrochemical investigation of Bu4N[Fe(CO)3(NO)] (TBAFe): identification of a reversible EC-mechanism.” F. Weisser, J. E. M. N. Klein, B. Sarkar* and B. Plietker*, Dalton Trans2014, 43, 883.

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[163] “Arene-Ru(II) and -Ir(III) Complexes with “Click” Based Pyridyl-Triazoles, Bis-Triazoles and Chelating Abnormal Carbenes: Applications in Catalytic Transfer Hydrogenation of Nitrobenzene.” S. Hohloch, L. Suntrup and B. Sarkar*, Organometallics2013, 32, 7376.

[162] “Electrochromic Pt(II) Complexes Derived from Azobenzene and Zwitterionic Quinonoid Ligands: Electronic and Geometric Structures.” N. Deibel, S. Hohloch, M. G. Sommer, D. Schweinfurth, F. Ehret, P. Braunstein and B. Sarkar*,Organometallics2013, 32, 7366.

 

[161] “Non-Innocence of 1,4-Dicyanamidobenzene Bridging Ligands in Dinuclear Ruthenium Complexes.” M. Choudhuri, W. Kaim, B. Sarkar and R. Crutchley, Inorg. Chem., 2013, 52, 11060.

[160] “Trinuclear diamagnetic nickel(II) complexes bridged by 3-arylpyrazolato ligands.” K. S. M. Salih S. Bergner, H. Kelm, Y. Sun, A. Grün, Y. Schmitt, R. Schoch, M. Busch, N. Deibel, S. Bräse, B. Sarkar, M. Bauer, M. Gerhards, and W. R. Thiel, Eur. J. Inorg. Chem., 2013, 6049.

[159] “Redoxactive Triazolium-derived Ligands in Nucleophilic Fe-catalysis – Reactivity Profile and Development of a Regioselective O-allylation.” J. E. M. N. Klein, M. S. Holzwarth, S. Hohloch, B. Sarkar* and B. Plietker*, Eur. J. Org. Chem., 2013, 6310.

 

[158] “Heterobimetallic Cu-dppf (dppf = 1, 1´-Bis(Diphenylphosphino) Ferrocene) Complexes with “Click” Derived Ligands: A Combined Structural, Electrochemical, Spectroelectrochemical and Theoretical Study.” D. Schweinfurth, N. Büttner, S. Hohloch, N. Deibel, J. Klein and B. Sarkar*, Organometallics, 2013, 32, 5834 (invited article for the special issue „Ferrocene: Beauty and Function“).

 

[157] “Tuning Spin-Spin Coupling in Quinonoid-Bridged Dicopper(II) Complexes with Rational Bridge Variation.” D. Schweinfurth, M. M. Khusniyarov*, D. Bubrin, S. Hohloch, C.-Y. Su and B. Sarkar*, Inorg. Chem., 2013, 52, 10332.

 

[156] “Tuning Oxyquinolate Non-Innocence at the Ruthenium Polypyridine Core.” H. C. Zhao, Y.-T. Huang, D. Schweinfurth, J. T. Harney, B. Sarkar, M. Kang-Tsai and J. Rochford, Eur. J. Inorg. Chem., 2013, 4410.

 

[156] “Tuning Oxyquinolate Non-Innocence at the Ruthenium Polypyridine Core.” H. C. Zhao, Y.-T. Huang, D. Schweinfurth, J. T. Harney, B. Sarkar, M. Kang-Tsai and J. Rochford, Eur. J. Inorg. Chem., 2013, ASAP.

 

[155] “Activating azides and alkynes for the „Click“ reaction with [Cu(aNHC)2I] or [Cu(aNHC)2]+ (aNHC = Triazole Derived Abnormal Carbenes): Structural Characterization and Catalytic Properties.” S. Hohloch, D. Scheiffele and B. Sarkar*, Eur. J. Inorg. Chem., 2013, 3956 (invited article for a special issue “Small Molecule Activation with Reactive Metal Complexes”).

 

[154] “Electronic Structures of Octahedral Ni(II) Complexes with “Click” Derived Triazole Ligands: A Combined Structural, Magnetometric, Spectroscopic, and Theoretical Study.” D. Schweinfurth, J. Krzystek*, I. Schapiro, S. Demeshko, J. Klein, J. Telser*, A. Ozarowski, C.-Y. Su, F. Meyer, M. Atanasov*, F. Neese* and B. Sarkar*, Inorg. Chem., 2013, 52, 6880.

 

[153] “Abnormal Carbenes Derived from the 1,5-Cycloaddition Product Between Azides and Alkynes: Structural Characterization of Pd(II) Complexes and their Catalytic Properties.” S. Hohloch, W. Frey, C.-Y. Su and B. Sarkar*, Dalton Trans., 2013, 42, 11355 (selected as hot article, highlighted on inside front cover).

 

[152] “Four-Center Oxidation State Combinations and Near-Infrared Absorptions in [Ru(pap)Q2]n (Q = 3,5-Di-tert-Butyl-N-aryl-1,2-benzoquinonemonoimine, pap = 2-Phenylazopyridine).” D. Das, H. Agarwala, A. Dutta Chowdhury, T. Patra, S. M. Mobin, B. Sarkar, W. Kaim and G. K. Lahiri, Chem. Eur. J.,2013, 19, 7384.

 

[151] “Substituent-Induced Reactivity in Quinonoid-Bridged Dinuclear Complexes: Comparison Between the Ruthenium and Osmium Systems.” M. G. Sommer, D. Schweinfurth, F. Weisser, S. Hohloch and B. Sarkar*, Organometallics, 2013, 32, 2069.

 

[150] “Influencing the coordination mode of tbta (tbta = tris[(1-benzyl-1H-1,2,3-triazol-4-yl)methyl]amine) in dicobalt complexes through changes in metal oxidation states.” D. Schweinfurth, J. Klein, S. Hohloch, S. Dechert, S. Demeshko, F. Meyer and B. Sarkar*, Dalton Trans., 2013, 42, 6944.

 

[149] “Reduction and Protonation of Mo(IV) Imido Complexes with depe Coligands: Generation and Reactivity of a S = ½ Mo(III) Alkylnitrene Intermediate.” A. Dreher, S. Meyer, C. Näther, A. Westphal, H. Broda, B. Sarkar, W. Kaim, P. Kurz and F. Tuczek, Inorg. Chem., 2013, 52, 2335.

 

[148] “Straightforward Approach to Efficient Oxidative DNA Cleaving Agents Based on Cu(II) Complexes of Heterosubstituted Cyclen.” J. Hormann, C. Perera, N. Deibel, D. Lentz, B. Sarkar and N. Kulak, Dalton Trans., 2013, 42, 4357.

 

[147] “Are Cu(I)-Abnormal NHC Carbenes Associated with Nitrogen Additives the Best Cu-Carbene Catalysts for the Azide-Alkyne Click Reaction in Solution? A Case Study.” S. Hohloch, B. Sarkar*, L. Nauton, F. Cisnetti and A. Gautier*, Tetrahedron Letters, 2013, 54, 1808.

 

[146] “Mixed-valency of a 5d Element: The Osmium Example.” W. Kaim* and B. Sarkar*, Coord. Chem. Rev., 2013, 257, 1650.

 

[145] “Selective Catalytic Oxidation of C-H Bonds with Molecular Oxygen.” S. Laschat, E. Roduner, W. Kaim, B. Sarkar, V. B. Urlacher, J. Pleiss, R. Gläser, W.-B. Einicke, G. Sprenger, U. Beifuß, E. Klemm, C. Liebner, H. Hieronymus, S.-F. Hsu and B. Plietker, Chem. Cat. Chem. 2013, 5, 82.

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[144] “Strong Metal-Metal Coupling in Mixed-Valent Intermediates [Cl(L)Ru(μ-tppz)Ru(L)Cl]+, L = β-Diketonato Ligands, tppz = 2,3,5,6-tetrakis(2-pyridyl)-pyrazine.” T. Kundu, D. Schweinfurth, B. Sarkar, T. K. Mondal, J. Fiedler, S. M. Mobin, V. G. Puranik, W. Kaim and G. K. Lahiri, Dalton Trans. 2012, 41, 13429.

 

[143] “Nickel Complexes with “Click” Derived Pyridyl-Triazole Ligands: Weak Intermolecular Interactions and Catalytic Ethylene Oligomerisation.” D. Schweinfurth, C.-Y. Su, S.-C. Wei, P. Braunstein and B. Sarkar*, Dalton Trans., 2012, 41, 12984

 

[142] “Charged but Found “Not Guilty”: Innocence of the Suspect Bridging Ligands [RO(O)CNNC(O)OR]2- = L2- in [(acac)2Ru(μ-L)Ru(acac)2]n, n = +,0,-,2-". S. Roy, B. Sarkar, H.-G. Imrich, J. Fiedler, S. Zalis, R. Jimenez-Aparicio, F. Urbanos, S. M. Mobin, G. K. Lahiri and W. Kaim, Inorg. Chem. 2012, 51, 9273

 

[141] “Metal(IV) Complexes [M(LO,N,S)2]n M = Ru or Os of a Redox-Active o-Amidophenolate Ligand (LN,O,S)2- with Coordinating Thioether Appendix.” R. Hübner, B. Sarkar, J. Fiedler, S. Zalis and W. Kaim, Eur. J. Inorg. Chem. 2012, 3569.

 

[140] “Capped-tetrahedrally Coordinated Fe(II) and Co(II) Complexes Using a “Click” Derived Tripodal Ligand: Geometric and Electronic Structures.” D. Schweinfurth, S. Demeshko, M. M. Khusniyarov, S. Dechert, V. Gurram, M. R. Buchmeiser, F. Meyer and B. Sarkar*, Inorg. Chem. 2012, 51, 7592.

 

[139] “UV-vis-NIR and EPR Characterization of the Redox Series [MQ3]2+,+,0,-,2-, M = Ru or Os, and Q = o-Quinone Derivative.” A. K. Das, R. Hübner, B. Sarkar, J. Fiedler, S. Zalis, G. K. Lahiri, W. Kaim, Dalton Trans. 2012, 41, 8913.

 

[138] “Paramagnetic Palladacycles with PdIII Centers are Highly Active Catalysts for Asymmetric Aza-Claisen Rearrangements.” S. H. Eitel, M. Bauer*, D. Schweinfurth, N. Deibel, B. Sarkar*, H. Kelm, H.-J. Krüger*, W. Frey and R. Peters*, J. Amer. Chem. Soc. 2012, 134, 4683.

 

[137] 1H NMR, Electron Paramagnetic Resonance and Density Functional Theory Study of Dinuclear Pentaammineruthenium Dicyanamidobenzene Complexes.” M. L. Naklicki, S. I. Gorelsky, W. Kaim, B. Sarkar and R. J. Crutchley, Inorg. Chem. 2012, 51, 1400.

 

[136] “Synthesis, Structure and Electronic Properties of RuN6 Dinuclear Ru-Hbpp Complexes.” S. Roeser, M. H. Ertem, C. Cady, R. Lomoth, J. Benet-Buchholz, L- Hammerström, B. Sarkar, W. Kaim, C. J. Cramer and A. Llobet, Inorg. Chem. 2012, 51, 320.

 

[135] “Ruthenium Hydride Complexes Derived from Zwitterionic Quinonoid Ligands: Isomer Separation, Sructural Properties, Electrochemistry and Catalysis.” S. Hohloch, P. Braunstein and B. Sarkar*, Eur. J. Inorg. Chem. 2012, 546 (invited article for a special issue ‘Cooperative and Redox Non-Innocent Ligands).

 

[134] “Donor-Acceptor Systems of Pt(II) and Redox-Induced Reactivity Towards Small Molecules.” N. Deibel, D. Schweinfurth, S. Hohloch, J. Fiedler and B. Sarkar*, Chem. Commun. 2012, 48, 2388. (highlighted on inside front cover)

 

[133] “Characterization of [Pd(pap)(NHC)I2]n (n = +1, 0, -1; pap = Phenylazopyridine; NHC = N-Heterocyclic Carbene): Unusual Coordination Mode of pap and Non-innocent Behavior of NHC.” N. Deibel, D. Schweinfurth, S. Hohloch and B. Sarkar*, Inorg. Chim. Acta 2012, 380, 269 (young investigator issue).

 

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[132] "Digging deeper: A tribute to Wolfgang Kaim on his 60th birthday" B.Sarkar and R.F. Winter, Inorg. Chim. Acta, 374, 1.

[131] “'Mit Klick zu neuen Liganden” D. Schweinfurth, N. Deibel, F. Weisser and B. Sarkar*, Nach. aus der Chem. 2011, 59, 937.

[130] “Bis(acetylacetonato) Ruthenium Complexes of Non-Innocent 1,2-Dioxolene Ligands: Qualitatively Different Bonding in Relation to Monoimino and Diimino Analogues.” D. Das, B. Sarkar, D. Kumbhakar, T. K. Mondal, S. M. Mobin, J. Fiedler, F. A. Urbanos, R. J.-Aparicio, W. Kaim and G. K. Lahiri, Chem.- Eur. J. 2011, 17, 11030.

[129] “Isomeric Separation in Donor-Acceptor Systems of Pd(II) and Pt(II) and a Combined Structural, Electrochemical and Spectroelectrochemical Study.” N. Deibel, D. Schweinfurth, J. Fiedler, S. Zalis and B. Sarkar*, Dalton Trans. 2011, 40, 9925.

[128] “Tuning of Spin Distribution between Ligand-based and Metal-based: EPR of Mixed-Ligand Molybdenum Trisdithiolene Complex Anions.” U. Fekl, B. Sarkar, W. Kaim, M. Zimmer-De lullis and N. Nguyen, Inorg. Chem. 2011, 50, 8685

[127] “Oxidation State Analysis of a Four-Component Redox Series [Os(pap)2(Q)]n Involving Two Different Non-Innocent Ligands on a Redox-Active Transition Metal.” D. Das, B. Sarkar, T. K. Mondal, S. M. Mobin, J. Fiedler, W. Kaim and G. K. Lahiri, Inorg. Chem. 2011, 50, 7090.

[126] “Valence and Spin Situations in Isomeric [(bpy)Ru(Q´)2]n+ (Q´= 3,5-di-tert-butyl-N-aryl-1,2-benzoquinonemonoimine)- An Experimental and DFT Analysis.” D. Das, T. K. Mondal, A. D. Chowdhury, F. Weisser, D. Schweinfurth, B. Sarkar, S. M. Mobin, F. A. Urbanos, R. Jemenez-Aparicio and G. K. Lahiri, Dalton Trans. 2011, 40, 8377.

[125] “Sensing External Spins with Nitrogen-Vacancy Diamond.” B. Grotz, J. Beck, P. Neumann, B. Naydenov, R. Reuter, F. Reinhard, F. Jelezko, J. Wrachtrup, D. Schweinfurth, B. Sarkar and P. Hemmer, New Journal of Physics 2011, 13, 1.

[124] “Expanding the Scope of ‘Click’ Derived 1,2,3-Triazole Ligands: New Palladium and Platinum Complexes.” D. Schweinfurth, S. Strobel and B. Sarkar*, Inorg. Chim. Acta 2011, 374, 253 (special issue dedicated to Prof. Dr. W. Kaim).

[123] “Cobalt Complexes with “Click”-Derived Functional Tripodal Ligands: Spin Crossover and Coordination Ambivalence.” D. Schweinfurth, F. Weisser, D. Bubrin, L. Bogani* and B. Sarkar*, Inorg. Chem. 2011, 50, 6114.

[122] “Copper(I) Complexes of Normal and Abnormal Carbenes and their use as Catalysts for the Huisgen [3+2] Cycloaddition between Azides and Alkynes.” S. Hohloch, C.-Y. Su and B. Sarkar*, Eur. J. Inorg. Chem. 2011, 3067.

[121] “Furan-Decorated Neutral Re(I)-Based 2D Rectangle and 3D Trigonal Prism.” D. Gupta, T. Rajakannu, B. Shankar, R. Shanmugam, F. Hussain, B. Sarkar and M. Sathiyendiran, Dalton Trans. 2011, 40, 5433..

[120] “EPR and 1H NMR Spectroscopy and DFT Study of Pentaammineruthenium(III) phenylcyanamide Complexes.” L. Mahmoud, S. I. Gorelsky, W. Kaim, B. Sarkar and R. J. Crutchley, Inorg. Chim. Acta 2011, 374, 143.

[119] “Redox-Rich Spin-Spin-Coupled Semiquinoneruthenium Dimers with Intense Near-IR Absorptions.” T. Kundu, B. Sarkar, T. K. Mondal, S. M. Mobin, F. A. Urbanos, J. Fiedler, R. J.-Aparicio, W. Kaim and G. K. Lahiri, Inorg. Chem. 2011, 50, 4753.

[118] “Invariant Oxidation State of Copper but not of Ruthenium in Complexes with Non-innocent N-(2-methyl-5,8-dioxo-5,8-dihydroquinolin-7-yl)acetamide: A Combined Structural, Electrochemical and Spectroelectrochemical Investigation.” A. Paretzki, H. S. Das, F. Weisser, T. Scherer, D. Bubrin, J. Fiedler, J. E. Nycx and B. Sarkar*, Eur. J. Inorg. Chem. 2011, 2413.

[117] “Copper(I) Chelation by Tetradentate NSSN Donor Ligands: Reversible Oxidation but no Oxygenation.” J. Schnödt, M. Sieger, B. Sarkar, J. Fiedler, J. S. Manzur, C.-Y. Su and W. Kaim, Z. Anorg. Allg. Chem. 2011, 637, 930.

[116] “Reversible Intramolecular Single-electron Oxidative Addition Involving a Hemilabile Non-Innocent Ligand.” R Hübner, S. Weber, S. Strobel, B. Sarkar, S. Zalis and W. Kaim, Organometallics 2011, 30, 1414.

[115] “Molecular and Electronic Structure of Cyclo[10]Thiophene in Various Oxidation States: Polaron Pair versus Bipolaron.” F. Zhang, G. Götz, E. M.-Osteritz, M. Weil, B. Sarkar, W. Kaim and P. Bäuerle, Chem. Sci. 2011, 2, 781.

[114] “Synthesis and characterisation of novel manganese guanidine complexes and their application in the epoxidation of 1-octene.” R. Wortmann, U. Flörke, B. Sarkar, V. Umamaheshwari, G. Gescheidt, S. Herres-Pawlis, G. Henkel, Eur. J. Inorg. Chem. 2011, 121.

[113] “One-pot Synthesis of Symmetric und Asymmetric p-Quinone Ligands and Unprecedented Substituent Induced Reactivity in their Dinuclear Ruthenium Complexes.” D. Schweinfurth, H. S. Das, F. Weisser, D. Bubrin and B. Sarkar*, Inorg. Chem. 2011, 50, 1150.

[112] “2,3-Bis(1-Methylimidazol-2-yl)Quinoxaline (bmiq), A New Ligand with Decoupled Electron Transfer and Metal Coordination Sites: The Very Different Redox Behavior of Isoelectronic Complexes with [PtCl2] and [AuCl2].” E. Bulak, T Varnali, B. Schwederski, B. Sarkar, I Hartenbach, J. Fiedler and W. Kaim, Dalton Trans. 2011, 40, 2757.

[111] “‘Double Redox-Activity’ in Azobenzene-Quinonoid Palladium(II) Complexes : A Combined Structural, Electrochemical and Spectroscopic Study.” N. Deibel, D. Schweinfurth, R. Huebner, P. Braunstein* and B. Sarkar*, Dalton Trans. 2011, 40, 431.

[110] “Energy Level Tailoring in a Series of Redox-Rich Quinonoid-Bridged Diruthenium Complexes Containing tmpa [tmpa = tris(2-pyridylmethyl) amine] as a Co-ligand .” F. Weisser, R. Huebner, D. Schweinfurth and B. Sarkar*, Chem. Eur. J. 2011, 17, 5727.

[109] “Thermally Induced Crystal-to-Crystal Transformations Accompanied by Changes in the Magnetic Properties of a CuII-p-hydroquinonate Polymer.” N. H. Phan, I. Halasz, I. Opahle, E. Alig, L. Fink, J. W. Bats, P. T. Cong, H.-W. Lerner, B. Sarkar, B. Wolf, H. O. Jeschke, M. Lang, R. Valenti, R. Dinnebier and M. Wagner, CrystEngComm 2011, 13, 391.

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[108] “A Cobaltciunium Complex of Dibenzo[c,g]fluorenide and its Structural and Electrochemical Properties.” F. Pammer, Y. Sun, M. Sieger, J. Fiedler, B. Sarkar, W. R. Thiel, Organometallics 2010, 29, 6165.

[107] “Oxidative Perhydroxylation of [closo-B12H12]2- to the Stable Inorganic Cluster Redox System [B12(OH)12]2-/•-: Experiment and Theory.” N. Van, I. Tiritiris, R. F. Winter, B. Sarkar, P. Singh, C. Duboc, A. M.-Castro, R.-A. Pérez, W. Kaim and T. Schleid, Chem. Eur. J. 2010, 16, 11242.

[106] “Straightforward Synthesis of Substituted p-Quinones: Isolation of a Key Intermediate and Use as a Bridging Ligand in a Diruthenium Complex.” H. S. Das, F. Weisser, D. Schweinfurth, C.-Y. Su, L. Bogani, J. Fiedler, and B. Sarkar*, Chem. Eur. J. 2010, 16, 2977.

[105] “Structure, Electrochemistry and Spectroscopy of a New Diacylhydrazido-Bridged Diruthenium Complex with a Strongly Near-Infrared Absorbing RuIIIRuII Intermediate.” R. Jana, B. Sarkar, D. Bubrin, J. Fiedler and W. Kaim, Inorg. Chem. Commun. 2010, 13, 1160.

[104] “Organoosmium Complexes of Imidazole Containing Chelate Acceptor Ligands.” O. Sarper, B. Sarkar, J. Fiedler, F. Lissner and W. Kaim, Inorg. Chim. Acta 2010, 363, 3070.

[103] “{Ru-NO}6 and {Ru-NO}7 Configurations in [Ru(trpy)(tmp)NO]n+ (trpy = 2,2/:6,2//-terpyridine, tmp = 3,4,7,8-tetramethyl-1,10-phenanthroline): An Experimental and Theoretical Investigation.” P. De, T. K. Mondal, S.M. Mobin, B. Sarkar and G. K. Lahiri, Inorg. Chim. Acta 2010, 363, 2945.

[102] “How to Elucidate and Control the Redox Sequence in Vinylbenzoate and Vinylpyridine Bridged Diruthenium Complexes.” F. Pevny, R. F. Winter, B. Sarkar and S. Zalis, Dalton Trans. 2010, 39, 8000.

[101] “Redox Active Mesoporous Hybrid Materials by In situ Syntheses with Urea-linked Triethoxysilylated Phenothiazines.” Z. Zhou, A. W. Franz, S. Bay, B. Sarkar, A. Seifert, P. Yang, A. Wagener, S. Ernst, M. Pagels, T. J. J. Mueller, and W. R. Thiel, Chem. Asian J. 2010, 5, 2001.

[100] „Synthesis, Structure and Spectroscopic Porperties of the New Lanthanum(III) Fluoride Oxomolybdate(VI) La3FMo4O16.” I. Hartenbach, S. Strobel, Th. Schleid, B. Sarkar, W. Kaim, P. Nockemann, K. Binnemans and P. K. Dorhout, Eur. J. Inorg. Chem. 2010, 1626.

[99] „Carboxylate Tolerance of the Redox-Active Platform [Ru(μ-tppz)Ru]n, where tppz = 2,3,5,6-Tetrakis(2-pyridyl)pyrazine, in the Electron-Transfer Series [(L)ClRu(μ-tppz)RuCl(L)]n, n = +2, +1, 0, -1, -2 with 2-Picolinato, Quinaldato, and 8-Quinolinecarboxylato Ligands (L-).“ T. Kundu, B. Sarkar, T. K. Mondal, J. Fiedler, S. M. Mobin, W. Kaim and G. K. Lahiri, Inorg. Chem. 2010, 49, 6565.

[98] “The 1,4-Diazabutadiene/1,2-Enediamido Non-Innocent Ligand System in the Formation of Iridaheteroarmatic Compounds: Spectroelectrochemistry and Electronic Structure.” W. Kaim, M. Sieger, S. Greulich, B. Sarkar, J. Fiedler and S. Zalis, J. Organomet. Chem. 2010, 695, 1052.

[97] “Mixed-Valency with Cyanide as Terminal Ligands: Diruthenium (III,II) Complexes with the 3,6-Bis(2-Pyridyl)-1,2,4,5-Tetrazine Bridge and Variable Co-ligands (CN- vs. bpy or NH3).” M. M. Vergara, M. E. G. Posse, F. Fagalde, N. E. Katz, J. Fiedler, B. Sarkar, M. Sieger and W. Kaim, Inorg. Chim. Acta 2010, 363, 163.

[96] “Stabilising a Quinonoid-Bridged Dicopper(I) Complex by Use of a dppf (dppf = (diphenylphosphino)ferrocene) Backbone.” A. Paretzki, R. Pattacini, R. Huebner, P. Braunstein* and B. Sarkar*, Chem. Commun. 2010, 46, 1497.

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[95] “The Semiquinone-Ruthenium Combination as a Remarkably Invariant Feature in the Redox and Substitution Series [Ru(Q)n(acac)3-n]m, n = 1-3, m = (2),1,0,+1,(+2), Q = 4,6-Di-tert-butyl-N-phenyl-o-iminobenzoquinone.” D. Das, A. K. Das, B. Sarkar, T. K. Mondal, S. M. Mobin, J. Fiedler, S. Záliš, F. A. Urbanos, R. J-Aparicio, W. Kaim and G. K. Lahiri, Inorg. Chem. 2009, 48, 11853.

[94] “N2•3-: Filling a Gap in the N2n- Series.” W. Kaim* and B. Sarkar*, Angew. Chem. 2009, 121, 9573.

[93] “Six-Membered N-Heterocyclic Carbenes with a 1,1´-Ferrocenediyl Backbone: Bulky Ligands with Strong Electron-Donor Capacity and Unusual Non-innocent Character.” U. Siemeling, C. Färber, M. Leibold, C. Bruhn, P. Mücke, R. F. Winter, B. Sarkar, M. v. Hoffgarten, G. Frenkling, Eur. J. Inorg. Chem. 2009, 4607.

[92] “Nicht unschuldig: chinoide Liganden.” D. Schweinfurth, F. Weisser and B. Sarkar*, Nachrichten aus der Chemie 2009, 57, 862.

[91] “Single Electron-Transfer in Palladium Complexes of 1,4-Naphthoquinone-containing Bis(pyrazol-1-yl) methane Ligands.” S. Scheuermann, B. Sarkar, M. Bolte, J. Bats, H.-W. Lerner and M. Wagner, Inorg. Chem. 2009, 48, 9385.

[90] “Valence Structures of the Diastereomeric Complexes meso- and rac-[Ru2(acac)4(µ-Q)]n (n =2-, -, 0, +, 2+) with the Multiply Quinonoid Bridging Ligand Q = 1,2,4,5-Tetraimino-3,6-diketocyclohexane”. D. Kumbhakar, B. Sarkar, A. Das, A. K. Das, S. M. Mobin, J. Fiedler, W. Kaim and G. K. Lahiri, Dalton Trans. 2009, 9645.

[89] “Charge Delocalization in a Heterobimetallic Ferrocene-(Vinyl)Ru(CO)Cl(PiPr3)2 System”. K. Kowalski, M. Linseis, R. F. Winter, M. Zabel, S. Zalis, H. Kelm, H.-J. Krüger, B. Sarkar, W. Kaim, Organometallics 2009, 28, 4196.

[88] “Carbamate-Linked (Oligo)phenothiazines in Mesoporous Silica by Post Synthetic Grafting: Flouroscent Redox-Active Hybrid Materials.” A. W. Franz, Z. Zhou, R. Turdean, A. Wagener, B. Sarkar, M. Hartmann, S. Ernst, W. R. Thiel, T. J. J. Müller, Eur. J. Org. Chem. 2009, 3895.

[87] “2-Organoselenomethyl-1H-benzimidazole Complexes of Copper(II) and Copper(I)”. M. Leboschka, M. Sieger, B. Sarkar, J. Heck, M. Niemeyer, D. Bubrin, F. Lissner, Th. Schleid, S. Zalis, C.-Y. Su and W. Kaim, Z. All. Anorg. Chem. 2009, 635, 2177.

[86] “1,2,3-Triazoles Through Click Reaction and Their Palladium and Platinum Complexes”. D. Schweinfurth, R. Pattacini, S. Strobel and B. Sarkar*, Dalton Trans. 2009, 9291.

[85] “First Structurally Characterised Mono- and Dinuclear Ruthenium Complexes Derived from Zwitterionic Quinonoid Ligands”. H. S. Das, A. K. Das, R. Pattacini, R. Hübner, B. Sarkar* and P. Braunstein*, Chem. Commun. 2009, 4387.

[84] “A Five-Center Redox System: Molecular Coupling of Two Non-Innocent Imino-o-benzoquinonato-Ruthenium Functions through a π-Acceptor Bridge”. A. K. Das, B. Sarkar, J. Fiedler, S. Záliš, I. Hartenbach, S. Strobel, G. K. Lahiri, W. Kaim, J. Am. Chem. Soc. 2009, 131, 8895.

[83] “Stabilization of {RuNO}6 and {RuNO}7 States in [RuII(trpy)(bik)(NO)]n+ (trpy = 2,2/:6/,2//-Terpyridine, bik = 2,2/-Bis(1-methylimidazolyl)ketone). Synthesis, Reactivity and Photorelease of Metal Bound Nitrosyl“. P. De, B. Sarkar, S. Maji, A. K. Das, E. Bulak, S. M. Mobin, W. Kaim and G. K. Lahiri, Eur. J. Inorg. Chem. 2009, 2702.

[82] “Combining Two Non-Innocent Ligands in Isomeric Complexes [Pt(pap)mQn]0 (pap = Phenylazopyridine, Q = 3,5-Di-tert-butyl-benzoquinone)”. B. Sarkar*, R. Hübner, R. Pattacini and I. Hartenbach, Dalton Trans., 2009, 4653.

[81] “An Isolated Odd-Electron Complex [Ruk(NOm)(Qn)(terpy)]2+ with the Two Prototypical Non-Innocent Ligands Nitrosyl and Q = 4,6-Di-tert-butyl-N-phenyl-o-iminobenzoquinone”. A. K. Das, B. Sarkar, C. Duboc, S. Strobel, J. Fiedler, S. Záliš, G. K. Lahiri and W. Kaim, Angew. Chem. 2009, 121, 4306.

[80] “Silver(I), Copper(I) and Copper(II) Complex of the New N,Se-Chelate Ligand 2-Phenylselenomethyl-1H-benzimidazole: Electrochemistry and Structure”. M. Leboschka, M. Sieger, B. Sarkar, M. Niemeyer, T. Schurr, J. Fiedler, S. Záliš, and W. Kaim, Z. Allg. Anorg. Chem. 2009, 635, 1001.

[79] “Heterohexanuclear (Cu3Fe3) Complexes of Substituted Hexaazatrinaphthylene (HATN) Ligands: Twofold BF4- Association in the Solid and Stepwise Oxidation (3e-) or Reduction (2e-) to Spectroelectrochemically Characterized Species”. S. Roy, B. Sarkar, C. Duboc, J. Fiedler, O. Sarper, F. Lissner, S. M. Mobin, G. K. Lahiri and W. Kaim, Chem. Eur. J. 2009, 15, 6932.

[78] “Evidence for the dimer-of-(mixed-valent dimers) configuration in tetranuclear {(μ4-TCNX)[Ru(NH3)5]4}8+, TCNX = TCNE and TCNQ, from DFT calculations”. S. Zalis, B. Sarkar, C. Duboc and W. Kaim, Monatsh. Chem. 2009, 140, 765.

[77] “Structures, Redox and Spectroscopic Properties of PdII and PtII Complexes containing the Azo Functionality”. S. Roy, I. Hartenbach and B. Sarkar*, Eur. J. Inorg. Chem. 2009, 2553.

[76] “Synthesis of Bis(Phosphino-ferrocenyl) Copper Complexes from Zwitterionic Quinonoid Ligands, their Structural and Redox Properties”. P. Braunstein*, D. Bubrin, and B. Sarkar*, Inorg. Chem. 2009, 48, 2534.

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[75] “Intramolecular Valence and Spin Interaction in rac and meso Diastereomers of a p-Quinonoid Bridged Diruthenium Complex”. D. Kumbhakar, B. Sarkar, S. Maji, S. M. Mobin, J. Fiedler, F. A. Urbanos, R. J.-Aparicio, W. Kaim and G. K. Lahiri, J. Am. Chem. Soc. 2008, 130, 17575.

[74] “Stabilizing the Elusive ortho-Quinone/Copper(I) Oxidation State Combination through π–π Interaction in an Isolated Complex”. S. Roy, B. Sarkar, D. Bubrin, M. Niemeyer, S. Zalis, G.K. Lahiri and W. Kaim, J. Am. Chem. Soc. 2008, 130, 15230.

[73] “Structural and Spectroscopic Evidence for Marginal Metal-to-Ligand Charge Transfer in Complexes Pt(abpy)Me3X, abpy = 2,2’-Azobispyridine, X = Cl,Br,I”. A. Dogan, C. Kavakli, M. Sieger, M. Niemeyer, B. Sarkar and W. Kaim, Z. Anorg. Allg. Chem., 2008, 634, 2527.

[72] “Valence State Analysis via Spectroelectrochemistry in Differently Quinonoid Bridged Diruthenium Complexes [(acac)2Ru(µ-L)Ru(acac)2]n+ (n = +2, +1, 0, 1, 2)”. S. Ghumaan, B. Sarkar, S. Maji, V. G. Puranik, J. Fiedler, F. A. Urbanos, R. J.Aparicio, W. Kaim and G. K. Lahiri, Chem. Eur. J. 2008, 14, 10816.

[71] “A tetranuclear organorhenium(I) complex of the 2,3,5,6-tetrafluoro-7,7,8,8-tetracyano-p-quinodimethane radical anion, TCNQF4•-“. A. N. Maity, B. Sarkar, M. Niemeyer, M. Sieger, C. Duboc, S. Záliš and W. Kaim, Dalton Trans. 2008, 5749.

[70] “Ligand centered oxidations and electron delocalization in a tetranuclear complex of a tetradonor-substituted olefin”. M. Linseis, R.F. Winter, B. Sarkar, W. Kaim and S. Zalis, Organometallics 2008, 27, 3321.

[69] “Establishing the Chelating α-Azocarbonyl Function in π-Acceptor Ligands”. S. Roy, M. Sieger, B. Sarkar, B. Schwederski, F. Lissner, T. Schleid, J. Fiedler and W. Kaim, Angew. Chem. 2008, 120, 6287.

[68] “High-frequency EPR and structure data as complementary information on stable radical complexes containing the semi-reduced azo function”. B. Sarkar, S. Frantz, S. Roy, M. Sieger, C. Duboc, G. Denninger, H.-J. Kümmerer and W. Kaim, J. Mol. Struc. 2008, 890, 133.

[67] “1,4,7,10 – Tetraazacyclododecane Metal Complexes as Potent Promoters of Phosphodiester Hydrolysis under Physiological Conditions”. M. Subat, K. Woinaroschy, C. Gerstl, B. Sarkar, W. Kaim and B. König, Inorg. Chem., 2008, 47, 4661.

[66] “Mixed-valent intermediates as ideal targets for spectroelectrochemistry (SEC)”. W. Kaim, B. Sarkar and G. K. Lahiri, in W. Kaim and A. Klein, Eds. Spectroelectrochemistry, RSC 2008, pp 68-90.

[65] “Valence State Alternatives in Diastereoisomeric Complexes [(acac)2Ru(µ-QL)Ru(acac)2]n (QL2- = 1,4-Dioxido-9,10-anthraquinone, n = +2,+1,0,-1,-2)”. S. Maji, B. Sarkar, S. M. Mobin, J. Fiedler, F. A. Urbanos, R. J.-Aparicio, W. Kaim, and G. K. Lahiri, Inorg. Chem. 2008, 47, 5204.

[64] “Redox Properties of Ruthenium Nitrosyl Porphyrin Complexes with Different Axial Ligation: Structural, Spectroelectrochemical (IR, UV-VIS, EPR) and Theoretical Studies”. P. Singh, A. K. Das, B. Sarkar, M. Niemeyer, F. Roncaroli, J. A. Olabe, J. Fiedler, S. Záliš and W. Kaim, Inorg. Chem. 2008, 47, 7106.

[63] “Formation, Reactivity and Photorelease of Metal Bound Nitrosyl in [Ru(trpy)(L)(NO)]n+ (trpy = 2,2/:6/,2//-Terpyridine, L = 2-Phenylimidazo[4,5-f]1,10-phenanthroline)”. S. Maji, B. Sarkar, M. Patra, A. K. Das, S. M. Mobin, W. Kaim and G. K. Lahiri, Inorg. Chem. 2008, 47, 3218.

[62] “Mixed-Valent Metals Bridged by a Radical Ligand: Fact, or Fiction Based on Structure-Oxidation State Correlations”. B. Sarkar, S. Patra, J. Fiedler, R. B. Sunoj, D. Janardanan, G. K. Lahiri, W. Kaim, J. Am. Chem. Soc. 2008, 130, 3532.

[61] “A Series of Metal Complexes with the Non-Innocent N,N’-Bis(pentafluorophenyl)-o-phenylenediamido Ligand: Twisted Geometry for Tuning the Electronic Structure”. M. M. Khusniyarov, K. Harms, O. Burghaus, J. Sundermeyer, B. Sarkar, W. Kaim, J. van Slageren, C. Duboc, and J. Fiedler, Dalton Trans. 2008, 1355.

[60] “Double cyclometallation of bridging 3,6-bis(2-thienyl)-1,2,4,5-tetrazine in a dinuclear mesityl(dimethylsulfoxide)platinum(II) complex: Structure and properties”. B. Sarkar, T. Schurr, I. Hartenbach, Th. Schleid, J. Fiedler and W. Kaim, J. Organomet. Chem. 2008, 693, 1703.

[59] “Structures and Redox Properties of Metal Complexes of the Electron-Deficient Diphosphine Chelate Ligand R,R-QuinoxP”. A. K. Das, E. Bulak, B. Sarkar, F. Lissner, Th. Schleid, M. Niemeyer, J. Fiedler and W. Kaim, Organometallics 2008, 27, 218.

[58] “Ruthenium Complexes with Vinyl, Styryl and Vinylpyrenyl Ligands: A Case of Non-Innocence in Organometallic Chemistry”. J. Maurer, M. Linseis, B. Sarkar, B. Schwederski, M. Niemeyer, W. Kaim, S. Zalis, C. Anson, M. Zabel and R. F. Winter, J. Am. Chem. Soc. 2008, 130, 259.

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[57] “Coordination Alternatives in Dinuclear Bis(pyridine-2-ylalkyl)benzylaminecopper(II) Complexes with OH-, RO-,F- or Cl- Bridges: Experimental Structures and DFT Preferences”. J. Manzur, A. Vega, A.M. García, C. Acuña, M. Sieger, B. Sarkar, M. Niemeyer, F. Lissner, Th. Schleid and W. Kaim, Eur. J. Inorg. Chem. 2007, 5500.

[56] “Singlet Diradical Complexes of Chromium, Molybdenum and Tungsten with Azo Anion Radical Ligands from M(CO)6 Precursors”. A. Sanyal, S. Chatterjee, A. Castiñeiras, B. Sarkar, P. Singh, J. Fiedler, S. Záliš, W. Kaim and S. Goswami, Inorg. Chem. 2007, 46, 8584.

[55] “Towards New Organometallic Wires? Tetraruthenium Complexes Bridged by Phenylenevinylene and Vinylpyridine Ligands”. J. Maurer, B. Sarkar, W. Kaim, R.F. Winter and S. Zalis, Chem. Eur. J. 2007, 13, 10257.

[54] “Tetranuclear Complexes of [Fe(CO)2(C5H5)]+ with the TCNX Ligands (TCNX = TCNE, TCNQ, TCNB): Intramolecular Electron Transfer Alternatives in Compounds (µ4-TCNX)[MLn]4”. A. Maity, B. Schwederski, B. Sarkar, S. Záliš, J. Fiedler, S. Kar, G.K. Lahiri, C. Duboc, M. Grunert, P. Gütlich and W. Kaim, Inorg. Chem. 2007, 46, 7312.

[53] “On the redox states of ruthenium porphyrin oxidation catalysts”. A. Berkessel, E. Ertürk, P. Kaiser, A. Klein, R. M. Kowalczyk and B. Sarkar, Dalton Trans. 2007, 3427.

[52] “The Electrochemical Behaviour of Organonickel Complexes: Mono-, Di- and Trivalent Nickel”. A. Klein, A. Kaiser, B. Sarkar, M. Wanner and J. Fiedler, Eur. J. Inorg. Chem. 2007, 965.

[51] “Multiple one-electron oxidation and reduction of trinuclear bis(2,4-pentanedionato)ruthenium complexes with substituted diquinoxalino[2,3-a:2′,3′-c]phenazine ligands”. S. Ghumaan, B. Sarkar, M.P. Patil, J. Fiedler, R.B. Sunoj, W. Kaim and G.K. Lahiri, Polyhedron 2007, 26, 3409.

[50] “Mixed valency in ruthenium complexes—Coordinative aspects”. W. Kaim and B. Sarkar, Coord. Chem. Rev. 2007, 251, 584.

[49] “Non-innocent behaviour of ancillary and bridging ligands in homovalent and mixed-valent ruthenium complexes [A2Ru(µ-L)RuA2]n, A = 2,4-pentanedionato or 2-phenylazopyridine, L2– = 2,5-bis(2-oxidophenyl)pyrazine”. S. Maji, B. Sarkar, S.M. Mobin, J. Fiedler, W. Kaim and G.K. Lahiri, Dalton Trans. 2007, 2411.

[48] “Ancillary ligand determination of the spin location in both oxidised and reduced forms of diruthenium complexes bridged by bis-bidentate 1,4-bis(2-phenolato)-1,4-diazabutadiene”. S. Kar, B. Sarkar, S. Ghumaan, M. Leboschka, J. Fiedler, W. Kaim and G.K. Lahiri, Dalton Trans. 2007, 1934.

[47] “Probing Mixed Valence in a New tppz-Bridged Diruthenium(III,II) Complex {( -tppz)[Ru(bik)Cl]2}3+ (tppz = 2,3,5,6-Tetrakis(2-pyridyl)pyrazine, bik = 2,2'-Bis(1-methylimidazolyl)ketone): EPR Silence, Intervalence Absorption, and CO Line Broadening”. M. Koley, B. Sarkar, S. Ghumaan, E. Bulak, J. Fiedler, W. Kaim and G.K. Lahiri, Inorg. Chem. 2007, 46, 3736.

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[46] “Divinylphenylene-Bridged Diruthenium Complexes Bearing Ru(CO)Cl(PiPr3)2 Entities”. J. Maurer, B. Sarkar, B. Schwederski, W. Kaim, R.F. Winter and S. Zalis, Organometallics 2006, 25, 3701.

[45] “2,2'-Dipyridylketone (dpk) as Ancillary Acceptor and Reporter Ligand in Complexes [(dpk)(Cl)Ru(µ-tppz)Ru(Cl)(dpk)]n+ where tppz = 2,3,5,6-Tetrakis(2-pyridyl)pyrazine”. S. Ghumaan, B. Sarkar, N. Chanda, M. Sieger, J. Fiedler, W. Kaim and G.K. Lahiri, Inorg. Chem. 2006, 45, 7955.

[44] “Conjugation Length Dependent Ground and Excited State Electronic Behavior in Oligothienyl Ru Complexes”. C. Moorlag, B. Sarkar, C. N. Sanrame, P. Bauerle, W. Kaim and M.O. Wolf, Inorg. Chem. 2006, 45, 7044.

[43] “The Metal-NO Interaction in the Redox Systems [Cl5Os(NO)]n-, n = 1-3, and cis-[(bpy)2ClOs(NO)]2+/+: Calculations, Structural, Electrochemical, and Spectroscopic Results”. P. Singh, B. Sarkar, M. Sieger, M. Niemeyer, J. Fiedler, S. Zalis and W. Kaim, Inorg. Chem. 2006, 45, 4602.

[42] “Metal-Induced Reductive Ring Opening of 1,2,4,5-Tetrazines: Three Resulting Coordination Alternatives, Including the New Non-Innocent 1,2-Diiminohydrazido(2-) Bridging Ligand System”. S. Maji, B. Sarkar, S. Patra, J. Fiedler, S.M. Mobin, V.G. Puranik, W. Kaim and G. K. Lahiri, Inorg. Chem. 2006, 45, 1316.

[41] “Controlling metal/ligand/metal oxidation state combinations by ancillary ligand (L): Variation in the redox systems [L2Ru(µ-boptz)RuL2]n, boptz = 3, 6-bis(2-oxidophenyl)-1,2,4,5-tetrazine and L = acac, bpy or pap (2-phenylazopyridine)”. S. Patra, B. Sarkar, S. Maji, J. Fiedler, F. A. Urbanos, R. J.-Aparicio, W. Kaim and G. K. Lahiri, Chem. J. Eur. 2006, 12, 489.

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[40] “Treatment of citrate-capped Au colloids with NaCl, NaBr and Na2SO4: a TEM, EAS and EPR study of the accompanying changes”. M. Wanner, D. Gerthsen, S-S. Jester, B. Sarkar and B. Schwederski, Colloid and Polymer Science 2005, 283, 783.

[39] “Theoretical and experimental evidence for a new kind of spin-coupled singlet species: Isomeric mixed-valent complexes bridged by an anion radical ligand”. B. Sarkar, S. Patra, J. Fiedler, R. Sunoj, D. Janardanan, S. M. Mobin, M. Niemeyer, G. K. Lahiri and W. Kaim, Angew. Chem. 2005, 117, 5800, Angew. Chem. Intl. Ed. 2005, 44, 5655.

[38] “A New Coordination Mode of the Photometric Reagent Glyoxalbis(2-hydroxyanil) (H2gbha): Bis-Bidentate Bridging by gbha2- in the Redox Series {(µ-gbha)[Ru(acac)2]2}n (n = -2, -1, 0, +1, +2), Including a Radical-Bridged Diruthenium(III) and a RuIII/RuIV Intermediate”. S. Kar, B. Sarkar, S. Ghumaan, D. Roy, F: A. Urbanos, J. Fiedler, R. B. Sunoj, R. Jimenez-Aparicio, W. Kaim and G.K. Lahiri, Inorg. Chem. 2005, 44, 8715.

[37] “Complex Series [Ru(trpy)(dpk)(X)]n+ (trpy = 2,2/:6/,2//Terpyridine, dpk = 2,2/Dipyridylketone, X = Cl-, H2O, CH3CN, NO2-, NO+, NO, NO-): Substitution and Electron Transfer, Structure and Spectroscopy”. S. Sarkar, B. Sarkar, N. Chanda, S. Kar, S. M. Mobin, J. Fiedler, W. Kaim and G. K. Lahiri, Inorg. Chem. 2005, 44, 6092.

[36] “Self-assembly of heterobimetallic neutral macrocycles incorporating ferrocene spacer groups: Spectroelectrochemical analysis of the double two-electron oxidation of a molecular rectangle”. N. Das., A. M. Arif, P. J. Stang, M. Sieger, B. Sarkar, W. Kaim and J. Fiedler, Inorg. Chem. 2005, 44, 5798.

[35] “2,5-Dioxido-1,4-benzoquinonediimine (H2L2-), a hydrogen-bonding non-innocent bridging ligand related to aminated topaquinone: Different oxidation state distributions in complexes [{(bpy)2Ru}2(µ-H2L)]n (n = 0,+,2+,3+,4+) and [{(acac)2Ru}2(µ-H2L)]n (n = 2-, -, 0, +, 2+)”. S. Kar, B. Sarkar, S. Ghumaan, D. Janardanan, J. van Slageren, J. Fiedler, V. G. Puranik, R. B. Sunoj, W. Kaim and G. K. Lahiri, Chem. J. Eur. 2005, 11, 4901.

[34] “Electron delocalisation in mixed-valent butadienedienediyl-bridged diruthenium complexes”. J. Maurer, R. F. Winter, B. Sarkar and S. Zális, J. Solid State Electrochem. 2005, 9, 738.

[33] “Mixed-ligand copper complexes with 8-methylthioquinoline and triphenylphosphine or the o-semiquinone/catecholate redox system”. S. Ye, B. Sarkar, M. Niemeyer and W. Kaim, Eur. J. Inorg. Chem. 2005, 4735.

[32] “Three-spin system with a twist: A bis(semiquinonato)copper complex with non-planar copper(II)”. S. Ye, B. Sarkar, F. Lissner, T. Schleid, J. van Slageren, J. Fiedler and W. Kaim, Angew. Chem. 2005, 117, 2140, Angew. Chem. Intl. Ed., 2005, 44, 2103.

[31] “Isomeric ruthenium terpyridine complexes [Ru(trpy)(L)Cl]n+ incorporating tetrazine based ancillary ligand, L = 3-amino-6-(3,5-dimethylpyrazol-1-yl)-1,2,4,5-tetrazine. Synthesis, structures,spectral and electrochemical aspects”. S Patra, B. Sarkar, S. Ghumaan, M. P. Patil, S. M. Mobin, R. B. Sunoj, W. Kaim and G. K. Lahiri, Dalton Trans. 2005, 1188.

[30] “3,6-bis(2´-pyridyl)pyridazine (L) and its deprotonated form (L-H+) as ligands for {(acac)2Run+} and {(bpy)2Rum+}: investigation of mixed valency in [{(acac)2Ru}2(µ-L-H+)]0 and [{(bpy)2Ru}2(µ-L-H+)]4+ spectroelectrochemistry and EPR”. S. Ghumaan, B. Sarkar, S. Patra, J. van Slageren, J. Fiedler, W. Kaim and G. K. Lahiri, Dalton Trans. 2005, 706.

[29] “Sensitive oxidation state ambivalence in the asymmetric three-center (M/Q/M/) systems [(acac)2Ru(µ-Q)Ru(acac)2]n, Q = 1, 10-phenanthroline-5,6-dione or 1, 10-phenanthroline-5,6-diimine; n = +, 0, -, 2-.” S. Ghumaan, B. Sarkar, S. Patra, J. Fiedler, J. van Slageren, W. Kaim and G. K. Lahiri, Inorg. Chem. 2005, 44, 3210.

[28] “The redox series [M(bpy)2(Q)]n+, M = Ru or Os, Q = 3,5-di-tert-butyl-N-phenyl-1,2-benzoquinonemonoimine. Isolation and a complete X and W band EPR study of the semiquinone states (n = 1)”. S. Ye, B. Sarkar, C. Duboc, J. Fiedler and W. Kaim, Inorg. Chem. 2005, 44, 2843.

[27] “Synthesis, structures, spectra and redox properties of RuII(acac)2(L) (1), [RuII(bpy)2(L)](ClO4)2 (2) and [RuII(bpy)(L)2](ClO4)2 (3) (L = 3-amino-6-(3,5-dimethylpyrazol-1-yl)-1,2,4,5-tetrazine, acac = acetylacetonate, bpy = 2,2/ bipyridine)”. A. Nayak, S. Patra, B. Sarkar, S. Ghumaan, V. G. Puranik, W. Kaim and G. K. Lahiri, Polyhedron 2005, 24, 333.

[26] “Chemistry of C-trimethylsilyl-substituted heterocarboranes. 31. New insights into reaction pathways in carborane ligand systems: Synthetic, structural, spectroscopic and electrochemical studies on sandwich and half-sandwich metallacarboranes of iron, cobalt and nickel.” S. Tomlinson, C. Zheng, N.S. Hosmane, J. Yang, Y. Wang, H. Zhang, J.A. Maguire, F. Baumann, A. Klein, B. Sarkar und W. Kaim, Organometallics 2005, 24, 2177.

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[25] “Molecule-bridged mixed-valent intermediates involving the RuI oxidation state”. B. Sarkar, W. Kaim, J. Fiedler and C. Duboc, J. Am. Chem. Soc. 2004, 126, 14706.

[24] “High-frequency EPR study of reduced diruthenium and dirhenium polypyridine complexes based on the 1,2,4,5-tetrazine radical bridge”. B. Sarkar, S. Frantz, W. Kaim and C. Duboc, Dalton Trans. 2004, 3727.

[23] “Pyrrolyl substituted allenylidene complexes of Ruthenium”. S. Hartmann, R. F. Winter, B. Sarkar and F. Lissner, Dalton Trans. 2004, 3273.

[22] “Establishing the NO oxidation state in complexes [Cl5(NO)M]n-, M = Ru or Ir, through experiments and DFT calculations”. M. Sieger, B. Sarkar, S. Zalis, J. Fiedler, N. Escola, F. Doctorovich, J. A. Olabe and W. Kaim, Dalton Trans. 2004, 1797.

[21] "The triruthenium complex [{(acac)2RuII}3(L)] containing a conjugated diquinoxaline[2,3-a:2´,3´-c]phenazine (L) bridge and acetylacetonate (acac) as ancillary ligands. Synthesis, spectroelectrochemical and EPR investigation". S. Patra, B. Sarkar, S. Ghumaan, J. Fiedler, W. Kaim und G.K. Lahiri, Dalton Trans. 2004, 754.

[20] “The redox series {(µ-L)[RuII(acac)2]2}n, n = 2+, +, 0, -, 2-, with L = 3,3',4,4'-tetraimino-3,3',4,4'-tetrahydrobiphenyl. Detection and EPR-supported assignment of near-infrared absorptions for the paramagnetic intermediates by spectroelectrochemistry”. S. Patra, B. Sarkar, S. Ghumaan, J. Fiedler, W. Kaim and G. K. Lahiri, Dalton Trans. 2004, 750.

[19] “Isovalent and mixed-valent diruthenium complexes [(acac)2RuII(µ-bpytz)RuII(acac)2] and [(acac)2RuII(µ-bpytz)RuIII(acac)2](ClO4) (acac = acetylacetonate and bpytz = 3,6-bis-(3,5-dimethylpyrazolyl)-1,2,4,5-tetrazine). Synthesis, spectroelectrochemical and EPR investigation”. S. Patra, B. Sarkar, S. Ghumaan, J. Fiedler, W. Kaim and G. K. Lahiri, Inorg. Chem. 2004, 43, 6108.

[18] “The complex reduction chemistry of (abpy)PtCl2, abpy = 2,2/ - Azobispyridine: Formation of cyclic [(µ,η21-abpy)PtCl]22+ with a new coordination mode for abpy, and a near-infrared ligand-to-ligand intervalence charge transfer absorption of the one-electron reduced state”. A. Dogan, B. Sarkar, A. Klein, F. Lissner, Th. Schleid, J. Fiedler, S. Zalis, V. K. Jain and W. Kaim, Inorg. Chem. 2004, 43, 5973.

[17] “Mixed-valence aspects of complexes [{(L)ClRu}2(µ-tppz)]n+ incorporating 2-(2-pyridyl)azoles (L) as ancillary functions and 2,3,5,6-tetrakis(2-pyridyl)pyrazine (tppz) as bis-tridentate bridging ligand”. N. Chandra, B. Sarkar, J. Fiedler, W. Kaim and G. K. Lahiri, Inorg. Chem. 2004, 43, 5128.

[16] “EPR insensivity of the metal – nitrosyl spin – bearing moiety in complexes [LnRuII-NO]k”. S. Frantz, B. Sarkar, M. Sieger, W. Kaim, F. Roncaroli, J. A. Olabe, and S. Zalis, Eur. J. Inorg. Chem. 2004, 2902.

[15] “Bridge dominated oxidation of a diruthenium 1,3-divinylphenylene complex”. J. Maurer, R.F. Winter, B. Sarkar, J. Fiedler and S. Zalis, Chem. Commun. 2004, 1900.

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[14] “3,6 – Bis(2-pyrazinyl) – 1,2,4,5 – tetrazin : Ein neuer mehrfunktioneller Ligand und sein syn, fac – konfigurierter Bis(tricarbonylchlororhenium) – Komplex”. B. Sarkar, W. Kaim, T. Schleid, I. Hartenbach and J. Fiedler, Z. Anorg. Allg. Chem. 2003, 629, 1347.

[13] “Separating innocence and non-innocence for ligands and metals in complexes [(L)Ru(acac)2]n (n = -1, 0, +1; L = o-Iminoquinone or o-Iminothioquinone)”. S. Patra, B. Sarkar, S.M. Mobin, W. Kaim and G.K. Lahiri, Inorg. Chem., 2003, 42, 6469.

[12] “What a difference ancillary thienyl makes: Tremendous additional stabilisation of the diruthenium(III,II) but not the diosmium(III,II) mixed – valent state in tetrazine ligand – bridged complexes”. B.Sarkar, W.Kaim, A. Klein, B.Schwederski, J. Fiedler, C. Duboc – Toia and G.K. Lahiri, Inorg. Chem. 2003, 42, 6172.

[11] “An unusual dinuclear ruthenium(III) complex with a conjugated bridging ligand derived from cleavage of a 1,4-Dihydro-1,2,4,5-tetrazine ring. Synthesis, structure, and UV-vis-NIR spectroelectrochemical characterisation of a five-membered redox chain incorporating two mixed-valent states”. S. Patra, T.A. Miller, B. Sarkar, M. Niemeyer, M.D. Ward and G.K. Lahiri, Inorg. Chem. 2003, 42, 4707.

[10] “First example of µ3 – sulfido bridged mixed – valent triruthenium complex triangle RuIII2RuII(O,O – acetylacetonate)3(µ-O,O,γ-C – acetylacetonate)33 – S)(1) incorporating simultaneous O,O and γ-C bonded bridging acetylacetonate units. Synthesis, crystal structure and spectral and redox properties”. S. Patra, B. Mondal, B .Sarkar, M. Niemeyer, G.K. Lahiri, Inorg. Chem. 2003, 42, 1322.

[9] “Electron transfer reactions of (C5R5)2(CO)2Ti (R = H or Me) with TCNE or TCNQ. Spectroelectrochemical assigenment of metal and ligand oxidation states in [(C5R5)2(CO)Ti(TCNX)]2-/-/0/+”. H. Hartmann, B. Sarkar, W. Kaim and J. Fiedler, J. Organomet. Chem. 2003, 687, 100.

[8] “Synthesis and mixed valence aspects of [{(L)ClRu}2(µ-tppz)]n+ incorporating 2,2/-dipyridylamine (L) as ancillary and 2,3,5,6-tetrakis(2-pyridyl)pyrazine (tppz) as bridging ligand”. N. Chandra, B. Sarkar, J. Fiedler, W. Kaim and G.K. Lahiri”, Dalton Trans. 2003, 3550.

[7] “Synthesis, mixed valence aspects and non-linear optical properties of the triruthenium complexes [{(bpy)2RuII}3(L)]3+ and [{(phen)2RuII}3(L)]3+ (bpy = 2,2/ - bipyridine, phen = 1, 10-phenanthroline and L3- = 1,3,5-triazine-2,4,6-trithiol)”. S. Kar, T.A. Miller, S. Chakraborty, B. Sarkar, B. Pradhan, T. Kundu, M.D. Ward and G.K. Lahiri, Dalton Trans. 2003, 2591.

[6] “First crystal structure determination and high-frequency EPR study of an Organoarsanecopper radical complex”. S. Ye, W. Kaim, B. Sarkar, B. Schwederski, F. Lissner, T. Schleid, C. Duboc-Toia and J. Fiedler, Inorg. Chem. Commun. 2003, 6, 1196.

[5] “(Allenylidene) ruthenium complexes with redox – active substituents and ligands." S. Hartmann, R.F. Winter, B.M. Brunner, B. Sarkar, A. Knödler, I. Hartenbach, Eur. J. Inorg. Chem. 2003, 876.

[4] “Long-range electronic coupling in various oxidation states of a C-4 linked tris(β-diketonato) ruthenium dimmer”. Y. Hoshino, S. Higuchi, J. Fiedler, C-Y. Su, A. Knödler, B. Schwederski, B. Sarkar, H. Hartmann, W. Kaim, Angew. Chem. 2003, 115, 698, Angew. Chem. Intl. Ed. 2003, 42, 674.

[3] "Chemistry of C-trimethylsilsyl-substituted heterocarboranes. 29. Synthetic and structural studies on lanthanacarboranes with two and three „Carbons Apart"-Carborane cages bonding to Ln(III) metal [Ln(III) = Nd, Gd, Dy, Ho, Er, Tb and Lu" J. Wang, S. Li, C. Zheng, J.A. Maguire, B. Sarkar, W. Kaim und N.S. Hosmane, Organometallics 2003, 22, 4334

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[2] “Synthesis, structure and spectroelectrochemical properties of a dinuclear ruthenium-complex exhibiting a strong electronic interaction across a 1,2,4,5 – tetrazine bridging”. B. Sarkar, R.H. Laye, B. Mondal, S. Chakraborty, R.L. Paul, J.C. Jeffery, V.G. Puranik, M.D. Ward and G.K Lahiri, Dalton Trans. 2002, 2097.

[1] “Bridging function mediated intermetallic coupling in diruthenium – bis(bipyridine) complexes”. S. Chakraborty, B. Mondal, B. Sarkar and G.K. Lahiri, Proc. Indian Acad. Sci. (Chem. Sci.), 2002, 114, 443.

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[10] “Metal Complexes of Click-Derived Triazoles and Mesoionic Carbenes: Electron Transfer, Photochemistry, Magnetic Bistability and Catalysis.” D. Schweinfurth, L. Hettmanczyk, L. Suntrup, B. Sarkar*Z. Anorg. Allg. Chem2017, accepted (invited review article, highlighted on front cover).

  

[9] “Storing Information at the Molecular Level: Developing Molecules for Data Storage Devices.” B. Sarkar* and J. van Slageren*, G.I.T. Laboratory Journal, December 09 2016.

 

[8] “Use of EPR Spectroscopy to Unravel Reaction Mechanisms in (Catalytic) Bond Activation Reactions: Some Selected Examples” S. Manck and B. Sarkar*Topics in Catalysis 201558, 751. (invited article for a special issue on “EPR in catalysis”, Ed. Th. Risse).

  

[7] "“Functional Metal Complexes Based on Bridging “Imino”-Quinonoid Ligands.” B. Sarkar*, D. Schweinfurth, N. Deibel and F. Weisser, Coord. Chem. Rev. 2015293-294, 250. (invited review for the ICCC-41 special issue).

 

[6] “Spektroskopie trifft Elektrochemie”, F. Weisser, N. Deibel and B. Sarkar*Nachrichten aus der Chemie 201462,1068.

 

[5] "Mixed-valency with a 5d-metal: The Osmium example" W. Kaim and B. SarkarCoord. Chem. Rev. 2013257, 1650.


[4] “Mit Click zu neuen Liganden.” D. Schweinfurth, N. Deibel, F. Weisser and B. Sarkar*Nachrichten aus der Chemie 201159, 937 (highlighted on front cover). 


[3] “Nicht unschuldig: chinoide Liganden.” D. Schweinfurth, F. Weisser and B. Sarkar*Nachrichten aus der Chemie 200957, 862.


[2] “Mixed-valent intermediates as ideal targets for spectroelectrochemistry (SEC)”. W. Kaim, B. Sarkar and G. K. Lahiri, in W. Kaim and A. Klein, Eds. Spectroelectrochemistry, RSC 2008, 68.


[1] “Mixed valency in ruthenium complexes—Coordinative aspects”. W. Kaim and B. SarkarCoord. Chem. Rev. 2007251, 584.

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[77] ‘Magnetic Switching and Redox-Switchable Catalysis with 1,2,3…Click.’ B. Sarkar, November 2017, Universität Potsdam, Potsdam, Deutschland.

   

[76] ‘Light as a Powerful Source for Activating Inert Bonds: Investigations on Ruthenium and Osmium Complexes.’ B. Sarkar, SolChem-2017, Invited Lecture, October 2017, Universität Ulm, Ulm, Deutschland.

  

[75] ‘Redox-Switchable Catalysis with 1,2,3…Click.’ B. Sarkar, NDDK-2017, Plenary Lecture, September 2017, Christian Albrecht Universität zu Kiel, Kiel, Deutschland.

   

[74] ‘Redox-Active Mesoionic Carbenes for Redox-Switchable Catalysis.’ B. Sarkar, AGICHEM-2017, Invited Lecture, August, 2017, Göttingen, Deutschland.

   

[73] ‘Magnetic Switching and Redox-Switchable Catalysis with 1,2,3….Click.’ B. Sarkar, Institutskolloquium, KIT, Juni 2017, Karlsruhe, Deutschland.

    

[72]  ‘Metal Complexes of Tripodal Ligands through 1,2,3…Click: Magnetic Bistability, O2 Activation and Photo/Electrochemical Reactivity.’ B. Sarkar, Institutskolloquium, Universität Göttingen, Juni 2017, Göttingen, Deutschland.

   

[71] ‘Magnetic Switching and Redox-Switchable Catalysis with 1,2,3….Click.’ B. Sarkar, GDCh Kolloquium, Universität Paderborn, Mai 2017, Paderborn, Deutschland.

   

[70]  ‘Adventures with Non-Innocent Ligands: Catalysis and Switching.’ B. Sarkar, Institutskolloquium, National Institute for Science Education and Research, Dezember 2016, Bhubaneswar, Indien.

  

[69]  ‘Metal Complexes of Imino-Quinonoid Bridges: Magnetic Bistability, Optical Bistability and Unusual Chemical Reactivity.’ B. Sarkar, Frontiers in Chemical Science, Invited Lecture, Indian Institute of Technology Guwahati, Dezember 2016, Guwahati, Indien.

   

[68]  ‘Magnetic Switching and Redox-Induced Catalysis with 1,2,3…Click.’ B. Sarkar, GDCh Kolloquium, Universität Rostok, November 2016, Rostock, Deutschland.

  

[67]    ‘Magnetic Switching and Redox-Induced Catalysis with 1,2,3…Click.’ B. Sarkar, Institutskolloquium, RWTH Aachen, Oktober 2016, Aachen, Deutschland.
 

[66]    ‚Effect of the Bridge Symmetry on Electrochemical and Electronic Couplings in Quinonoid Bridged Fe(II) and Co(II) Complexes.’ B. Sarkar, 67th Annual Meeting of the International Society of Electrochemistry, August 2016, The Hague, Netherlands.
 

[65]    ‘Electrochemical Properties and Catalytic Activity of Metal Complexes of Mesoionic Carbenes.’ B. Sarkar, Institutskolloquium, Heinrich-Heine Universität Düsseldorf, June 2016, Düsseldorf, Deutschland.
 

[64]    ‘Multi (metallic) Centers in Actions: Cooperative Catalysis, Magnetic Switches and Electrochromic NIR Dyes.’ B. Sarkar, FUB-DU Symposium, June 2016, Freie Universität Berlin, Berlin, Deutschland.
 

[63]    ‘Quinonoid Based Functional Metal Complexes: Influence of Ligand Symmetry on Electrochemical, Electronic and Magnetic Coupling.’ B. Sarkar, RADICALS Symposium, University of Amsterdam, June 2016, Amsterdam, Netherlands.
 

[62]    ‘Click-Derived Tripodal Ligands and Carbenes for Spin Crossover and Bond Activation Reactions.’ B. Sarkar, ECostBio Meeting, April 2016, Prague, Czech Republic.
 

[61]    ‘Magnetic Switching, Small Molecule Activation and Catalysis with 1,2,3….Click.’ B. Sarkar, Stratingh Lecture, February 2016, University of Groningen, Groningen, Netherlands.  
 

[60] "Metal Complexes of Non-Innocent Ligands for Bond Activation Reactions and Catalysis." B. Sarkar, Pacifichem 2015 (invited talk), Dezember 2015, Honolulu, Hawaii, USA.

 

[59] "Electrochemical and Spectroelectrochemical Methods to Address Optical and Magnetic Switching in Electroactive Molecular Materials." B. Sarkar, Pacifichem 2015, Dezember 2015, Honolulu, Hawaii, USA.

 

[58] "Metal Complexes of Mesoionic Carbenes: Electron Reservoirs and Catalysis." B. Sarkar, Pacifichem 2015, Dezember 2015, Honolulu, Hawaii, USA.

 

[57] "Basics and “Applications” of in-situ Spectroelectrochemistry." B. Sarkar, 3rd Summer School on Spectroelectrochemistry (invited talk), August, 2015, IFW, Dresden, Deutschland.

 

[56] "Magnetic Switching, Small Molecule Activation and Catalysis with 1,2,3…Click." B. Sarkar, Institutskolloquium, Juli 2015, Chuo University, Japan.

 

[55] "Functional Metal Complexes with Non-Innocent Ligands: Catalysis and Switching." B. Sarkar, Zasshikai Lectureship, Juli 2015, University of Tokyo, Japan.

 

[54] "Tripodal Ligands in Coordination Chemistry: Bond Activation Reactions, Electron Transfer and Catalysis." B. Sarkar, Juli 2015, Institutskolloquium,University of Tsukuba, Japan.

 

[53] "Catalysis and Bond Activation Reactions with Metal Complexes of Click-Derived Tripodal Ligands." B. Sarkar, 5th ACCC, Juli 2015, Hong Kong.

 

[52] "Ground and Excited States of Pt-Based Donor-Acceptor Systems." B. Sarkar, Invited Keynote Lecture, 21st ISPPCC, Juli 2015, Krakow, Polen.

 

[51] "‘Magnetic Switching, Small Molecule Activation and Catalysis with 1,2,3…Click." B. Sarkar, Institutskolloquium, Mai 2015, University of Ljubljana, Slowenia.   

 

[50] "Metal-Ligand Cooperativity in Redox-Active Metal Complexes." B. Sarkar, Institutskolloquium, März 2015, IIT Bombay, Mumbai, Indien

[49] "Magnetic Switching, Small Molecule Activation and Catalysis with 1,2,3…Click." B. Sarkar, Institutskolloquium, November 2014, Phillips Universität Marburg, Deutschland. 

 

[48] "Switchable Molecular Materials, Small Molecule Activation and Catalysis with Redox-Active Metal Complexes."          B. Sarkar, November 2014, Halle, Deutschland.

 

[47] "Designing Functional Metal Complexes with Redox-Active Quinonoid Ligands." B. Sarkar, Electrochemial Horizons 2014, Invited Keynote Lecture, September 2014, Loughborough, England.

 

[46] "Polyelectrochromism in Diruthenium Complexes with with Redox-Active Ligands." B. Sarkar, Annual Meeting of the International Society of Electrochemistry, August 2014, Laussane, Schweiz.

 

[45] "Proton and Electron Transfer Induced Reactivity in Metal Complexes of Redox-Active Ligands." B. Sarkar, Rising star Symposium, International Conference on Coordination Chemistry-41, Juli 2014, Singapore (invited talk for the “Rising Star” symposium).

 

[44] "Designing Functional Metal Complexes with Redox-Active Quinonoid Ligands." B. Sarkar, Institutskolloquim, Juli 2014, Johannes Gutenberg Universität Mainz, Deutschland.

 

[43] "Unravelling Electronic Structures and Reactivity in Metal Complexes with (Spectro)Electrochemical Methods." B. Sarkar, Summer School on Electrochemistry, Juni 2014, Queretaro, Mexico (invited “Keynote Lecture”).

 

[42] "Generating Functional Metal Complexes with Redox-Active Quinonoid Ligands." B. Sarkar, Institutskolloquim, Dezember 2013, Carl von Ossietzky Universität Oldenburg, Deutschland.

 

[41] "Electron and Proton Transfer Induced Reactivity in Metal Complexes Containing Redox-Active Ligands." B. Sarkar, 46th Heyrovsky Discussions, Juni 2013, Trest, Czech Republic.

 

[40] "Electron Transfer Induced Reactivity in d8 Metal Complexes Containing Non-Innocent Ligands." B. Sarkar, N. Deibel, D. Schweinfurth and S. Hohloch, 245th ACS National Meeting, April 2013, New Orleans, U. S. A.

 

[39] "Metal Complexes of Abnormal Carbenes and their Role in Catalysis." B. Sarkar und S. Hohloch, 245th ACS National Meeting, April 2013, New Orleans, U. S. A.

 

[38] "Metal Complexes with Quinonoid Ligands: Beyond Geometric and Electronic Structures." B. Sarkar, Institutskolloquim, Januar, 2013, Technische Universität Braunschweig, Braunschweig, Deutschland.

 

[37] "Click-derived Triazole Ligands in Coordination Chemistry: Magnetic Bistability, Redox Properties and Abnormal Carbenes." B. Sarkar, Institutskolloquim, Oktober, 2012, Westfälische-Wilhelms Universität, Münster, Deutschland.

 

[36] "Using Combined Spectroelectrochemical and DFT Techniques to Investigate Redox-Active Metal Complexes: Advances and Limitations." B. Sarkar, Institutskolloquim, Oktober 2012, IFW Dresden, Dresden, Deutschland.

 

[35] "Metal Complexes of Abnormal Carbenes: Structural Characterization and Catalysis." B. Sarkar, S. Hohloch, D. Scheiffele, L. Holder, XXV ICOMC 2012, September 2012, Lisbon, Portugal.


[34] "Using UV-vis-NIR and EPR Spectroelectrochemistry to Unravel Electron Transfer Sites and Chemical Reactivity." B. Sarkar, ISE Satellite Meeting, Spectroelectrochemistry 2012, August 2012, IFW, Dresden, Deutschland.


[33] "Metal Complexes of Click Derived Functional Ligands: Switchable Systems and Catalysis." B. Sarkar, Tag der Chemie, Mai 2012, Freie Universität, Berlin, Deutschland.


[32] "Metal Complexes of Quinonoid Ligands: Beyond Geometric and Electronic Structures." B. Sarkar Antrittsvorlesung, Februar 2012, Universität Stuttgart, Stuttgart, Deutschland.


[31] "Carbon Allotropes" B. Sarkar, Habilitationsvortrag, November 2011, Universität Stuttgart, Stuttgart, Deutschland.


[30] "Metal Complexes of ‘Click’ derived 1,2,3-Triazole Ligands: From Abnormal Carbenes to Magnetic Bistability." B. Sarkar, Asian Coordination Chemistry Meeting, October 2011, Delhi, Indien.


[29] "Donor-Acceptor Systems and Electron Transfer Induced Reactivity." B. Sarkar, Electrochemical Horizons, September 2011, Bath, England.


[28] "Metallkomplexe der Non-innocent Liganden: Redox-reiche Systeme und Ungewöhnliche chemische Reaktivität." B. Sarkar, September 2011, Technische Universität, Dresden, Deutschland.


[27] "Metal Complexes of ‘Click’ derived 1,2,3-Triazole Ligands: From Abnormal Carbenes to Magnetic Bistability." B. Sarkar, Institutskolloquim, März 2011, Indian Institute of Technology Guwahati, Guwahati, Indien.

[26] "Metal Complexes of ‘Click’ derived 1,2,3-Triazole Ligands: From Abnormal Carbenes to Magnetic Bistability." B. Sarkar, Institutskolloquim, März 2011, Indian Institute of Technology Bombay, Mumbai, Indien.

 
[25] "Metal Complexes of ‘Click’ derived 1,2,3-Triazole Ligands: From Abnormal Carbenes to Magnetic Bistability." B. Sarkar, Institutskolloquim, März 2011, Delhi University, Delhi, Indien.

 
[24] "Metallkomplexe der Non-innocent Liganden: Redox-reiche Systeme und Ungewöhnliche chemische Reaktivität." B. Sarkar, Februar 2011, Freie Universität Berlin, Deutschland.

 
[23] "Metal Complexes of Non-innocent Ligands: Redox-rich Systems and Unprecedented Chemical Reactivities", B. Sarkar, Institutskolloquim, Oktober 2010, Technische Universität München, Deutschland.

 
[22] "Controlling Metal-Metal Interaction, Electron Density Distribution and Coordination Switching in Quinonoid Bridged Metal Complexes", B. Sarkar, Institutskolloquim, Mai 2010, Georg-August-Universität Göttingen, Deutschland.

 
[21] "Controlling Metal-Metal Interaction, Electron Density Distribution and Coordination Switching in Quinonoid Bridged Metal Complexes", B. Sarkar, Stanford University, März 2010, Palo Alto, U. S. A.

 
[20] "Energy Level Tailoring in a Series of Quinonoid Bridged Diruthenium Complex with tmpa as Co-ligand", B. Sarkar, F. Weisser, R. Hübner, 239th ACS National Meeting, März 2010, San Francisco, U. S. A.

 
[19] "Ungewöhnlicher Beispiel einer durch Koordination von Thioether ausgelösten Freisetzung von p-Cymol aus einem chinoidverbrückten Diruthenium-Komplex", B. Sarkar, D. Schweinfurth, H. S. Das, Chemiedozententagung, März 2010, Giessen, Deutschland.

 
[18] "Chinoide Ligangen in der Koordinationschemie: Ungewöhnliche Reaktionen, Strukturen und Elektronische Eigenschaften", B. Sarkar, Vorstellungsvortrag, Universität Stuttgart, Februar 2010, Stuttgart, Deutschland.

 
[17] "Chinoid Liganden in der Koordinationschemie: Bioinspirierte Synthese, Strukturen und Elektronische Eigenschaften", B. Sarkar, Universität Erlangen-Nürnberg, Februar 2010, Erlangen, Deutschland.

 
[16] "Chinoid Liganden in der Koordinationschemie: Bioinspirierte Synthese, Strukturen und Elektronische Eigenschaften", B. Sarkar, Universität Essen-Duisburg, Januar 2010, Essen, Deutschland.

 
[15] "Chinoid Liganden in der Koordinationschemie: Ungewöhnliche Reaktionen, Strukturen und Elektronische Eigenschaften", B. Sarkar, Institutskolloquim, Oktober 2009, Universität Regensburg, Deutschland

 
[14] "Chinoid Liganden in der Koordinationschemie: Bioinspirierte Synthese, Elektronentransfer und Katalyse", B. Sarkar, Universität Bayreuth, Juli 2009, Bayreuth, Deutschland.

 
[13] "Neue Chinoid Liganden und ihre Metallkomplexe", B. Sarkar, Institutskolloquim, Juli 2009, Johann-Wolfgang-Goethe-Universitaet, Frankfurt am Main, Deutschland.

 
[12] "Metallkomplexe der isomeren Chinoid-Liganden: Synthese und Korrelation zwischen Strukturen, Redox- und spektroskopischen Eigenschaften", B. Sarkar, Ludwig-Maximilians-Universität, Mai 2009, München, Deutschland.

 
[11] "Metallkomplexe der isomeren Chinoid-Liganden: Synthese und Korrelation zwischen Strukturen, Redox- und spektroskopischen Eigenschaften", B. Sarkar, Chemiedozententagung, März 2009, Göttingen, Deutschland.

 
[10]"Neue Chinoid Liganden und ihre Metallkomplexe", B. Sarkar, Institutskolloquim, Januar 2009, Technische Universitaet Kaiserslautern, Deutschland.

 
[9] "Trapping the Guilty: Determining Oxidation State Combinations in Complexes Containing Two Potentially Non-Innocent Ligands", B. Sarkar, 238th ACS National Meeting, August 2008, Philadelphia, U.S.A.

 
[8] "Metal Compounds of the Superoxide Radical", B. Sarkar, Kolloquim, SFB 706, Universität Stuttgart, Juni 2008, Stuttgart, Deutschland.

 
[7] "Spin-Orbit Coupling Effects in EPR of Transtion Metal Complexes", B. Sarkar, COST Workshop, Dezember 2007, Strasbourg, Frankreich.

 
[6] "Mixed-Valent Complexes Bridged by a Radical Anion Ligand", B. Sarkar, 234th ACS National Meeting, August 2007, Boston, U.S.A.

 
[5] "Mixed-Valency in Diruthenium Complexes: Coordinative Aspects", B. Sarkar, Institutskolloquim, Mai 2007, Institut für Anorganische Chemie, Universität zu Köln, Köln, Deutschland.

 
[4] "Mixed-valency in Diruthenium Complexes: Variations on a Popular Theme", B. Sarkar, Workshop of the Graduate College in Saarbrücken, Deutschland, Deutsche Französische Hochschule (DFH), November 2005.

 
[3] "High Field EPR of Dinuclear Transition Metal Complexes", B. Sarkar, Graduate College Magnetic Resonance Workshop, Februar 2004, Hirschegg, Östereich.

 
[2] "High Field EPR Spectroscopy of Diruthenium Complexes", B. Sarkar, Graduate College Magnetic Resonance Workshop, Oktober 2003, Würzburg, Deutschland.

 
[1] "Electronic Coupling Across Tetrazine Bridges", B. Sarkar, Graduate College Magnetic Resonance Workshop, Oktober 2002, Rügheim, Deutschland

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