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Chemistry of the Elements Technetium and Rhenium

The coordination chemistry and organometallic chemistry of technetium and rhenium was in the focus of our research for many years. This involved studies with the long-lived isotope 99Tc as well as with the short-lived nuclear isomer 99mTc.

Many of our recent studies, particularly those with bulky terphenylisocyanides, were done in close collaboration with the group of Prof. Joshua Figueroa, University of California San Diego.

Technetiumchemie

Moritz Johannes Ernst, Abdullah Abdulkader, Adelheid Hagenbach, Guilhem Claude, Maximilian Roca Jungfer and Ulrich Abram

 "[Tc(NO)(Cp)(PPh3)Cl] and [Tc(NO)(Cp)(PPh3)(NCCH3)](PF6), and Their Reactions with Pyridine and Chalcogen Donors"

Molecules, 2024, 29, 1114.

DOI: https://doi.org/10.3390/molecules29051114

GA_354

Technetium Chemistry

Guilhem Claude, Denis Puccio, Maximilian Roca Jungfer, Adelheid Hagenbach, Sarah Spreckelmeyer, Ulrich Abram

"Technetium complexes with an isocyano-alkyne ligand and its reaction products"

Inorg. Chem. 2023, 62, 12445-12452.

DOI: 10.1021/acs.inorgchem.3c01638 

TOC_click_rev_354

Rhenium Chemistry

Felipe Dornelles da Silva, Maximilian Roca Jungfer, Adelheid Hagenbach, Ernesto Schulz Lang and Ulrich Abram

" Stabilization of 2-pyridyltellurium(II) derivatives by oxidorhenium(V) complexes"

Chemistry, 2023, 5, 934-947.

DOI: 10.3390/chemistry5020063 

felipe_354a

Rhenium Chemistry

Guilhem Claude, Erika Kulitzki, Adelheid Hagenbach, Joshua S. Figueroa, and Ulrich Abram

" Phenylimido Complexes of Rhenium: Fluorine Substituents Provide Protection, Reactivity and Solubility"

Dalton Trans. 2023, 52, 4768-4778.

DOI: 10.1039/D3DT00446E .

Re_PhF_354

Technetium Chemistry

Federico Salsi, Adelheid Hagenbach, Joshua S. Figueroa and Ulrich Abram

" Na[Tc(CO)(CNp-F-ArDArF2)4]: an isocyanide analogue of the elusive Na[Tc(CO)5] "

Chem. Commun. 2023, 59, 4028-4031.

DOI: 10.1039/d3cc00946g

Tc(-1)_354

Technetium and Rhenium Chemistry

Federico Salsi,Shuai Wang, Christian Teutloff, Marvin Busse, Michael Neville, Adelheid Hagenbach, Robert Bittl, Joshua S. Figueroa and Ulrich Abram

"A Complete Triad of Zero-Valent 17-Electron Monoradicals of Group 7 Elements Stabilized by m-Terphenyl Isocyanides"

Angew. Chem., 2023, 62, e202300254.

DOI: 10.1002/anie.202300254

Tc_null_354

Rhenium Chemistry

Bruno Noschang Cabral, Jessica Rodrigues Fonseca, Maximilian Roca Jungfer, Anke Krebs,  Adelheid Hagenbach, Ernesto Schulz Lang and Ulrich Abram

"Oxidorhenium(V) and Rhenium(III) Complexes with Arylselenolato and -tellurolato Ligands"

Eur. J. Inorg. Chem. e202300023.

DOI: 10.1002/ejic.202300023

TOC_Re_chalcogenolates_354

Rhenium Chemistry

Maximilian Roca Jungfer, Ulrich Abram

"[ReH3(PPh3)4] - A Key Compound in the Rhenium Hydride Chemistry"

Chem. Eur. J. 2023, e202203317.

DOI: 10.1002/chem.202203317

Toc_354

Rhenium Chemistry

Guilhem Claude, Dominik Weh, Adelheid Hagenbach, Joshua S. Figueroa, and Ulrich Abram

"Rhenium Complexes with p-Fluorophenylisocyanide"

Z. Anorg. Allg. Chem. 2023, e202200320.

DOI: http://dx.doi.org/10.1002/zaac.202200320

ReCO_354

Technetium Chemistry

Guilhem Claude, Laura Zeh, Maximilian Roca Jungfer, Adelheid Hagenbach, Joshua S. Figueroa, and Ulrich Abram

"The Chemistry of Phenylimidotechnetium(V) Complexes: Steric and Electronic Factors"

Molecules, 2022, 27, 8546.

DOI: 10.3390/molecules27238546

Tcimido_354

Technetium Chemistry

Augusto F. Oliveira, Agnieszka Kuc, Thomas Heine, Ulrich Abram, Andreas C. Scheinost

"Shedding Light on the Enigmatic TcO2·xH2O Structure with Density Functional Theory and EXAFS Spectroscopy"

Chem. Eur. J. 2022, 59, e202202235.

DOI: 10.1002/chem.202202235.

grenoble_TOC_354

Technetium Chemistry

Moritz Johannes Ernst, Maximilian Roca Jungfer, Ulrich Abram

Reactions of TcI(NO) and TcVN Complexes with Alkynes and Alkynides

Organometallics 2022, 41, 2011-2021.

DOI: 10.1021/acs.organomet.2c00192

toc_acetylides_354

Technetium Chemistry

Moritz Johannes Ernst, Maximilian Roca Jungfer, Adelheid Hagenbach, Ulrich Abram

Triaryltechnetium(III) and Related Complexes

Organometallics 2022, 41, 1216-1224.

DOI: 10.1021/acs.organomet.2c00101

phenyl_354

Technetium Chemistry

Maximilian Roca Jungfer, Ulrich Abram

Unlocking air- and water-stable technetium acetylides and other organometallic complexes

Inorg. Chem. 2022, 61, 7765-7779.

DOI: 10.1021/acs.inorgchem.2c00070

wasser3_354

Technetium Chemistry

Mamina Bhol, Guilhem Claude, Maximilian Roca Jungfer, Ulrich Abram, Malaichamy Sathiyendiran

Calix[4]arene-Analogous Technetium Supramolecules

Inorg. Chem., 2022, 61, 5173-5177

DOI: 10.1021/acs.inorgchem.1c03691

mamina_354

Technetium Chemistry

Maximilian Roca Jungfer, Laura Elsholz, Ulrich Abram

Technetium(I) Carbonyl Chemistry with Small Inorganic Ligands

Inorg. Chem. 2022, 61, 2980–2997.

DOI: 10.1021/acs.inorgchem.1c03919

wasser1_354

Technetium Chemistry

Maximilian Roca Jungfer, Moritz Johannes Ernst, Ulrich Abram

[{TcI(NO)(LOMe)(PPh3)Cl}Ag](PF6) and [TcII(NO)(LOMe)(PPh3)Cl](PF6): Two Unusual Technetium Complexes with the ‘Kläui Ligand’

Z. Anorg. Allg. Chem. 2022, 648, e202100316.
DOI: 10.1002/zaac.202100316

MaxMoritz_354

Technetium Chemistry

Markus Zegke, Dennis Grödler, Maximilian Roca Jungfer,Alexander Haseloer,Meike Kreuter, Jörg M. Neudörfl, Thomas Sittel, Christopher M. James,  Jörg Rothe, Marcus Altmaier, Axel Klein,Martin Breugst, Ulrich Abram,Erik Strub, Mathias S. Wickleder

"Ammonium Pertechnetate in Mixtures of Trifluoromethane sulfonic Acid and Trifluoromethanesulfonic Anhydride"

Angew. Chem. Int. Ed. Engl. 2022, 61, e202113777.
DOI: 10.1002/anie.202113777

koeln_354

Technetium Chemistry

Maximilian Roca Jungfer, Ulrich Abram

  [Tc(OH2)(CO)3(PPh3)2]+: A Synthon for Tc(I) Complexes and its Reactions with Neutral Ligands.

Inorg. Chem., 2021, 60, 16734-16753

DOI: 10.1021/acs.inorgchem.1c02599

Wasser_1_354

Technetium Chemistry

Abdullah Abdulkader, Adelheid Hagenbach, Ulrich Abram

[Tc(NO)Cl(Cp)(PPh3)] – A Technetium(I) Compound with an Unexpected Synthetic Potential

Eur. J. Inorg. Chem. 2021, 3812-3818.

DOI: 10.1002/ejic.202100521

abdullah_2_354

Selenium Ligands

Rodrigo Cervo, Thaísa R. R. Lopes, Adriana R. de Vasconcelos, Juliana F. Cargnelutti, Ricardo F. Schumacher, Bárbara Tirloni, Sailer S. dos Santos, Ulrich Abram, Ernesto S. Lang and Roberta Cargnelutti

Coordination compounds containing 2-pyridylselenium ligands: synthesis, structural characterization, and antibacterial evaluation

New J. Chem.  2021, 45, 12863-12870.

DOI: 10.1039/D1NJ02374H

Roberta_Selen_354

Technetium Chemistry

Maximilian Roca Jungfer, Laura Elsholz, Ulrich Abram

Technetium Hydrides Revisited: Syntheses, Structures and Reactions of [TcH3(PPh3)4] and [TcH(CO)3(PPh3)2]

Organometallics, 2021, 40, 3095–3112

DOI: 10.1021/acs.organomet.1c00274

max_hydrid_354

Rhenium and Technetium Chemistry

Federico Salsi, Michael Neville, Myles Drance, Adelheid Hagenbach,Joshua S. Figueroa, Ulrich Abram

{MI(CO)X(CNArDArF2)4} (DArF = 3,5-(CF3)2C6H3; M = Re, Tc; X = Br, Cl) Complexes: Convenient Platforms for the Synthesis of Low-valent Rhenium and Technetium Compounds

Organometallics. 2021, 40, 1336 - 1343.

DOI: 10.1021/acs.organomet.1c00124

darf_354

Rhenium and Technetium Chemistry

Li Bo, Sarah Hildebrandt, Adelheid Hagenbach, Ulrich Abram

Tricarbonylrhenium(I)  and -technetium(I) Complexes with Tris(1,2,3-triazolyl)phosphine Oxides

Z. Anorg. Allg. Chem. 2021, 647, 1070 - 1076.

DOI: 10.1002/zaac.202100010

Libo2_354

Rhenium Chemistry

Sarah Hildebrandt, Adelheid Hagenbach, Ulrich Abram

Tricarbonylrhenium(I) Complexes with Tridentate Schiff Base

Z. Anorg. Allg. Chem. 2021, 647, 635-640.

DOI:  10.1002/zaac.202000380

sarah_354

Rhenium Chemistry

André G. de A. Fernandes, Rommel B. Viana, Rodolfo Moreno-Fuquen, Claudia C. Gatto, Ernesto S. Lang, Marcel Z. Modolo, Amandha K. Silva, Sebastião S. Lemos, Adelheid Hagenbach, Ulrich Abram, Victor M. Deflon

Oxorhenium(V) complexes with a benzyldithiocarbazate ligand: synthesis, crystal structure, spectroscopic and DFT analyses

J. Mol Struct.. 2021, 131875.

DOI:  10.1016/j.molstruc.2021.131875

victor_354

Technetium Chemistry

Stephen Bauters, Andreas C. Scheinost, Katja Schmeide, Stephan Weiss, Kathy Dardenne,
Jörg Rothe, Natalia Mayordomo, Robin Steudtner, Thorsten Stumpf, Ulrich Abram, Sergei M.
Butorine, Kristina O. Kvashnina

Signatures of Technetium Oxidation States: A New Approach

Chem. Comm. 2020, 56, 9608-9611.

DOI: 10.1039/d0cc03905e

xanes_354

Technetium Chemistry

Anna C. Grunwald, Clemens Scholtysik, Adelheid Hagenbach, Ulrich Abram

One Ligand, One Metal, Seven Oxidation States - Stable Technetium Complexes with the ‘Kläui Ligand’

Inorg. Chem. 2020, 59, 9396-9405.

DOI: 10.1021/acs.inorgchem.0c01264

anna_354

Technetium Chemistry

Guilhem Claude, Federico Salsi, Adelheid Hagenbach, Milan Gembicky, Myles J. Drance, Michael Neville, Chinglin Chan,  Joshua S. Figueroa, and Ulrich Abram

Structural and Redox Variations in Technetium Complexes Supported by m-Terphenyl Isocyanides

Organometallics, 2020, 39, 12, 2287–2294

DOI: 10.1021/acs.organomet.0c00238

Tc_Isonitrile_354

Rhenium Chemistry

Joshua S. Figueroa and Ulrich Abram

Oxidorhenium(V) and Rhenium(III) Complexes with m-Terphenyl Isocyanides

Z. Anorg. Allg. Chem. 2020,646, 909-914.

DOI: 10.1002/zaac.202000147

ReO_Isonitrile_354

Rhenium Chemistry

Federico Salsi, Michael Neville, Myles Drance, Adelheid Hagenbach, Chinglin Chan, Joshua S. Figueroa, Ulrich Abram

A Closed-Shell Monomeric Rhenium(1-) Anion Provided by m-Terphenyl Isocyanide Ligation

Chem. Comm. 2020, 56, 7009-7013.

DOI: 10.1039/D0CC03043K

Re_0_354