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A Very Strong Methylation Agent: [Me₂Cl][Al(OTeF₅)₄]

Sebastian Hämmerling, Günther Thiele, Simon Steinhauer, Helmut Beckers, Carsten Müller, Sebastian Riedel – 2019

A new chloronium‐containing salt, [Me₂Cl][Al(OTeF₅)₄], was synthesized on multigram scale by means of a simple one‐pot procedure. The isolated product can be handled at room temperature and used as a strong electrophilic methylation agent. This is demonstrated by the methylation of the very weak bases P(CF₃)₃, PF₃, MeI, and MeBr.

Titel
A Very Strong Methylation Agent: [Me₂Cl][Al(OTeF₅)₄]
Verfasser
Sebastian Hämmerling, Günther Thiele, Simon Steinhauer, Helmut Beckers, Carsten Müller, Sebastian Riedel
Schlagwörter
Fluorine • Chloronium • Methylation • Weakly Coordinating Anion
Datum
2019
Erschienen in
Angew. Chem. Int. Ed. 2019, 58, 9807-9810 (Angew. Chem. 2019, 131, 9912-9915). HOT Paper
Zitierweise
DOI: 10.1002/anie.201904007 (Int. Ed.); 10.1002/ange.201904007
Sprache
eng