The dimethylbismuth cation: entry into dative Bi-Bi bonding and unconventional methyl exchange

Please always quote using this URN: urn:nbn:de:bvb:20-opus-256543
  • The dimethyl bismuth cation, [BiMe\(_2\)(SbF\(_6\))], has been isolated and characterized. Reaction with BiMe\(_3\) allows access to the first compound featuring Bi→Bi donor–acceptor bonding. In solution, dynamic behavior with methyl exchange via an unusual S\(_E\)2 mechanism is observed, underlining the unique properties of bismuth species as soft Lewis acids with the ability to undergo reversible Bi−C bond cleavage.

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Author:Dr. Jaqueline Ramler, Dr. Felipe Fantuzzi, Felix Geist, Dr. Anna Hanft, Prof. Dr. Holger Braunschweig, Prof. Dr. Bernd Engels, Dr. Crispin LichtenbergORCiD
Document Type:Journal article
Faculties:Fakultät für Chemie und Pharmazie / Institut für Anorganische Chemie
Fakultät für Chemie und Pharmazie / Institut für Physikalische und Theoretische Chemie
Parent Title (English):Angewandte Chemie International Edition
Year of Completion:2021
Article Number:46
Source:Angewandte Chemie International Edition (2021) 60:46, 24388–24394. DOI: 10.1002/anie.202109545
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 54 Chemie / 546 Anorganische Chemie
Tag:Lewis acidity; bismuth; cationic species; electrophilic substitution; inorganic chemistry; methyl exchange
Release Date:2022/02/24
Licence (German):License LogoCC BY-NC-ND: Creative-Commons-Lizenz: Namensnennung, Nicht kommerziell, Keine Bearbeitungen 4.0 International