Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 56, Issue 40, Pages 12264-12267Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201706197
Keywords
C=C coupling; carbene complexes; geminal dianions; gold(III); nucleophilic Schrock-type carbenes
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Funding
- CNRS
- Universite de Toulouse
- Agence Nationale de la Recherche [ANR-14-CE06-0006, ANR-JCJC-2012-POGO]
- MESR
- Occitanie
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The first Au-III carbene complex was prepared by reacting a geminal dianion with a (P,C) cyclometalated Au-III precursor. Its structure and bonding situation have been thoroughly investigated by experimental and computational means. The presence of a high-energy highest occupied molecular orbital (HOMO) centered at the carbene center suggests nucleophilic character for the Au-III carbene complex. This unprecedented feature was confirmed by reactions with two electrophiles (PhNCS and CS2), resulting in two types of C=C coupling reactions.
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