Gold(III)‐ versus Gold(I)‐Induced Cyclization: Synthesis of Six‐Membered Mesoionic Carbene and Acyclic (Aryl)(Heteroaryl) Carbene Complexes | Zendy

Ung Gaël | Zendy; Soleilhavoup Michele | Zendy; Bertrand Guy | Zendy

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Gold(III)‐ versus Gold(I)‐Induced Cyclization: Synthesis of Six‐Membered Mesoionic Carbene and Acyclic (Aryl)(Heteroaryl) Carbene Complexes

Author(s) -

Ung Gaël,

Soleilhavoup Michele,

Bertrand Guy

Publication year - 2013

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.201207961

Subject(s) - mesoionic , carbene , chemistry , ligand (biochemistry) , aryl , medicinal chemistry , selectivity , stereochemistry , organic chemistry , catalysis , receptor , biochemistry , alkyl

The golden state : Selective 5‐ exo ‐ and 6‐ endo ‐cyclizations of an alkynyl benzothioamide have been achieved. The selectivity is controlled by the oxidation state of the gold precursor (+I or +III), yielding two new types of carbene ligand: an (aryl)(heteroaryl)carbene and a six‐membered mesoionic carbene (see scheme). Mes=2,4,6‐trimethylphenyl.

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