Issue 12, 2011

Tracking gold acetylides in gold(i)-catalyzed cycloisomerization reactions of enynes

Abstract

The intermediacy of gold acetylides in the gold(I)-catalyzed cycloisomerization of enynes was questioned. While dinuclear gold complexes are observed under electrospray ionization conditions, the solution reactivity of gold acetylides also leads to the conclusion of their high affinity for the second coordination of a gold moiety, leading to dinuclear gold complexes. However, the involvement of gold acetylides and the corresponding diaurated species in the elementary steps of cycloisomerization mechanisms of enynes appears unlikely.

Graphical abstract: Tracking gold acetylides in gold(i)-catalyzed cycloisomerization reactions of enynes

Supplementary files

Article information

Article type
Edge Article
Submitted
18 Jul 2011
Accepted
25 Aug 2011
First published
09 Sep 2011

Chem. Sci., 2011,2, 2417-2422

Tracking gold acetylides in gold(I)-catalyzed cycloisomerization reactions of enynes

A. Simonneau, F. Jaroschik, D. Lesage, M. Karanik, R. Guillot, M. Malacria, J. Tabet, J. Goddard, L. Fensterbank, V. Gandon and Y. Gimbert, Chem. Sci., 2011, 2, 2417 DOI: 10.1039/C1SC00478F

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