Desulfinylation of Ag(I) Sulfinyl Mesoionic Carbenes: Preparation of C-Unsubstituted Au(I)-1,2,3-Triazole Carbene Complexes

María Frutos, Manuel A. Ortuño, Agustí Lledos, Alma Viso, Roberto Fernández De La Pradilla, María C. De La Torre, Miguel A. Sierra, Heinz Gornitzka, Catherine Hemmert

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10 Scopus citations

Abstract

New and well-characterized Ag-bis(1,2,3-triazolylidene) complexes having enantiopure (S)-sulfoxides upon sequential treatment with alcohols and Au(I) form separable mixtures of regioisomeric C-unsubstituted Au-1,2,3-triazolylidene complexes. Mechanistic studies and DFT calculations support a desulfinylation process for in situ generated free triazolylidene salts.

Original languageEnglish (US)
Pages (from-to)822-825
Number of pages4
JournalOrganic Letters
Volume19
Issue number4
DOIs
StatePublished - Feb 17 2017

Bibliographical note

Funding Information:
Support for this work under grants (CTQ2013-46459-C2-01-P to M.A.S., CTQ2013-46459-C2-02-P to M.C.T., and CTQ2014-51912-RDC) from the MINECO (Spain) is gratefully acknowledged. M.F. thanks the MINECO for FPI fellowship. Ms. M. Velado (CSIC) is acknowledged for helping with the preparation of some starting materials.

Publisher Copyright:
© 2017 American Chemical Society.

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