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

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posted on 2017-01-30, 19:34 authored by 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
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.

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