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Direct syn Insertion of Alkynes and Allenes into Au[BOND]Si Bonds


  • Financial support from the Centre National de la Recherche Scientifique, the Université de Toulouse, and the Agence Nationale de la Recherche (ANR-10-BLAN-070901) is gratefully acknowledged.


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Complete control: Alkynes and allenes are shown to insert into Au[BOND]Si bonds with complete stereocontrol and in most cases complete regiocontrol. The ensuing β-silyl vinylgold complexes have been characterized by spectroscopic and crystallographic means. These results provide unequivocal evidence for syn insertion reactions at gold.