Gold (I)??Catalyzed Functionalization of Benzhydryl C (sp3) H Bonds
…, M Chiarucci, F Dosi, M Bandini
Index: Cera, Gianpiero; Chiarucci, Michel; Dosi, Federico; Bandini, Marco Advanced Synthesis and Catalysis, 2013 , vol. 355, # 11-12 p. 2227 - 2231
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Citation Number: 7
Abstract
Abstract: The selective activation/functionalization of benzhydryl CACHTUNGTRENNUNG (sp3) ÀH bonds is documented. The gold complex XPhosAuNTf2 turned out to be an efficient catalyst (5 mol%) to transform readily available propargylic esters into di-or trisubstituted naphthalenes in high yield. A 1, 5-hydride shift is postulated as the key step of the cascade reaction sequence. Keywords: CÀH functionalization; gold catalysis; 1, 5- ...
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