Copper??Catalyzed Highly Selective Semihydrogenation of Non??Polar Carbon??Carbon Multiple Bonds using a Silane and an Alcohol

K Semba, T Fujihara, T Xu, J Terao…

Index: Semba, Kazuhiko; Fujihara, Tetsuaki; Xu, Tinghua; Terao, Jun; Tsuji, Yasushi Advanced Synthesis and Catalysis, 2012 , vol. 354, # 8 p. 1542 - 1550

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Citation Number: 53

Abstract

Abstract A copper catalyst bearing a suitable Xantphos derivative or NHC ligand was found to be highly efficient for the selective semihydrogenation of non-polar unsaturated compounds using a mixture of a silane and an alcohol as reducing agent. The catalytic system was useful for the selective semihydrogenation of internal alkynes to (Z)-alkenes with suppression of overreduction to the corresponding alkanes. Furthermore, ...