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Cu(I)-Catalyzed Coupling of Bis(trimethylsilyl)diazomethane with Terminal Alkynes: A Synthesis of 1,1-Disilyl Allenes

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journal contribution
posted on 03.05.2018, 00:00 by Shuai Xu, Ri Chen, Zihao Fu, Yunpeng Gao, Jianbo Wang
A Cu­(I)-catalyzed cross-coupling reaction of terminal alkynes and bis­(tri­methyl­silyl)­diazomethane is reported. Mechanistically, the reaction is based on the recently developed cross-coupling reactions through metal-carbene migratory insertion. This reaction provides an efficient synthetic method for 1,1-disilyl allenes. Subsequent transformations of 1,1-disilyl allenes are investigated, which show diverse reactivities of these allenes.

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