Gold-catalyzed intermolecular hydroamination of allenes with sulfonamides. 2013

Chen Zhang, and Shao-Qiao Zhang, and Hua-Jun Cai, and Dong-Mei Cui
School of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, PR China.

A co-catalyst of (PPh3)AuCl/AgOTf for the intermolecular hydroamination of allenes with sulfonamides is shown. The reaction proceeded smoothly under mild conditions for differently substituted allenes giving N-allylic sulfonamides in good yields with high regioselectivity and E-selectivity.

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