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Gold(I)-Catalyzed Domino Ring-Opening Ring-Closing Hydroamination of Methylenecyclopropanes (MCPs) with Sulfonamides:  Facile Preparation of Pyrrolidine Derivatives

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posted on 2006-08-31, 00:00 authored by Min Shi, Le-Ping Liu, Jie Tang
Reaction of methylenecyclopropanes 1 with sulfonamides produces the corresponding pyrrolidine derivatives 3 in moderate to good yields under the catalysis of Au(I) via a domino ring-opening ring-closing hydroamination process.

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