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Communication | Special issue | Vol 73, No. 1, 2007, pp.187-190
Published online, 20th July, 2007
DOI: 10.3987/COM-07-S(U)23
Gold-Catalyzed Cyclization Reaction of Alkynyl O-tert-Butylcarbamates

Hideto Miyabe,* Yuichi Sami, Takeaki Naito, and Yoshiji Takemoto*

*Graduate School of Pharmaceutical Sciences, Kyoto University, Yoshida, Sakyo-ku, Kyoto 606-8501, Japan

Abstract

Gold-catalyzed cyclization of alkynyl O-tert-butylcarbamates having N-benzyloxy group provided the 6-endo cyclized products selectively. Cascade reaction of O-tert-butylcarbamates having an enyne moiety was also examined.