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Communication | Special issue | Vol 82, No. 2, 2010, pp.1133-1136
Published online, 13th August, 2010
DOI: 10.3987/COM-10-S(E)87
Unprecedented Synthesis of N,N-Divinylamines by Tf2NH-Catalyzed Reaction of Ynamide with Ketimine

Naoya Shindoh, Yoshiji Takemoto,* and Kiyosei Takasu*

*Graduate School of Pharmaceutical Sciences, Kyoto University, 46-29 Yoshida-shimoadachi-machi, Sakyo-ku, Kyoto 606-8501, Japan

Abstract

Tf2NH-catalyzed synthesis of N,N-divinylamines from ynamides and acetophenoneimines is described. The products would be produced through the formation of the corresponding keteniminiums and enamines by the assistance of the catalyst.