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Paper | Special issue | Vol 77, No. 1, 2009, pp.493-505
Published online, 25th August, 2008
DOI: 10.3987/COM-08-S(F)48
Synthesis of 6Z-Pandanamine by Regioselective Cyclization Reaction of 2-En-4-ynoic Acid Derivatives Promoted by Weak Base

Kou Hiroya,* Kazuya Takuma, Kiyofum Inamoto, and Takao Sakamoto

*Graduate School of Pharmaceutical Science, Tohoku University, Aramaki, Aoba-ku, Sendai 980-8578, Japan

Abstract

The stereoselective synthesis of 6Z-pandanamine by base-promoted 5-exo-dig-selective cyclization reaction of bis-2-en-4-ynoic acid derivative as a key step is described.