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Paper | Regular issue | Vol 32, No. 7, 1991, pp.1297-1300
Published online, 1st January, 1970
DOI: 10.3987/COM-91-5705
Studies on Aconitum Species. XIV. Deoxygenation of Pseudokobusine to Kobusine

Koji Wada,* Hideo Bando, and Norio Kawahara

*Hokkaido Institute of Pharmaceutical Sciences, 7-1 Katsuraoka-cho, Otaru 047-02, Japan

Abstract

Pseudokobusine (1) was deoxygenated through conversion into the imidazoylthiocarbonyl derivative with N,N’-thiocarbonyldiimidazole and then treated with tri-n-butylstannane. This reaction sequence produced kobusine (2) in a good yield.