Indole alkaloids isolated from Gelsemium elegans (Thailand): 19-(Z)-akuammidine, 16-epi-voacarpine, 19-hydroxydihydrogelsevirine, and the revised structure of koumidine.

Chemical and Pharmaceutical Bulletin
1987.0

Abstract

Structures of the new indole alkaloids, 19-(Z)-akuammidine, 16-epivoacarpine, 19-hydroxydihydrogelsevirine isolated from the root of Gelsemium elegans have been determined by the spectral method, X-ray analysis and chemical correlation. Koumidine was revised to show the 19 - (Z) ethylidene configuration in the structure. © 1987, The Pharmaceutical Society of Japan. All rights reserved.

DOI： 10.1248/cpb.35.4668

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