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DOI: 10.1055/s-2006-957939
© Georg Thieme Verlag Stuttgart · New York
Alkaloids from Aspidosperma Species from Bolivia
Publication History
1996
1996
Publication Date:
04 January 2007 (online)
Abstract
Two Bolivian Aspidosperma species were investigated. The seed and stem bark of Aspidosperma macrocarpon Mart. contain six known alkaloids: (-)-vincadifformine, ervinceine, kopsanone, kopsinine, kopsanol in the seed, and kopsanone, kop-sinine, kopsanol, 18-epikopsanol in the stem bark. The stem bark of Aspidosperma pyrifolium Mart. contains eleven known alkaloids: (-)-vincadifformine, O-demethylpalosine, haplocine, N-formylaspidospermidine, vallesine, demethoxyaspidospermine, palosine, (-)-aspidospermine, aspidospermidine, akuammicine, tubotaiwine, beside the two new bases dehydroxyhaplocidine and 10-methoxyaspidospermidine.
Key words
Aspidosperma macrocarpon - A. pyrifolium - Apocynaceae - indole alkaloids