Flavisiamines A-D, New Indole Alkaloids from Kopsia flavida

HETEROCYCLES
2008.0

Abstract

Four new methyl chanofruticosinate-type alkaloids, flavisiamines A (1) ∼ D (4) have been isolated from Kopsia flavida (Apocynaceae) and their structures were elucidated by NMR spectral analysis using 2D techniques. © The Japan Institute of Heterocyclic Chemistry.

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