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Henrycinols A and B, Two Novel Indole Alkaloids Isolated from Melodinus henryiCraib

✍ Scribed by Yan Wen Zhang; Rui Yang; Qian Cheng; Katsuya Ofuji

Publisher
John Wiley and Sons
Year
2003
Tongue
German
Weight
113 KB
Volume
86
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

Henrycinols A (1) and B (2), two novel indole alkaloids, together with three known compounds, (+)‐Δ^14^‐vincamine (3), (+)‐16‐epi‐Δ^14^‐vincamine (4), and (+)‐isoeburnamine (5), were isolated from the roots of Melodinus henryi Craib. Their structures were established on the basis of 1D‐ and 2D‐NMR spectroscopic analysis. The relative configuration of henrycinols A and B was determined by NOESY analysis.

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