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Alkaloids from the Roots of Stemona cochinchinensis

✍ Scribed by Li-Gen Lin; Pham-Huu Dien; Chun-Ping Tang; Chang-Qiang Ke; Xin-Zhou Yang; Yang Ye

Publisher
John Wiley and Sons
Year
2007
Tongue
German
Weight
200 KB
Volume
90
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

Phytochemical investigation of the roots of Stemona cochinchinensis led to the isolation and structure elucidation of a new pyrido[1,2‐a]azepine‐type alkaloid, stemocochinamine (1), and of four new pyrrolo[1,2‐a]azepine‐type alkaloids, bisdehydrostemocochinine (2), isobisdehydrostemocochinine (3), neostemocochinine (4), and isoneostemocochinine (5), together with six known alkaloids. Their structures were established on the basis of extensive 1D‐ and 2D‐NMR analyses in combination with HR‐MS experiments.

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