Five New Withanolides from Tacca plantaginea

Hai-Yang Liu; Wei Ni; Bai-Bo Xie; Ling-Yun Zhou; Xiao-Jiang Hao; Xin Wang; Chang-Xiang Chen

doi:10.1248/cpb.54.992

Regular Articles

Five New Withanolides from Tacca plantaginea

Hai-Yang Liu, Wei Ni, Bai-Bo Xie, Ling-Yun Zhou, Xiao-Jiang Hao, Xin Wang, Chang-Xiang Chen

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Keywords: Tacca plantaginea, plantagiolide A, plantagiolide B, plantagiolide C, plantagiolide D, plantagiolide E

JOURNAL FREE ACCESS

2006 Volume 54 Issue 7 Pages 992-995

DOI https://doi.org/10.1248/cpb.54.992

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Abstract

Five new withanolides named plantagiolides A—E (1, 3—6), together with a known withanolide glucoside, chantriolide A (2) were isolated from the whole plants of Tacca plantaginea (HANCE). Their structures were elucidated by means of spectroscopic methods including extensive 1D and 2D-NMR techniques.

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