Sulfonated Guaianolides from Saussurea lappa

Fei Wang; Zheng-Hong Xie; Yuan Gao; Yao Xu; Xue-Lian Cheng; Ji-Kai Liu

doi:10.1248/cpb.56.864

Notes

Sulfonated Guaianolides from Saussurea lappa

Fei Wang, Zheng-Hong Xie, Yuan Gao, Yao Xu, Xue-Lian Cheng, Ji-Kai Liu

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Keywords: Saussurea lappa, sesquiterpene lactone, sulfonated guaianolide, sulfocostunolide A, sulfocostunolide B

JOURNAL FREE ACCESS

2008 Volume 56 Issue 6 Pages 864-865

DOI https://doi.org/10.1248/cpb.56.864

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Abstract

Two new guaiane-type sesquiterpene lactones with an unusual sulfonic acid group, sulfocostunolide A (1) and sulfocostunolide B (2), were isolated from the roots of Saussurea lappa. Their structures were elucidated on the basis of extensive spectroscopic analysis.

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