Fei WANG ^a,b, Zheng-Hong XIE ^b, Yuan GAO ^b, Yao XU ^b, Xue-Lian CHENG ^b, and Ji-Kai LIU ^*,a

^a State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences; Kunming 650204, China 

^b BioBioPha Co., Ltd.; Kunming 650204, China.

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 onthe basis of extensive spectroscopic analysis.

文章链接：https://www.jstage.jst.go.jp/article/cpb/56/6/56_6_864/_article/-char/ja/