Two New Sesquiterpene Lactones with the Sulfonic Acid Group from Saussurea lappa

Hong-quan Yin; Hong-wei Fu; Hui-ming Hua; Xiu-lan Qi; Wen Li; Yi Sha; Yue-hu Pei

doi:10.1248/cpb.53.841

Notes

Two New Sesquiterpene Lactones with the Sulfonic Acid Group from Saussurea lappa

Hong-quan Yin, Hong-wei Fu, Hui-ming Hua, Xiu-lan Qi, Wen Li, Yi Sha, Yue-hu Pei

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Keywords: Saussurea lappa C, Compositae, sesquiterpene lactone, 13-sulfo-dihydrosantamarine, 13-sulfo-dihydroreynosin

JOURNAL FREE ACCESS

2005 Volume 53 Issue 7 Pages 841-842

DOI https://doi.org/10.1248/cpb.53.841

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Abstract

Two new sesquiterpene lactones with the unusual sulfonic acid group, 13-sulfo-dihydrosantamarine (1) and 13-sulfo-dihydroreynosin (2), have been isolated from the roots of Saussurea lappa C. Their structures, including the absolute configurations, were elucidated by spectroscopic methods.

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