Two new sesquiterpene lactones with the sulfonic acid group from Saussurea lappa |
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| Authors: | Yin Hong-quan Fu Hong-wei Hua Hui-ming Qi Xiu-lan Li Wen Sha Yi Pei Yue-hu |
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| Institution: | School of Traditional Chinese Medicine, Shenyang Pharmaceutical University, China. |
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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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