Author(s): Sun HF, Ding JY
Swertia miussotii Frach (Family Gentianaceae) is a herb used as medicine for liver diseases in Tibetan.Its principal antihepatitisic constituents,oleanolic acid and mangi- ferin,have been reported.The present paper reports eight xanthones obtained from this plant.Their structures have been identified as 1,8-dihydroxy-3,5-dimethoxyxanthonel, 1-hydroxy-3,5-dimethoxyxanthene Ⅱ,1-hydroxy-3,7,8-trimethoxyxanthone Ⅲ,8-hydroxy- 1,3,5-trimethoxyxanthone Ⅳ,1,8-dihydroxy-3,7-dimethoxyxanthone Ⅴ,1,7,8-trihydroxy- 3-methoxyxanthoneⅥ,1,7-dihydroxy-3,4,8-trimethoxyxanthoneⅦ,and 1,3,8-trihydro- xy-5-methoxyxanthoncⅧ.Of them,1,7-dihydroxy-3,4,8-trimethoxyxanthone is a new natural product.
Referred From: http://en.cnki.com.cn/Article_en/CJFDTOTAL-ZWXB198106006.htm
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