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Chemical constituents from the leaves of Craibiodendron yunnanense

✍ Scribed by Cheng Zhou; Xiaolei Li; Hongmei Li; Rongtao Li

Book ID: 119211013
Publisher: Elsevier Science
Year: 2012
Tongue: English
Weight: 196 KB
Volume: 45
Category: Article
ISSN: 0305-1978
DOI: 10.1016/j.bse.2012.07.004

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Chemical Constituents from Craibiodendron yunnanense

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## Abstract A new triterpene, (3__β__,12__β__)‐taraxast‐20(30)‐ene‐3,12‐diol (=(3__β__,12__β__,18__α__,19__α__)‐urs‐20(30)‐ene‐3,12‐diol; **1**), together with the known compounds ursolic acid, __α__‐amyrin, __β__‐amyrin, (2__α__,3__β__)‐2,3‐dihydroxyursa‐5,12‐dien‐28‐oic acid, (2__α__,3__β__)‐2,3,