Taxane diterpenoids from the bark of Taxus yunnanensis.
Phytochemistry(2001)
摘要
Further investigation on the alcohol extract of the barks of Taxus yunnanensis led to the isolation of four taxoids, namely, 7beta-xylosyl-taxol D, taxuyunnanines P, Q and R, along with the known taxuyuntin G (2). Four are rearranged taxoids with an 11(15-->1)-abeotaxoid skeleton and an opened oxetane ring moiety. Structures were determined by spectroscopic and chemical means.
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关键词
Taxus yunnanensis,Taxaceae,bark,abeotaxoids,7 beta-xylosyl-taxol D,taxuyunnanines P-R,taxuyuntin G
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