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Two New Lignans from Taxus yunnanensis
Author(s) -
Li ShengHong,
Zhang HongJie,
Yao Ping,
Niu XueMei,
Xiang Wei,
Sun HanDong
Publication year - 2003
Publication title -
chinese journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.28
H-Index - 41
eISSN - 1614-7065
pISSN - 1001-604X
DOI - 10.1002/cjoc.20030210741
Subject(s) - lignan , chemistry , phytochemical , taxus , stereochemistry , traditional medicine , botany , biochemistry , medicine , biology
The phytochemical investigation on the ethanolic extracts of the barks of Taxus yunnanensis (Taxaceae) led to the isolation of two new neo ‐lignans, named taxuyunins A (1) and B (2), a‐long with the known diterpenolignan, brevitaxin (3). Their structures were elucidated on the basis of spectroscopic and chemical evidences. Compound 1 is a neo ‐lignan xyloside while compound 2 belongs to the rare neo ‐lignan possessing a ramified C 3 side chain.
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