A newly rearranged 2(3→20)abeotaxane diterpene from the bark of Chinese yew, Taxus mairei

被引:11
|
作者
Shi, QW [1 ]
Oritani, T [1 ]
Sugiyama, T [1 ]
机构
[1] Tohoku Univ, Grad Sch Agr Sci, Div Life Sci, Lab appl Bioorgan Chem,Aoba Ku, Sendai, Miyagi 9818555, Japan
关键词
Taxus mairei; Taxaceae; rearranged 2(3 -> 20) abeotaxane; bark; taxoid;
D O I
10.1271/bbb.62.2263
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
A newly rearranged 2(3-->20)abeotaxane diterpenoid with a unique 6/10/6 skeleton was isolated from the bark of the Chinese yew, Taxus mairei. The structure was established as being 7 beta,13 alpha-diacetoxy-2 alpha,5 alpha,10 beta-trihydroxy-9-keto-2(3-->20)abeotaxane on the basis of 1-D and 2-D NMR data. The relative stereochemistry was defined from the results of a NOESY experiment. This is the first reported isolation of a rearranged 2(3-->20)abeotaxane from Taxus mairei.
引用
收藏
页码:2263 / 2266
页数:4
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