CHEMISTRY OF FIJIAN PLANTS .4. ENT-ATISANE DITERPENES FROM EUPHORBIA-FIDJIANA

被引：70

作者：

LAL, AR ^{[1
]}

CAMBIE, RC ^{[1
]}

RUTLEDGE, PS ^{[1
]}

WOODGATE, PD ^{[1
]}

机构：

[1] UNIV AUCKLAND,DEPT CHEM,AUCKLAND,NEW ZEALAND

来源：

PHYTOCHEMISTRY | 1990年 / 29卷 / 06期

关键词：

absolute configuration; ent-17-p-bromobenzoyloxy-; 16α-; hydroxyatisan-3-one; ent-atisanes; Euphorbia fidjiana; Euphorbiaceae; heartwood;

D O I：

10.1016/0031-9422(90)85042-E

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：

The heartwood of the Fijian species Euphorbia fidjiana has yielded seven new ent-14-oxo-atisenes, four ent- atisane-16,17-diols, a 4,5-seco-atisene, and a 3,4-seco- atisene-ent-13[S]-hydroxy-14-oxo-3,4-seco-atis-16-en- 3,4-olide, as well as two chlorinated ent-atisanes which were identified as artifacts. Their structures and relative stereochemistry have been determined by detailed high field NMR studies and from an X-ray structure analysis of ent-13-[S]- hydroxyatis-16-ene-3,14-dione. Their absolute configuration is inferred from an X-ray structure of ent-17-p- bromobenzoyloxy-16α-hydroxyatisan-3-one. © 1982.

引用

页码：1925 / 1935

页数：11

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