STUDIES OF AUSTRALIAN SOFT CORALS .42. STRUCTURE DETERMINATION OF NEW BRIARAN DERIVATIVES FROM BRIAREUM-STECKEI (COELENTERATA, OCTOCORALLIA, GORGONACEA)

被引：23
作者：
BOWDEN, BF
COLL, JC
PATALINGHUG, W
SKELTON, BW
VASILESCU, I
WHITE, AH
机构：
[1] JAMES COOK UNIV N QUEENSLAND, DEPT CHEM & BIOCHEM, TOWNSVILLE, QLD 4811, AUSTRALIA
[2] UNIV WESTERN AUSTRALIA, DEPT PHYS & INORGAN CHEM, NEDLANDS, WA 6009, AUSTRALIA
来源：
AUSTRALIAN JOURNAL OF CHEMISTRY | 1987年 / 40卷 / 12期
关键词：
D O I：
10.1071/CH9872085
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The structure and relative stereochemistry of four new metabolites from Briareum steckei has been deduced from 2D-n.m.r. experiments at high field, and confirmed by a single-crystal X-ray determination of a minor metabolite. The new compounds are non-halogenated briaran derivatives: (1 R*,2S*,3R*,5Z,7S*,8(17)Z,10R*,11R*,12S*,14S*)-3,14-diacetoxy-11,12-epoxy-18-oxobriara-5,8(17)-dien-2-yl butanoate (3), its 3-deacetoxy derivative (4), (1R*,2R*,4R*,5Z,7S*,8(17)Z,10R*,11R*,12S*,14S*)-4,14-diacetoxy-11,12-epoxy-18-oxobraria-5,8(17)-dien-2-yl butanoate (5) and the related 2-propanoate (6). Single-crystal X-ray determinations were performed on (5) and (6).
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页码：2085 / 2096
页数：12
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