Guaiane dimers from Xylopia vielana

被引：29
作者：
Kamperdick, C
Phuong, NM
Van Sung, T
Adam, G
机构：
[1] Inst Plant Biochem, D-06120 Halle, Germany
[2] Natl Ctr Nat Sci & Technol Vietnam, Inst Chem, Hanoi, Vietnam
来源：
PHYTOCHEMISTRY | 2001年 / 56卷 / 04期
关键词：
Xylopia vielana; annonaceae; vielanins A-C; sesquiterpenoids; guaiane dimers; cyclobutanes;
D O I：
10.1016/S0031-9422(00)00344-7
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：
From the leaves of Xylopia vielana (Annonaceae) the three dimeric guaianes vielanin A-C were isolated and structurally elucidated by mass and NMR spectroscopy as 1-3. The structure of I contains a bridged ring system formed probably via a Diels-Alder reaction of two different guaiane monomers. Compounds 2 and 3 represent symmetric cyclobutanes formally generated from two equal guaiane moieties by [2 + 2] cycloaddition. (C) 2001 Elsevier Science Ltd. All rights reserved.
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页码：335 / 340
页数：6
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