Bibenzyl derivatives from the orchid Dendrobium amoenum

被引:75
作者
Majumder, PL [1 ]
Guha, S [1 ]
Sen, S [1 ]
机构
[1] Univ Calcutta, Univ Coll Sci, Dept Chem, Calcutta 700009, W Bengal, India
关键词
Dendrobium amoenum; Orchidaceae; amoenylin; isoamoenylin; moscatilin and 3,4 '-dihydroxy-5-methoxybibenzyl; bibenzyl derivatives; amotin and amoenin; sesquiterpenes; flaccidin; 9,10-dihydrophenanthropyran derivative;
D O I
10.1016/S0031-9422(99)00370-2
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
Reinvestigation of the orchid Dendrobium amoenum afforded two new bibenzyl derivatives, amoenylin and isoamoenylin, and their known structural analogues, 3,4'-dihydroxy-5-methoxybibenzyl and 4,4'-dihydroxy-3,3 ',5-trimethoxybibenzyl (moscatilin), besides the sesquiterpenoids, amotin, amoenin and flaccidin reported earlier from this orchid. The structures of amoenylin and isoamoenylin were established as 4-hydroxy-3,4',5-trimethoxybibenzyl and 3'-hydroxy-3,4,5-trimethoxybibenzyl, respectively, mainly from spectral evidence. (C) 1999 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:1365 / 1369
页数:5
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