Homoisoflavonoids from Ophiopogon japonicus Ker-Gawler

被引:59
作者
Anh, NTH
Van Sung, T
Porzel, A
Franke, K
Wessjohann, LA [1 ]
机构
[1] Inst Plant Biochem, D-06120 Halle An Der Saale, Germany
[2] Natl Ctr Nat Sci & Technol, Inst Chem, Hanoi, Vietnam
关键词
Ophiopogon japonicus; Liliaceae; homoisoflavonoids;
D O I
10.1016/S0031-9422(02)00515-0
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 ethyl acetate extract of the tuberous roots of Ophiopogon japonicus (Liliaceae) eight known and five new homoisoflavonoidal compounds were isolated. The new compounds are 5,7-dihydroxy-8-methoxy-6-methyl-3-(2'-hydroxy-4'-methoxybenzyl)chroman-4-one (1), 7-hydroxy-5,8-dimethoxy-6-methyl-3-(2'-hydroxy-4'-methoxybenzyl)chroman-4-one (2), 5,7-dihydroxy-6,8-dimethyl-3-(4'-hydroxy-3'-methoxybenzyl)chroman-4-one (3), 2,5,7-trihydroxy-6,8-dimethyl-3-(3',4'-methylenedioxybenzyl)chroman-4-one (4) and 2,5,7-trihydroxy-6,8-dimethyl-3-(4-methoxybenzyl)chroman-4-one (5). Their structures have been elucidated by mass and NMR spectroscopy. Compounds 4 and 5 are the first isolated homoisoflavonoids with a hemiacetal function at position 2. (C) 2003 Published by Elsevier Science Ltd.
引用
收藏
页码:1153 / 1158
页数:6
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