SESQUITERPENOIDS FROM THE LIVERWORT BAZZANIA-JAPONICA

被引：24

作者：

ASAKAWA, Y ^{[1
]}

TOYOTA, M ^{[1
]}

UEDA, A ^{[1
]}

TORI, M ^{[1
]}

FUKAZAWA, Y ^{[1
]}

机构：

[1] HIROSHIMA UNIV,FAC SCI,DEPT CHEM,NAKAKU,HIROSHIMA 770,JAPAN

来源：

PHYTOCHEMISTRY | 1991年 / 30卷 / 09期

关键词：

BAZZANIA-JAPONICA; JUNGERMANNIALES; HEPATICAE; CYCLOMYLTAYLAN-3-OL; CYCLOMYLTAYLYL-3-CAFFEATE; 2-HYDROXYCUPARENE; ALBICANOL; ALBICANYL ACETATE; ALBICANYL CAFFEATE; ISOBICYCLOGERMACRENAL; SESQUITERPENOIDS; SUPEROXIDE RELEASE INHIBITORY ACTIVITY; CHEMOSYSTEMATICS;

D O I：

10.1016/S0031-9422(00)98247-5

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：

Two new tetracyclic sesquiterpenoids, cyclomyltaylan-3-ol and its caffeate, have been isolated from the stem-leafy liverwort Bazzania japonica together with the previously known five sesquiterpenoids and their absolute stereostructures established by a combination of the H-1 and C-13 NMR spectral data as well as X-ray crystallographic analysis and CD spectrum. Bazzania japonica is divided into two chemo-types, cyclomyltaylane-type and cuparene-drimane-type. Cyclomyltaylyl-3-caffeate inhibited release of superoxide anions at IC50 7.5-mu-g ml-1.

引用

页码：3037 / 3040

页数：4

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