ERYTHRINA STUDIES .25. AN ISOFLAVANONE AND A COUMESTAN FROM ERYTHRINA-SIGMOIDEA

被引：31

作者：

NKENGFACK, AE

KOUAM, J

VOUFFO, TW

MEYER, M

TEMPESTA, MS

FOMUM, ZT

机构：

[1] UNIV YAOUNDE 1,DEPT ORGAN CHEM,YAOUNDE,CAMEROON

[2] MUSEUM NATL HIST NAT,CHIM LAB,F-75005 PARIS,FRANCE

[3] UNIV MISSOURI,DEPT CHEM,COLUMBIA,MO 65211

来源：

PHYTOCHEMISTRY | 1994年 / 35卷 / 02期

关键词：

ERYTHRINA SIGMOIDEA; LEGUMINOSAE; ROOTS; WOOD; PRENYLATED CHALCONE; PRENYLATED; ISOFLAVONE; PRENYLATED FLAVANONE; PTEROCARPANS; ISOFLAVANONE; COUMESTAN;

D O I：

10.1016/S0031-9422(00)94794-0

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 [生物化学与分子生物学]; 081704 [应用化学];

摘要：

Analysis of the root bark and stem wood of Erythrina sigmoidea led to the isolation of a novel isoflavanone named sigmoidin H and a new coumestan, 4-hydroxycoumestrol, in addition to the known flavonoids abyssinone IV, abyssinone VI, erythrabyssin II, phaseollin, neobavaisoflavone, scandenone and 6,8-diprenylgenistein. The structures of these compounds were established by means of spectroscopic analyses and chemical evidence. Neobavaisoflavone exhibited significant antibacterial potency in vitro against Staphylococcus aureus.

引用

页码：521 / 526

页数：6

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