期刊
CHEMICAL & PHARMACEUTICAL BULLETIN
卷 55, 期 4, 页码 655-657出版社
PHARMACEUTICAL SOC JAPAN
DOI: 10.1248/cpb.55.655
关键词
Caesalpinia millettii; tamarixetin; homoisoflavone; 8-methoxyisobonducellin; flavonol glycoside caffeiate ester
Chemical examination of the stems of Caesalpinia millettii HOOK. et ARN led to the isolation of new flavonol glycoside caffeiate ester (1) and homoisoflavone (2), along with four known homoisoflavones: eucomin (3), bonducellin (4), 8-methoxybonducellin (5) and intricatinol (6). The structures of 1 and 2 were established to be tamarixetin 3-O-(6 ''-O-E-caffeoyl)-beta-D-galactopyranoside (1) and (Z)-7-hydroxy-8-methoxy-3-(4-methoxybenzyl) chroman-4-one (2) on the basis of detailed analyses of physical, chemical, and spectral data. Compounds 3-6 were isolated from this plant for the first time.
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