期刊
CHEMICAL & PHARMACEUTICAL BULLETIN
卷 57, 期 6, 页码 628-631出版社
PHARMACEUTICAL SOC JAPAN
DOI: 10.1248/cpb.57.628
关键词
Bauhinia glauca subsp pernervosa; flavonoid; 6-methyl homoeriodictyol; bauhiniaside A; bauhiniasin
资金
- National Natural Science Foundation of China [20872007]
Seven flavonoids were isolated from Bauhinia glauca subsp. pernervosa, and their structures were elucidated as 6-methyl homoeriodictyol (1), bauhiniaside A (2), bauhiniasin (3), 2',4'-dihydroxy-4-methoxydihydrochalcone-4'-O-beta-D-glucopyranoside (4), farrerol (5), homoeriodictyol (6), and 2',4'-dihydroxy-4-methoxydihydrochalcone (7) on the basis of spectroscopic analysis. Compounds 1, 2 and 3 are new flavonoids, compound 4 is a new natural product, its NMR data is reported for the first time. Compounds 5 and 7 were isolated from the genus Bauhinia for the first time, and compound 6 was isolated from the plant for the first time.
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