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6-(5-Carboxyl-2-methoxyphenyl)-apigenin(1),a new flavonoid,was isolated from the 60% ethanol extract of Selaginella uncinata(Desv.)Spring.Its structure was established by spectroscopic methods.Compound I represents the first example of the flavonoids possessing a benzoic acid substituent at C-6.
6- (5-Carboxyl-2-methoxyphenyl) -apigenin (1), a new flavonoid, was isolated from the 60% ethanol extract of Selaginella uncinata (Desv.) Spring. It structure was established by spectroscopic methods. Compound I represents the first example of the flavonoids possessing a benzoic acid substituent at C-6.