Phytochemistry p. 2625 - 2626 (1983)
Update date:2022-08-11
Topics:
Chawla, H. Mohindra
Mittal, Ram S.
From the ether soluble portion of a methanolic extract of young non-green branches of Dalbergia volubilis, sitosterol, 7-hydroxy-4-methyl-2H-1-benzopyran-2-one, dalbergin, p-hydroxy cinnamic acid, biochanin-A and a new 4-phenylcoumarin, volubolin, have been isolated.The structure of volubolin as 7-hydroxy-4-(3-hydroxy-4-methoxy-phenyl)-2H-1-benzopyran-2-one has been established on the basis of spectral and chemical evidence.Cooccurrence of 4-methyl- and 4-phenyl-coumarins with isoflavones is of biogenetic interest. - Key Word Index: Dalbergia volubilis; Leguminosae; young branches; 7-hydroxy-4-methyl coumarin; dalbergin; biochanin-A; 7-hydroxy-4-(3-hydroxy-4-methoxyphenyl)-2H-1-benzopyran-2-one.
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