Literature DB >> 12877920

Flavanoids from Caesalpinia pulcherrima.

K V N S Srinivas1, Y Koteswara Rao, I Mahender, Biswanath Das, K V S Rama Krishna, K Hara Kishore, U S N Murty.   

Abstract

Two new flavanoids, 5,7-dimethoxy-3',4'-methylenedioxyflavanone and isobonducellin along with 2'-hydroxy-2,3,4',6'-tetramethoxychalcone, 5,7-dimethoxyflavone and bonducellin were isolated from the aerial parts of Caesalpinia pulcherrima. The structures of the compounds were settled mainly by interpretation of their 1D and 2D NMR spectra. Isobonducellin was found to be a homoisoflavanoid containing a cis (Z)-double bond. Antimicrobial activity of the new compounds was evaluated.

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Year:  2003        PMID： 12877920     DOI： 10.1016/s0031-9422(03)00325-x

Source DB:  PubMed          Journal:  Phytochemistry        ISSN： 0031-9422            Impact factor:   4.072


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