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Revista Colombiana de Ciencias Químico - Farmacéuticas
Print version ISSN 0034-7418On-line version ISSN 1909-6356
Abstract
DE CARVALHO, Mario Geraldo; ROJAS CARDOZO, Maritza A; DA SILVA, Virginia Claudia and WERLE, Alceni Augusta. Triterpenes and flavonoids isolate from the flowers of Laseguea erecta (Apocynaceae). Rev. colomb. cienc. quim. farm. [online]. 2007, vol.36, n.2, pp.127-133. ISSN 0034-7418.
From the flowers of Laseguea erecta were isolated the lupeol, ursolic acid, quercetin (3,5,7,3',4'-pentahydroxyflavone) and 3-O-ß-L-arabinopyranosylquercetin. This is the first phytochemical study of this genera flowers'. The structures were established by the IR, 1H and 13C NMR (1D, 2D) spectral data analysis and by comparison with literature data.
Keywords : Laseguea erecta; Apocynaceae; flavonoids; ursolic acid; quercetin.