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Revista Colombiana de Química
Print version ISSN 0120-2804On-line version ISSN 2357-3791
Abstract
MORENO-MURILLO, Bárbara et al. 3-O-a-L- RHAMNOPYRANOSILFLAVONOIDS AND OTHER PHENOLICS COMPOUNDS FROM Calliandra calothyrsus. MEISSNER LEAVES (MIMOSACEAE). Rev.Colomb.Quim. [online]. 2008, vol.37, n.3, pp.287-295. ISSN 0120-2804.
Chemical investigation of the polar extract from Calliandra calothyrsus. Meissner (Mimosaceae) (accession CIAT 22316) leaves, afforded two known glycosylflavonoids: 3-O-a-L-rhamnopiranosyl-7-metoxi-5,3’,4’-trihydroxyflavone and 3-O-a-L-rhamnopiranosyl -5,7, 3’,4’-tetrahydroxyflavone; their chemical identities were established by IR and 1D and 2D-NMR experiments. Furthermore gallic acid, dihydroxycumarine, trihydroxycumarine, dihydroquercetin, 3-O-a-L-rhamnopiranosyl-7-methoxy-5, 3’,4’-trihydroxyflavone, 3-O-a- L-rhamnopiranosyl- 5,7,3’,4’-tetrahydroxy flavone, quercetin, a flavonol and a gallic acid dimmers were identified using high resolution mass spectrometry by DART and ESI methods.
Keywords : Calliandra calothyrsus; Mimosaceae; glycosylflavonoids; DART; ESI.