One of the most important goals in medicinal chemistry is the development of new heterocyclic compounds with pharmaceutical activity. Thus, a novel series of the derivatives of benzimidazole were synthesized and the structures of all the synthesized compounds have been confirmed by IR, 1 H- and 13C-NMR, Mass Spectroscopy and elemental analysis. The title compounds have been evaluated for antifu...

From the aerial parts of Tanacetum balsamita L. (Compositae) a flavonol aglycon was iso­lated using chromatographic techniques. The structure of this compound was determined using spectroscopic methods (UV, H-NMR and MS) as 3',4',5,7-Tetrahydroxy flavonol (Quercetin).

From the aerial parts of Tanacetum balsamita L. (Compositae) a flavonol aglycon was iso­lated using chromatographic techniques. The structure of this compound was determined using spectroscopic methods (UV, H-NMR and MS) as 3',4',5,7-Tetrahydroxy flavonol (Quercetin).

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from the aerial parts of tanacetum balsamita l. (compositae) a flavonol aglycon was iso­lated using chromatographic techniques. the structure of this compound was determined using spectroscopic methods (uv, h-nmr and ms) as 3',4',5,7-tetrahydroxy flavonol (quercetin).