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Note | Regular issue | Vol 75, No. 3, 2008, pp.645-653
Published online, 14th December, 2007
DOI: 10.3987/COM-07-11184
Flavonoidal C-Glycosides from Abutilon pakistanicum

Munawar Hussain, Durey Nayab Zahra, Abdul Malik, Asam Ejaz, Hina Siddiqui, Muhammad Iqbal Choudary, and Zaheer Ahmed*

*International Center for Chemical and Biological Sciences, H. E. J. Research Institute of Chemistry, University of Karachi, Karachi-75270, Pakistan

Abstract

Two new flavonoidal C-glycosides provisionally named as pakistoside A (1) and pakistoside B (2) have been isolated from the aerial parts of Abutilon pakistanicum. Their structures have been assigned through detailed spectral analyses including 2D-NMR techniques. In addition kaempferol, kaempferol-3-O-α-L-rhamnopyranoside and luteolin are isolated for the first time from this plant.