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1. (Article ID: 11716)
Faizi S, Ali M
Shamimin: a new flavonol C-glycoside from leaves of Bombax ceiba
Planta Medica 65(4) (1999)
383-385
Shamimin a new flavonol C-glycoside has been isolated as a pale yellow powder from the ethanolic extract of fresh, undried leaves of Bombax ceiba. Its structure has been elucidated as 2-(2,4,5-trihydroxyphenyl)-3,5,7-trihydroxy-6-C-glucopyranosyloxy-4H-1-benzopyran-4-one through extensive spectroscopic methods (IR, mass, 1H- and 13C-NMR), and 2D-NMR experiments. Shamimin showed antimicrobial activity against a few bacteria and fungi.
structure elucidation, flavonol glycoside, Bombax ceiba
NCBI PubMed ID: 10364851Publication DOI: 10.1055/s-2006-960796Journal NLM ID: 0066751Publisher: George Thieme
Correspondence: khi.comsats.net.pk>
Institutions: H.E.J. Research Institute of Chemistry, University of Karachi, Karachi, Pakistan
Methods: 13C NMR, 1H NMR, EI-MS, FAB-MS, TLC, optical rotation measurement, FD-MS, antibacterial assay, antifungal activity test
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