Macrocarposide, a new isoflavanone c-glucoside from Pterocarpus macrocarpus heart wood.
Chemistry Department, Ramjas College, University of Delhi, Delhi-110007, India.Planta Medica (Impact Factor: 2.15). 09/1986; DOI: 10.1055/s-2007-969163
Macrocarposide has been isolated for the first time as a natural product from the heartwood of Pterocarpus macrocarpus along with some known compounds. Based on its spectral and chemical evidence, it has been assigned the structure dalbergioidin-6- C-glucoside ( 1).
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ABSTRACT: Two isoflavanones (5,7-dihydroxy-2',3',4'-trimethoxy-isoflavanone and 5,7-dihydroxy-2'-methoxy-3',4'-methylenedioxy-isoflavanone), four isoflavanone O-glycosides (5,7-dihydroxy-2',3',4'-trimethoxy-isoflavanone 7-O-beta-glucopyranoside, 5,7-dihydroxy-2'-methoxy-3',4'-methylenedioxy-isoflavanone 7-O-beta-glucopyranoside, 5,7-dihydroxy-2',4'-dimethoxy-isoflavanone 7-O-beta-glucopyranoside, and 5,7,4'-trihydroxy-2',3'-dimethoxy-isoflavanone 7-O-beta-glucopyranoside), and a coumaronochromone (3,5,7,4'-tetrahydroxy-coumaronochromone), along with 25 known compounds, were isolated from the aerial parts of Desmodium styracifolium. This is for the first time isoflavanone O-glycosides were isolated from a natural source.Phytochemistry 06/2007; 68(10):1471-9. DOI:10.1016/j.phytochem.2007.02.015 · 2.55 Impact Factor
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