A 4-[6,7-dimethoxybenzopyranyl]5-[4-hydroxy-2-isopropyl benzofuranyl]ketone obtained by catalytic hydrogenation of rotenone

0009-3130/10/4605-0795 2010 Springer Science+Business Media, Inc. 1) UMR Qualitrop UFR SEN Campus de Fouillole, Universite des Antilles-Guyane F97159 Pointe-a-Pitre, Guadeloupe, F. W. I.; 2) Laboratoire PhyValBio, Universite de Bordeaux I, 33405 Talence Cedex Fance, fax:+590 938 787, e-mail: philippe.petit@univ-ag.fr. Published in Khimiya Prirodnykh Soedinenii, No. 5, pp. 669–670, September–October, 2010. Original article submitted May 5, 2009. Chemistry of Natural Compounds, Vol. 46, No. 5, 2010