Department of Chemistry, UP Autonomous College, Varanasi–221 002, India.
An isoflavone and isoflavone glycoside has been isolated from the heartwood of Pterocarpus marsupium. On the basis of chemical and spectral analysis (UV, IR, EIMS, 1H and 13CNMR) compounds were identified as 6, 7, 3', 4' tetramethoxy isoflavone and 2', 4', 5' trimethoxy isoflavone 6–0 rutinoside.
Pterocarpus marsupium, Papilionaceae, Bijaysar, isoflavone 6, 7, 3', 4' tetramethoxy isoflavone and isoflavone glycoside 2', 4', 5' trimethoxy isoflavone-60-rutinoside