Aureol and Phaseol , Two New Coumestans from Phaseolus aureus Roxb

In addition to the isoflavonoid phytoalexins re­ ported earlier [1], the mung bean, Phaseolus aureus, produces coumestrol ( 1 ) and two novel coumestans, aureol (2) and phaseol (3). Coumestrol has been isolated from this plant previously [2 ] and the present communication describes the isolation and structural characterization of the latter two com­ pounds… CONTINUE READING