title: An isoflavone from Pterocarpus santalinus.
abstract: A new isoflavone together with liquiritigenin and isoliquiritigenin has been isolated from the heartwood of Pterocarpus santalinus. Based on spectral methods, the structure of the new compound was elucidated as 6-hydroxy,7,2',4',5'-tetramethoxyisoflavone.
authors.affiliation: Department of Botany, School of Biological and Earth Sciences, Sri Venkateswara University, Tirupati, India. kvrao51@hotmail.com
authors.forename: K S
authors.initials: KS
authors.lastname: Krishnaveni
authors.forename: J V
authors.initials: JV
authors.lastname: Rao
mesh_terms: D002599:Chalcone / Q000031:analogs & derivatives / Q000737:chemistry / Q000302:isolation & purification; D047188:Chalcones; D044950:Flavanones; D005419:Flavonoids / Q000737:chemistry / Q000302:isolation & purification; D007529:Isoflavones / Q000737:chemistry / Q000302:isolation & purification*; D009682:Magnetic Resonance Spectroscopy; D010946:Plants, Medicinal / Q000737:chemistry*; D014197:Trees / Q000737:chemistry*
chemical_list: C411132:6-hydroxy-7,2',4',5'-tetramethoxyisoflavone; D047188:Chalcones; D044950:Flavanones; D005419:Flavonoids; D007529:Isoflavones; D002599:Chalcone; C040920:isoliquiritigenin; C083152:liquiritigenin