title: A biflavanone from Cycas beddomei.
abstract: A new biflavanone, 7,7"-di-O-methyltetrahydrohinokiflavone together with tetrahydrohinokiflavone were isolated from the stems of Cycas beddomei. The structures were established on the basis of spectral and chemical studies.
authors.affiliation: Department of Chemistry, Sri Venkateswara University, Tirupati, India.
authors.forename: B
authors.initials: B
authors.lastname: Jayaprakasam
authors.forename: A G
authors.initials: AG
authors.lastname: Damu
authors.forename: D
authors.initials: D
authors.lastname: Gunasekar
authors.forename: A
authors.initials: A
authors.lastname: Blond
authors.forename: B
authors.initials: B
authors.lastname: Bodo
mesh_terms: D044946:Biflavonoids; D005419:Flavonoids / Q000737:chemistry / Q000302:isolation & purification*; D009682:Magnetic Resonance Spectroscopy; D010936:Plant Extracts / Q000737:chemistry; D018520:Plant Shoots / Q000737:chemistry; D010946:Plants, Medicinal / Q000737:chemistry*
chemical_list: C410970:7,7''-di-O-methyltetrahydrohinokiflavone; D044946:Biflavonoids; D005419:Flavonoids; D010936:Plant Extracts