title: New xanthones from Psorospermum febrifugum.
abstract: The isolation and structural determination of two new xanthone derivatives, 1,2,4-trimethoxy-3,8-dihydroxyxanthone, 1,2,4-trimethoxy-3-hydroxyxanthone and a known 2-methoxy-3-hydroxyxanthone from Psorospermum febrifugum var. ferrugineum are reported. The structures were elucidated by extensive analysis of 1H and 13C nmr, ms, and chemical correlations.
authors: Department of Medicinal Chemistry and Pharmacognosy, School of Pharmacy and Pharmacal Sciences, Purdue University, West Lafayette, Indiana 47907.
authors: A M
authors: AM
authors: Habib
authors: K S
authors: KS
authors: Reddy
authors: T G
authors: TG
authors: McCloud
authors: C J
authors: CJ
authors: Chang
authors: J M
authors: JM
authors: Cassady
mesh_terms: D006586:Hexanes / Q000032:analysis; D010946:Plants, Medicinal / Q000032:analysis*; D013057:Spectrum Analysis; D014966:Xanthenes / Q000302:isolation & purification*; D044004:Xanthones
chemical_list: D006586:Hexanes; D014966:Xanthenes; D044004:Xanthones; C009689:xanthone