title: Rare prenylated flavonoids from Tephrosia purpurea.
abstract: Chemical investigations of aerial parts of Tephrosia purpurea yielded the rare prenylated flavonoids, tephropurpulin A (1) and isoglabratephrin (2), in addition to a previously identified flavonoid, glabratephrin (3). Structures were established by 1D and 2D NMR spectroscopy, as well as by HR-MS analysis; for compounds 2 and 3, structures were confirmed by X-ray analysis.
authors.affiliation: Chemistry of Medicinal Plant Department, National Research Centre, Dokki, Giza 12622, Egypt.
authors.forename: Mohamed-Elamir F
authors.initials: ME
authors.lastname: Hegazy
authors.forename: Mohamed H
authors.initials: MH
authors.lastname: Abd el-Razek
authors.forename: Fumihiro
authors.initials: F
authors.lastname: Nagashima
authors.forename: Yoshinori
authors.initials: Y
authors.lastname: Asakawa
authors.forename: Paul W
authors.initials: PW
authors.lastname: Paré
mesh_terms: D005419:Flavonoids / Q000737:chemistry / Q000302:isolation & purification*; D015394:Molecular Structure; D035261:Plant Components, Aerial; D010936:Plant Extracts / Q000737:chemistry / Q000302:isolation & purification*; D054876:Prenylation; D031304:Tephrosia / Q000737:chemistry*
chemical_list: D005419:Flavonoids; D010936:Plant Extracts; C546075:isoglabratephrin; C546074:tephropurpulin A