title: A new prenylisoflavone from Ulex jussiaei.
abstract: A new naturally occurring isoflavone, derrone, was isolated from Ulex jussiaei (Leguminosae) together with the isoflavones ulexins A-C, lupalbigenin, isolupalbigenin, 7-O-methylso-lupalbigenin, isoderrone, ulexone A and isochandalone, the pterocarpans (6aR,11aR)-(-)-maackiain, (6aR,11aR)-(-)-2-methoxymaackiain and (6aR,11aR)-(-)-4-methoxymaackiain, the chalcone 4-hydroxylonchocarpine and the dihydrochalcone crotaramosmine. The antifungal activity of the new compound was tested by a bioautographic method against Cladosporium cucumerinum, and as expected from structural features it proved to have no activity.
authors.affiliation: REQUIMTE/CQFB, Departamento de Quimica, FCT, Universidade Nova de Lisboa, Caparica, Portugal.
authors.forename: Patrícia
authors.initials: P
authors.lastname: Máximo
authors.forename: Ana
authors.initials: A
authors.lastname: Lourenço
authors.forename: Sónia Savluchinske
authors.initials: SS
authors.lastname: Feio
authors.forename: José Carlos
authors.initials: JC
authors.lastname: Roseiro
mesh_terms: D007887:Fabaceae / Q000737:chemistry*; D007529:Isoflavones / Q000737:chemistry* / Q000302:isolation & purification; D009682:Magnetic Resonance Spectroscopy; D008968:Molecular Conformation; D011174:Portugal; D021241:Spectrometry, Mass, Electrospray Ionization
chemical_list: D007529:Isoflavones; C451307:ulexin C