title: Two new isoprenyl chalcones from Hedysarum gmelinii.
abstract: Two new isoprenyl chalcones, 1-[2,4-dihydroxy-3-(2-hydroxy-3-methyl-3-butenyl)phenyl]-3-(2,2-dimethyl-2H-benzopyran-6-yl)-2-propen-1-one and 1-[4-hydroxy-2-(1-hydroxy-1-methyl-ethyl)-2,3-dihydro-benzofuran-5-yl]-3-[3-(3-methyl-2-butenyl)-4-hydroxy-phenyl]-2-propen-1-one, named hedysarumine A and hedysarumine B, along with a known isoprenyl chalcone paratocarpin E were isolated from the roots of Hedysarum gmelinii for the first time. Their structures were elucidated based on NMR and MS spectral analyses.
authors.affiliation: School of Pharmaceutical Sciences, Peking University, Department of Natural Medicines, Beijing, 100083, China.
authors.forename: Yi
authors.initials: Y
authors.lastname: Liu
authors.forename: Hu-Biao
authors.initials: HB
authors.lastname: Chen
authors.forename: Liang
authors.initials: L
authors.lastname: Qiao
authors.forename: Yu-Ying
authors.initials: YY
authors.lastname: Zhao
mesh_terms: D001572:Benzofurans / Q000737:chemistry / Q000302:isolation & purification*; D001578:Benzopyrans / Q000737:chemistry / Q000302:isolation & purification*; D047188:Chalcones / Q000737:chemistry / Q000302:isolation & purification*; D007887:Fabaceae / Q000737:chemistry*; D009682:Magnetic Resonance Spectroscopy; D015394:Molecular Structure; D021241:Spectrometry, Mass, Electrospray Ionization
chemical_list: C507481:1-(2,4-dihydroxy-3-(2-hydroxy-3-methyl-3-butenyl)phenyl)-3-(2,2-dimethyl-2H-benzopyran-6-yl)-2-propen-1-one; C507482:1-(4-hydroxy-2-(1-hydroxy-1-methyl-ethyl)-2,3-dihydro-benzofuran-5-yl)-3-(3-(3-methyl-2-butenyl)-4-hydroxy-phenyl)-2-propen-1-one; D001572:Benzofurans; D001578:Benzopyrans; D047188:Chalcones