In the present study,we aimed to investigate the chemical constituents from Embelia laeta.The constituents were separated by various column chromatography,including silica gel,ODS gel,MCI gel,Sephadex LH-20,and semipr...In the present study,we aimed to investigate the chemical constituents from Embelia laeta.The constituents were separated by various column chromatography,including silica gel,ODS gel,MCI gel,Sephadex LH-20,and semipreparative HPLC.Their structures were elucidated by spectroscopic means.A total of 13 compounds were isolated from E.laeta and identified as(6R,9R)-1-Oxo-α-ionol-9-O-β-D-goucopyranoside(1),(+)-Pinoresinol(2),Leptolepisol D(3),Kaempferol(4),Kaempferol-3-α-L-Ramnopyranoside(5),Kaempferol-3-β-D-(6-O-trans-p-coumaroyl) glucopyranoside(6),Bis(2-ethylhexyl) phthalate(7),2-Benzenedicarboxylic diisobutyl ester(8),Caffeic acid methyl ester(9),Paldehyde(10),Coniferaldehyde(11),Caffeic acid(12)and 5-Hydroxymethyl furfural(13),respectively.All the compounds were isolated from E.laeta for the first time.展开更多
文摘In the present study,we aimed to investigate the chemical constituents from Embelia laeta.The constituents were separated by various column chromatography,including silica gel,ODS gel,MCI gel,Sephadex LH-20,and semipreparative HPLC.Their structures were elucidated by spectroscopic means.A total of 13 compounds were isolated from E.laeta and identified as(6R,9R)-1-Oxo-α-ionol-9-O-β-D-goucopyranoside(1),(+)-Pinoresinol(2),Leptolepisol D(3),Kaempferol(4),Kaempferol-3-α-L-Ramnopyranoside(5),Kaempferol-3-β-D-(6-O-trans-p-coumaroyl) glucopyranoside(6),Bis(2-ethylhexyl) phthalate(7),2-Benzenedicarboxylic diisobutyl ester(8),Caffeic acid methyl ester(9),Paldehyde(10),Coniferaldehyde(11),Caffeic acid(12)and 5-Hydroxymethyl furfural(13),respectively.All the compounds were isolated from E.laeta for the first time.
