A new chromone derivative, 3-[1- (2, 4, 6-trihydroxyphenyl) 3-di-(4-hydroxyphenyl) 1-propanone-2-yl] 5,7-dihydroxy-8-di(4-hydroxyphenyl)methyl-4H-1-benzopyran-4-one, named as isomohsenone was isolated from the roots o...A new chromone derivative, 3-[1- (2, 4, 6-trihydroxyphenyl) 3-di-(4-hydroxyphenyl) 1-propanone-2-yl] 5,7-dihydroxy-8-di(4-hydroxyphenyl)methyl-4H-1-benzopyran-4-one, named as isomohsenone was isolated from the roots of Stellera chamaejasme L. together with known chamaechromone. Its structure was determined by the analysis of MS and NMR data, especially 2D NMR spectra.展开更多
Objective: To study the quinoline alkaloids from the ethanol extract of Scolopendra subspinipes mutilans(SSM).Methods: The chemical constituents were isolated and purified by macroporous resin column, medium pressure ...Objective: To study the quinoline alkaloids from the ethanol extract of Scolopendra subspinipes mutilans(SSM).Methods: The chemical constituents were isolated and purified by macroporous resin column, medium pressure preparation chromatography, and semi-preparative HPLC. Their structures were elucidated by IR,MS, and NMR experiments.Results: Three quinolone alkaloids were obtained and identified as 3-hydroxy-4-methoxyquinolin-8-yl hydrogen sulfate(1), jineol-8-sulfate(2), and jineol(3), respectively.Conclusion: Compound 1 is a new compound from SSM.展开更多
文摘A new chromone derivative, 3-[1- (2, 4, 6-trihydroxyphenyl) 3-di-(4-hydroxyphenyl) 1-propanone-2-yl] 5,7-dihydroxy-8-di(4-hydroxyphenyl)methyl-4H-1-benzopyran-4-one, named as isomohsenone was isolated from the roots of Stellera chamaejasme L. together with known chamaechromone. Its structure was determined by the analysis of MS and NMR data, especially 2D NMR spectra.
基金supported by the Special Project (No. 1811) for the Scientific & Technological Innovation and Development of Lanshan District, Linyi
文摘Objective: To study the quinoline alkaloids from the ethanol extract of Scolopendra subspinipes mutilans(SSM).Methods: The chemical constituents were isolated and purified by macroporous resin column, medium pressure preparation chromatography, and semi-preparative HPLC. Their structures were elucidated by IR,MS, and NMR experiments.Results: Three quinolone alkaloids were obtained and identified as 3-hydroxy-4-methoxyquinolin-8-yl hydrogen sulfate(1), jineol-8-sulfate(2), and jineol(3), respectively.Conclusion: Compound 1 is a new compound from SSM.