运用MCI Gel CHP-20、Sephadex LH-20、ODS、半制备高效液相等色谱技术,从姜皮正丁醇部位中分离得到3个二苯庚烷类化合物,通过MS和NMR波谱学技术鉴定其结构为:(2S,2'S,3R,3'R,4R,4'R,6R,6'R)-6,6'-bis((S)-1-hydrox...运用MCI Gel CHP-20、Sephadex LH-20、ODS、半制备高效液相等色谱技术,从姜皮正丁醇部位中分离得到3个二苯庚烷类化合物,通过MS和NMR波谱学技术鉴定其结构为:(2S,2'S,3R,3'R,4R,4'R,6R,6'R)-6,6'-bis((S)-1-hydroxy-2-(4-hydroxyphenyl)ethyl)-2,2'-bis(4-hydroxy-3-methoxyphenyl)octahydro-2H,2'H-[3,3'-bipyran]-4,4'-diol(1)、(E)-7-(4-hydroxy-3-methoxyphenyl)-1-(4-hydroxyphenyl)hept-4-en-3-one(2)和alpinin B(3),化合物1为新化合物,化合物2、3为首次从姜皮中分离得到。展开更多
运用Diaion HP-20、MCI Gel CHP-20、ODS、硅胶、反相半制备高效液相等多种色谱分离技术,从干姜中分离得到2个新的二苯庚烷类化合物,通过MS、UV、IR和NMR等波谱技术鉴定其结构分别为:3-酮-5R-乙氧基-1-(3-甲氧基-4-羟基苯基)-7-(3,4-二...运用Diaion HP-20、MCI Gel CHP-20、ODS、硅胶、反相半制备高效液相等多种色谱分离技术,从干姜中分离得到2个新的二苯庚烷类化合物,通过MS、UV、IR和NMR等波谱技术鉴定其结构分别为:3-酮-5R-乙氧基-1-(3-甲氧基-4-羟基苯基)-7-(3,4-二羟基苯基)庚烷(1)和3-酮-5R-乙氧基-1-(3-甲氧基-4-羟基苯基)-7-(3-甲氧基-4,5-二羟基苯基)庚烷(2),化合物1、2均为新化合物。展开更多
The bioassay was directed to the fractionation of the methanol extract of the rhizomes of Zingiber officinale Roscoe leading to the isolation of a new antioxidant cyclic diarylheptanoid. The structure of the new compo...The bioassay was directed to the fractionation of the methanol extract of the rhizomes of Zingiber officinale Roscoe leading to the isolation of a new antioxidant cyclic diarylheptanoid. The structure of the new compound was established as 1, 5-epoxy-3-hydroxy-1-(3,4-dihydroxy-5-methoxy-phenyl)-7-(3,4-dihydroxyphenyl) heptane (1) on the basis of MS, 1D and 2D-NMR experiments.展开更多
文摘运用MCI Gel CHP-20、Sephadex LH-20、ODS、半制备高效液相等色谱技术,从姜皮正丁醇部位中分离得到3个二苯庚烷类化合物,通过MS和NMR波谱学技术鉴定其结构为:(2S,2'S,3R,3'R,4R,4'R,6R,6'R)-6,6'-bis((S)-1-hydroxy-2-(4-hydroxyphenyl)ethyl)-2,2'-bis(4-hydroxy-3-methoxyphenyl)octahydro-2H,2'H-[3,3'-bipyran]-4,4'-diol(1)、(E)-7-(4-hydroxy-3-methoxyphenyl)-1-(4-hydroxyphenyl)hept-4-en-3-one(2)和alpinin B(3),化合物1为新化合物,化合物2、3为首次从姜皮中分离得到。
文摘运用Diaion HP-20、MCI Gel CHP-20、ODS、硅胶、反相半制备高效液相等多种色谱分离技术,从干姜中分离得到2个新的二苯庚烷类化合物,通过MS、UV、IR和NMR等波谱技术鉴定其结构分别为:3-酮-5R-乙氧基-1-(3-甲氧基-4-羟基苯基)-7-(3,4-二羟基苯基)庚烷(1)和3-酮-5R-乙氧基-1-(3-甲氧基-4-羟基苯基)-7-(3-甲氧基-4,5-二羟基苯基)庚烷(2),化合物1、2均为新化合物。
文摘The bioassay was directed to the fractionation of the methanol extract of the rhizomes of Zingiber officinale Roscoe leading to the isolation of a new antioxidant cyclic diarylheptanoid. The structure of the new compound was established as 1, 5-epoxy-3-hydroxy-1-(3,4-dihydroxy-5-methoxy-phenyl)-7-(3,4-dihydroxyphenyl) heptane (1) on the basis of MS, 1D and 2D-NMR experiments.
基金supported by National Key Science and Technology Special Project (No. 2009ZX09301-012)Program for Liaoning Excellent Talents in University (No.LR201037)~~
