摘要
目的研究地榆Sanguisorba officinalis水溶性化学成分。方法采用大孔树脂(D101、HP-20)、透析袋、Toyopearl HW-40、反相硅胶RP18等柱色谱方法进行分离纯化,并运用1H-NMR、~(13)C-NMR、ESI-MS等多种波谱方法对化合物进行结构鉴定。结果从地榆10%乙醇部位中分离并鉴定了25个化合物,分别为4-(4′-hydroxyphenyl)-2-butanone-4′-O-β-Dglucopyranoside(1)、phenethanol-β-vicianoside(2)、junipetrioloside A(3)、citroside A(4)、corchoionoside C(5)、adenosine(6)、tryptophan(7)、tachinoside(8)、d-mandelicacid-β-D-glucopyranoside(9)、(+)-(7S,8S)-guaiacylglycerol8-O-β-Dglucopyranoside(10)、biophenol(11)、3,5-dihydroxyphenethyl alcohol 3-O-β-glucopyranoside(12)、syringin(13)、(2E,5E)-3,7-dimethyl-2,5-octadiene-1,7-diol(14)、(±)-3-hydroxy-3,7-dimethyloct-6-enoic acid(15)、(2Z)-2,6-dimethyl-2,7-octadiene-1,6-diol(16)、phlorizin(17)、(+)-cyclo-olivil-6-O-β-D-glucopyranoside(18)、5′-methoxy-8′-hydroxyl-(+)-isolariciresinol-4′-O-β-Dglucopyranoside(19)、phenethyl-6-O-α-L-arabinofuranosyl-β-D-glucoside(20)、gaultherin(21)、benzyl-O-α-L-rhamnopyranosyl-(1→6)-β-D-glucopyranoside (22)、(2E)-7-hydroxy-3,7-dimethyl-2-octenyl-6-O-α-L-arabinofuranosyl-β-D-glucopyranoside (23)、3,3′,4′-tri-O-methylellagic acid(24)、methyl-4-(β-D-glucopyranosyloxy)-3-hydroxy-5-methoxybenzoate(25)。结论化合物1~22为首次从该植物中分离得到。
Objective To study the chemical constituents in extract of Sanguisorba officinalis. Methods Compounds were isolated from 10% ethanol extracts by Macroporous resin(D101, HP-20), dialysis bag, reversed phase silica gel(RP-8, RP-18), Toyopearl HW-40 column chromatography and their structures were elucidated by NMR and MS data. Results Twenty-five compounds were isolated and their structures were elucidated as 4-(4′-hydroxyphenyl)-2-butanone-4′-O-β-D-glucopyranoside(1), phenethanol-β-vicianoside(2), junipetrioloside A(3), citroside A(4), corchoionoside C(5), adenosine(6), tryptophan(7), tachinoside(8), d-mandelic acid-β-D-glucopyranoside(9),(+)(7 S,8 S)-guaiacylglycerol 8-O-β-D-glucopyranoside(10), biophenol(11), 3,5-dihydroxyphenethyl alcohol 3-O-β-glucopyranoside(12), syringin(13),(2 E,5 E)-3,7-dimethyl-2,5-octadiene-1,7-diol(14),(±)-3-hydroxy-3,7-dimethyloct-6-enoic acid(15),(2 Z)-2,6-dimethyl-2,7-octadiene-1,6-diol(16), phlorizin(17),(+)-cyclo-olivil 6-O-β-D-glucopyranoside(18),5′-methoxy-8′-hydroxyl-(+)-isolariciresinol-4′-O-β-D-gluco-pyranoside(19), phenethyl 6-O-α-L-arabinofuranosyl-β-D-glucoside(20), gaultherin(21), benzyl-O-α-L-rhamnopyranosyl-(1→6)-β-D-glucopyranoside(22),(2 E)-7-hydroxy-3,7-dimethyl-2-octenyl6-O-α-L-arabinofuranosyl-β-D-glucopyranoside(23), 3,3′,4′-tri-O-methylellagic acid(24), and methyl-4-(β-D-glucopyranosyloxy)-3-hydroxy-5-methoxybenzoate(25). Conclusion Compounds 1—22 were isolated from this plant for the first time.
引文
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