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Water → 4-[(4-methylthiophenyl)methyl]-3-(2,3,4,6-tetra-O-acetyl-beta-D-glucopyranosyloxy)-5-tri-fluoromethyl-1H-pyrazole

HRID 33115
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HRID 33115 반응식
[CH3:1][S:2][C:3]1[CH:8]=[CH:7][C:6]([CH2:9][C:10]2[C:11](=[O:19])[NH:12][NH:13][C:14]=2[C:15]([F:18])([F:17])[F:16])=[CH:5][CH:4]=1.[CH3:20][C:21]([O:23][CH2:24][C@H:25]1[O:30][C@H:29](Br)[C@H:28]([O:32][C:33]([CH3:35])=[O:34])[C@@H:27]([O:36][C:37]([CH3:39])=[O:38])[C@@H:26]1[O:40][C:41]([CH3:43])=[O:42])=[O:22].C(=O)([O-])[O-].[K+].[K+].O>C(#N)C>[CH3:1][S:2][C:3]1[CH:8]=[CH:7][C:6]([CH2:9][C:10]2[C:11]([O:19][C@@H:29]3[O:30][C@H:25]([CH2:24][O:23][C:21](=[O:22])[CH3:20])[C@@H:26]([O:40][C:41](=[O:42])[CH3:43])[C@H:27]([O:36][C:37](=[O:38])[CH3:39])[C@H:28]3[O:32][C:33](=[O:34])[CH3:35])=[N:12][NH:13][C:14]=2[C:15]([F:18])([F:17])[F:16])=[CH:5][CH:4]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 962WaterHCID 11430Potassium CarbonateHCID 101776alpha-D-Glucopyranosyl bromide, tetraacetateHCID 98607281,2-dihydro-4-((4-(methylthio)phenyl)methyl)-5-(trifluoromethyl)-3H-pyrazol-3-one

생성물 1

HCID 120717124-[(4-methylthiophenyl)methyl]-3-(2,3,4,6-tetra-O-acetyl-beta-D-glucopyranosyloxy)-5-tri-fluoromethyl-1H-pyrazole수율 46.6%

시약·촉매·용매 1

HCID 6342Acetonitrile용매

실험 절차

To a solution of 1,2-dihydro-4-[(4-methylthiophenyl)-methyl]-5-trifluoromethyl-3H-pyrazol-3-one (2.0 g) in acetonitrile (100 mL) were added acetobromo-α-D-glucose (3.1 g) and potassium carbonate (1.1 g), and the mixture was stirred at room temperature overnight. Water was added to the reaction mixture, and the resulting mixture was extracted with ethyl acetate. The organic layer was washed with a saturated aqueous sodium hydrogen carbonate solution and brine and dried over anhydrous magnesium sulfate. The solvent was removed under reduced pressure, and the residue was purified by column chromatography on silica gel (eluent: hexane/ethyl acetate=1/1) to give 4-[(4-methylthiophenyl)methyl]-3-(2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyloxy)-5-trifluoromethyl-1H-pyrazole (2.0 g).

후처리

  1. extractionthe resulting mixture was extracted with ethyl acetate
  2. washThe organic layer was washed with a saturated aqueous sodium hydrogen carbonate solution and brine
  3. dry with materialdried over anhydrous magnesium sulfate
  4. customThe solvent was removed under reduced pressure
  5. customthe residue was purified by column chromatography on silica gel (eluent: hexane/ethyl acetate=1/1)

출처 및 근거

ORD 기록
ord-c0b0124759c844258fcc91bd9de16115
출처 데이터셋
uspto-grants-2008_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07429568B2

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