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Water → 1-(benzyloxy-carbonyl)-3-(6-O-ethoxycarbonyl-beta-D-glucopyranosyloxy)-4-((4-isopropoxyphenyl)methyl]-5-methylpyrazole

HRID 6657
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HRID 6657 반응식
[CH2:1]([O:8][C:9]([N:11]1[C:15]([CH3:16])=[C:14]([CH2:17][C:18]2[CH:23]=[CH:22][C:21]([O:24][CH:25]([CH3:27])[CH3:26])=[CH:20][CH:19]=2)[C:13]([O:28][C@@H:29]2[O:37][C@H:36]([CH2:38][OH:39])[C@@H:34]([OH:35])[C@H:32]([OH:33])[C@H:30]2[OH:31])=[N:12]1)=[O:10])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.Cl[C:41]([O:43][CH2:44][CH3:45])=[O:42].O.O.C(O)(=O)CC(CC(O)=O)(C(O)=O)O>CC1C=C(C)C=C(C)N=1>[CH2:1]([O:8][C:9]([N:11]1[C:15]([CH3:16])=[C:14]([CH2:17][C:18]2[CH:19]=[CH:20][C:21]([O:24][CH:25]([CH3:27])[CH3:26])=[CH:22][CH:23]=2)[C:13]([O:28][C@@H:29]2[O:37][C@H:36]([CH2:38][O:39][C:41]([O:43][CH2:44][CH3:45])=[O:42])[C@@H:34]([OH:35])[C@H:32]([OH:33])[C@H:30]2[OH:31])=[N:12]1)=[O:10])[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1
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참가 물질

6

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HCID 962WaterHCID 10928Ethyl chloroformateHCID 222302-Hydroxy-1,2,3-propanetricarboxylic acid hydrate (1:1)HCID 673349881-(benzyloxycarbonyl)-3-(beta-D-gluco-pyranosyloxy)-4-[(4-isopropoxyphenyl)methyl]-5-methyl-pyrazole

생성물 1

HCID 235431641-(benzyloxy-carbonyl)-3-(6-O-ethoxycarbonyl-beta-D-glucopyranosyloxy)-4-((4-isopropoxyphenyl)methyl]-5-methylpyrazole

시약·촉매·용매 1

HCID 79532,4,6-Trimethylpyridine용매

실험 절차

To a solution of 1-(benzyloxycarbonyl)-3-(β-D-glucopyranosyloxy)-4-[(4-isopropoxyphenyl)methyl]-5-methylpyrazole (0.20 g) in 2,4,6-trimethylpyridine (4 mL) was added ethyl chloroformate (0.092 mL), and the mixture was stirred at room temperature for 1 day. To the reaction mixture were added water and citric acid monohydrate, and the resulting mixture was extracted with ethyl acetate. The organic layer was washed with water, dried over anhydrous magnesium sulfate, and the solvent was removed under reduced pressure. The residue was purified by column chromatography on silica gel (eluent: dichloromethane/methanol=10/1) to give 1-(benzyloxycarbonyl)-3-(6-O-ethoxycarbonyl-β-D-glucopyranosyloxy)-4-[(4-isopropoxyphenyl)methyl]-5-methylpyrazole (0.17 g).

후처리

  1. extractionthe resulting mixture was extracted with ethyl acetate
  2. washThe organic layer was washed with water
  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: dichloromethane/methanol=10/1)

출처 및 근거

ORD 기록
ord-98f3503a6a674d06900034c5fded6da5
출처 데이터셋
uspto-grants-2006_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07084123B2

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