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

HRID 6663
Notes
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Reaction equation

HRID 6663 reaction equation
C(OC([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][O:39][C:40]([O:42][CH2:43][CH3:44])=[O:41])[C@@H:34]([OH:35])[C@H:32]([OH:33])[C@H:30]2[OH:31])=[N:12]1)=O)C1C=CC=CC=1>O1CCCC1.[C].[Pd]>[CH2:43]([O:42][C:40]([O:39][CH2:38][C@H:36]1[O:37][C@@H:29]([O:28][C:13]2[C:14]([CH2:17][C:18]3[CH:23]=[CH:22][C:21]([O:24][CH:25]([CH3:26])[CH3:27])=[CH:20][CH:19]=3)=[C:15]([CH3:16])[NH:11][N:12]=2)[C@H:30]([OH:31])[C@@H:32]([OH:33])[C@@H:34]1[OH:35])=[O:41])[CH3:44]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 1

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

Product 1

HCID 235431683-(6-O-ethoxycarbonyl-beta-D-glucopyranosyloxy)-4-[(4-isopropoxyphenyl)methyl]-5-methyl-1H-pyrazole

Reagents, catalysts & solvents 2

HCID 178418390HCID 178418390, compoundCatalystHCID 8028TetrahydrofuranSolvent

Procedure

To a solution of 1-(benzyloxycarbonyl)-3-(6-O-ethoxycarbonyl-β-D-glucopyranosyloxy)-4-[(4-isopropoxyphenyl)methyl]-5-methylpyrazole (0.17 g) in tetrahydrofuran (4 mL) was added 10% palladium-carbon powder, and the mixture was stirred under hydrogen atmosphere at room temperature for 3 hours. The resulting insoluble material was removed by filtration, and the solvent of the filtrate was removed under reduced pressure. The residue was purified by column chromatography on silica gel (eluent: dichloromethane/methanol=10/1) to give 3-(6-O-ethoxycarbonyl-β-D-glucopyranosyloxy)-4-[(4-isopropoxyphenyl)methyl]-5-methyl-1H-pyrazole (00.10 g).

Workup

  1. customThe resulting insoluble material was removed by filtration
  2. customthe solvent of the filtrate was removed under reduced pressure
  3. customThe residue was purified by column chromatography on silica gel (eluent: dichloromethane/methanol=10/1)

Sources & evidence

ORD record
ord-4262db90d0af4c18b5a901994af85b83
Source dataset
uspto-grants-2006_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07084123B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes