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Dimethylformamide → methyl 3-[1-[4-[2-(2-furyl)-5-methyl-4-oxazolylmethoxy]benzyl]-3-phenyl-1H-pyrazol-4-yl]propionate

HRID 350100
Notes
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Reaction equation

HRID 350100 reaction equation
Cl[CH2:2][C:3]1[N:4]=[C:5]([C:9]2[O:10][CH:11]=[CH:12][CH:13]=2)[O:6][C:7]=1[CH3:8].[OH:14][C:15]1[CH:38]=[CH:37][C:18]([CH2:19][N:20]2[CH:24]=[C:23]([CH2:25][CH2:26][C:27]([O:29][CH3:30])=[O:28])[C:22]([C:31]3[CH:36]=[CH:35][CH:34]=[CH:33][CH:32]=3)=[N:21]2)=[CH:17][CH:16]=1.C(=O)([O-])[O-].[K+].[K+].CN(C)C=O>O>[O:10]1[CH:11]=[CH:12][CH:13]=[C:9]1[C:5]1[O:6][C:7]([CH3:8])=[C:3]([CH2:2][O:14][C:15]2[CH:16]=[CH:17][C:18]([CH2:19][N:20]3[CH:24]=[C:23]([CH2:25][CH2:26][C:27]([O:29][CH3:30])=[O:28])[C:22]([C:31]4[CH:32]=[CH:33][CH:34]=[CH:35][CH:36]=4)=[N:21]3)=[CH:37][CH:38]=2)[N:4]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 6228DimethylformamideHCID 11430Potassium CarbonateHCID 223445824-(Chloromethyl)-2-(furan-2-yl)-5-methyl-1,3-oxazoleHCID 23024960methyl 3-[1-(4-hydroxybenzyl)-3-phenyl-1H-pyrazol-4-yl]propionate

Product 1

HCID 69420250methyl 3-[1-[4-[2-(2-furyl)-5-methyl-4-oxazolylmethoxy]benzyl]-3-phenyl-1H-pyrazol-4-yl]propionate
Yield 92.9%

Reagents, catalysts & solvents 1

HCID 962WaterSolvent

Procedure

A mixture of 4-chloromethyl-2-(2-furyl)-5-methyloxazole (312 mg), methyl 3-[1-(4-hydroxybenzyl)-3-phenyl-1H-pyrazol-4-yl]propionate (500 mg), potassium carbonate (397 mg) and N,N-dimethylformamide (7 ml) was stirred at room temperature for 18 hours. The reaction mixture was poured into water, which was extracted with ethyl acetate. The ethyl acetate layer was washed with saturated aqueous sodium chloride solution, dried (MgSO4), then concentrated. The residue was subjected to silica gel column chromatography, and methyl 3-[1-[4-[2-(2-furyl)-5-methyl-4-oxazolylmethoxy]benzyl]-3-phenyl-1H-pyrazol-4-yl]propionate (687 mg, yield: 87%) was obtained as an oily substance from the fraction eluted with ethyl acetate-hexane (5:6, volume ratio).

Workup

  1. extractionwas extracted with ethyl acetate
  2. washThe ethyl acetate layer was washed with saturated aqueous sodium chloride solution
  3. dry with materialdried (MgSO4)
  4. concentrationconcentrated

Sources & evidence

ORD record
ord-0358350cb3904aa48eb154bedb1b36f9
Source dataset
uspto-grants-2007_02
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07179823B1

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes