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Dimethylformamide → HCID 86605922, compound

HRID 2222009
Notes
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Reaction equation

HRID 2222009 reaction equation
[CH:1]([C:3]1[C:4]([O:14][CH2:15][C:16]2[CH:41]=[CH:40][C:19]([O:20][CH2:21][C:22]3[N:23]=[C:24]([C:28]4[CH:33]=[CH:32][C:31]([CH2:34][C:35]([O:37][CH2:38][CH3:39])=[O:36])=[CH:30][CH:29]=4)[O:25][C:26]=3[CH3:27])=[C:18]([O:42][CH3:43])[CH:17]=2)=[N:5][N:6]([C:8]2[CH:13]=[CH:12][CH:11]=[CH:10][CH:9]=2)[CH:7]=1)=O.Cl.[Cl-].[CH2:46]([N:48]1[CH:52]=[C:51]([CH2:53][P+](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[N:50]=[CH:49]1)[CH3:47].C(=O)([O-])[O-].[K+].[K+].CN(C)C=O>O>[CH2:46]([N:48]1[CH:52]=[C:51](/[CH:53]=[CH:1]/[C:3]2[C:4]([O:14][CH2:15][C:16]3[CH:41]=[CH:40][C:19]([O:20][CH2:21][C:22]4[N:23]=[C:24]([C:28]5[CH:29]=[CH:30][C:31]([CH2:34][C:35]([O:37][CH2:38][CH3:39])=[O:36])=[CH:32][CH:33]=5)[O:25][C:26]=4[CH3:27])=[C:18]([O:42][CH3:43])[CH:17]=3)=[N:5][N:6]([C:8]3[CH:13]=[CH:12][CH:11]=[CH:10][CH:9]=3)[CH:7]=2)[N:50]=[CH:49]1)[CH3:47]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 6228DimethylformamideHCID 11430Potassium Carbonate2×HCID 86605746[(1-ethyl-1H-imidazol-4-yl)methyl](triphenyl)phosphonium chloride hydrochloride2×HCID 86605875ethyl (4-{4-[(4-{[(4-formyl-1-phenyl-1H-pyrazol-3-yl)oxy]methyl}-2-methoxyphenoxy)methyl]-5-methyl-1,3-oxazol-2-yl}phenyl)acetate

Product 1

HCID 86605922
HCID 86605922, compound

Reagents, catalysts & solvents 1

HCID 962WaterSolvent

Procedure

A mixture of ethyl (4-{4-[(4-{[(4-formyl-1-phenyl-1H-pyrazol-3-yl)oxy]methyl}-2-methoxyphenoxy)methyl]-5-methyl-1,3-oxazol-2-yl}phenyl)acetate (3.00 g), [(1-ethyl-1H-imidazol-4-yl)methyl](triphenyl)phosphonium chloride hydrochloride (3.43 g), anhydrous potassium carbonate (1.07 g) and N,N-dimethylformamide (30 mL) was stirred at room temperature for 16 hrs. To the reaction mixture were added [(1-ethyl-1H-imidazol-4-yl)methyl](triphenyl)phosphonium chloride hydrochloride (1.14 g) and anhydrous potassium carbonate (356 mg) and the mixture was stirred at room temperature for 2 days. The reaction mixture was poured into water and the mixture was extracted with ethyl acetate. The organic layer was washed with saturated brine, dried over anhydrous magnesium sulfate and concentrated. The residue was subjected to silica gel column chromatography and eluted with ethyl acetate-hexane (9:1 to 1:0, v/v) to give ethyl (4-{4-[(4-[({4-[(E)-2-(1-ethyl-1H-imidazol-4-yl)ethenyl]-1-phenyl-1H-pyrazol-3-yl}oxy)methyl]-2-methoxyphenoxy)methyl]-5-methyl-1,3-oxazol-2-yl}phenyl)acetate as colorless crystals. Recrystallization from ethyl acetate-hexane gave colorless crystals (352 mg, yield 10%). melting point: 140-141° C.

Workup

  1. stirringthe mixture was stirred at room temperature for 2 days
  2. extractionthe mixture was extracted with ethyl acetate
  3. washThe organic layer was washed with saturated brine
  4. dry with materialdried over anhydrous magnesium sulfate
  5. concentrationconcentrated
  6. washeluted with ethyl acetate-hexane (9:1 to 1:0

Sources & evidence

ORD record
ord-fa9ef0b137134ef8962f7519c8854222
Source dataset
uspto-grants-2008_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07368578B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes