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Sodium Hydroxide → 3-[(5-{3-fluoro-4-[5-(trifluoromethyl)-1H-imidazol-2-yl]phenyl}-4-methylpyridin-2-yl)oxy]-2,2-dimethylpropanoic acid

HRID 623892
Notes
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Reaction equation

HRID 623892 reaction equation
[F:1][C:2]1[CH:3]=[C:4]([C:25]2[C:26]([CH3:39])=[CH:27][C:28]([O:31][CH2:32][C:33]([CH3:38])([CH3:37])[C:34]([OH:36])=[O:35])=[N:29][CH:30]=2)[CH:5]=[CH:6][C:7]=1[C:8]1[N:9](COCC[Si](C)(C)C)[CH:10]=[C:11]([C:13]([F:16])([F:15])[F:14])[N:12]=1.[OH-].[Na+]>FC(F)(F)C(O)=O.O>[F:1][C:2]1[CH:3]=[C:4]([C:25]2[C:26]([CH3:39])=[CH:27][C:28]([O:31][CH2:32][C:33]([CH3:37])([CH3:38])[C:34]([OH:36])=[O:35])=[N:29][CH:30]=2)[CH:5]=[CH:6][C:7]=1[C:8]1[NH:12][C:11]([C:13]([F:14])([F:16])[F:15])=[CH:10][N:9]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 2

HCID 14798Sodium HydroxideHCID 679734543-[(5-{3-fluoro-4-[4-(trifluoromethyl)-1-{[2-(trimethylsilyl)ethoxy]methyl}-1H-imidazol-2-yl]phenyl}-4-methylpyridin-2-yl)oxy]-2,2-dimethylpropanoic acid

Product 1

HCID 574111003-[(5-{3-fluoro-4-[5-(trifluoromethyl)-1H-imidazol-2-yl]phenyl}-4-methylpyridin-2-yl)oxy]-2,2-dimethylpropanoic acidYield 87.6%

Reagents, catalysts & solvents 2

HCID 962
Water
Solvent
HCID 6422Trifluoroacetic acidSolvent

Procedure

In trifluoroacetic acid (2.0 mL) and water (0.1 mL) was dissolved 3-[(5-{3-fluoro-4-[4-(trifluoromethyl)-1-{[2-(trimethylsilyl)ethoxy]methyl}-1H-imidazol-2-yl]phenyl}-4-methylpyridin-2-yl)oxy]-2,2-dimethylpropanoic acid (640 mg), and the solution was stirred at room temperature for 10 hours. The solution was neutralized by adding 2N aqueous sodium hydroxide solution, and the resulting mixture was extracted with ethyl acetate. The extract was washed with a saturated brine, the organic layer was separated and concentrated under reduced pressure. Ether was added to the obtained residue, and the precipitated solid was collected by filtration and dried under reduced pressure to obtain 3-[(5-{3-fluoro-4-[5-(trifluoromethyl)-1H-imidazol-2-yl]phenyl}-4-methylpyridin-2-yl)oxy]-2,2-dimethylpropanoic acid (432 mg).

Workup

  1. extractionthe resulting mixture was extracted with ethyl acetate
  2. washThe extract was washed with a saturated brine
  3. customthe organic layer was separated
  4. concentrationconcentrated under reduced pressure
  5. additionEther was added to the obtained residue
  6. filtrationthe precipitated solid was collected by filtration
  7. customdried under reduced pressure

Sources & evidence

ORD record
ord-8eb7dda2bf374114b1de176e63147d23
Source dataset
uspto-grants-2016_04
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09302996B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes