2-(2,4-Difluorophenyl)-2-(1-[pyridin-4-yl]ethyl)oxirane → 2-(2,4-Difluorophenyl)-3-(pyridin-4-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol
Reaction equation
[F:1][C:2]1[CH:7]=[C:6]([F:8])[CH:5]=[CH:4][C:3]=1[C:9]1([CH:12]([C:14]2[CH:19]=[CH:18][N:17]=[CH:16][CH:15]=2)[CH3:13])[CH2:11][O:10]1.[Na].[NH:21]1[CH:25]=[N:24][CH:23]=[N:22]1.ClCCl.CO>CN(C)C=O>[F:1][C:2]1[CH:7]=[C:6]([F:8])[CH:5]=[CH:4][C:3]=1[C:9]([OH:10])([CH:12]([C:14]1[CH:19]=[CH:18][N:17]=[CH:16][CH:15]=1)[CH3:13])[CH2:11][N:21]1[CH:25]=[N:24][CH:23]=[N:22]1Participants
5
Reactant 3
Product 1
Reagents, catalysts & solvents 1
Procedure
Treatment of the product of part (i) (1.02 g) with 1H-1,2,4-triazole sodium salt (0.71 g) in N,N-dimethylformamide (10 ml) by the method of Example 1(ii), followed by chromatography of the crude product on silica gel using dichloromethane/methanol (97:3) as eluant, first gave, after combination and evaporation of appropriate fractions, the title compound, diastereoisomeric pair A, (0.22 g), m.p. 161°-163° (from ether).
Workup
- customfirst gave, after combination and evaporation of appropriate fractions
Sources & evidence
- ORD record
- ord-2f5f545aebdf4dff9e106c1188a03a07
- Source dataset
- uspto-grants-1994_11
- Patent number
- US05364938
Reaction notes
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