Ethyl Acetate → 2-(2,4-Difluorophenyl)-3-(pyridin-3-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol

HRID 1196941Notes

Reaction equation

HRID 1196941 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:15]=[N:16][CH:17]=[CH:18][CH:19]=2)[CH3:13])[CH2:11][O:10]1.[NH:20]1[CH:24]=[N:23][CH:22]=[N:21]1.[Na].C(OCC)(=O)C>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:15]=[N:16][CH:17]=[CH:18][CH:19]=1)[CH3:13])[CH2:11][N:20]1[CH:24]=[N:23][CH:22]=[N:21]1

Participants

6

Procedure

Treatment of the product of part (iii) (4.30 g) with 1H-1,2,4-triazole, sodium salt (3.0 g) in N,N-dimethylformamide (50 ml) according to the method of Example 1(ii), followed by chromatography of the crude product on silica gel using ethyl acetate as eluant, first gave, after combination and evaporation of appropriate fractions, the title compound, diastereoisomeric pair A, (1.13 g), m.p. 113°-114° (from ether).

Workup

  1. customfirst gave
  2. customafter combination and evaporation of appropriate fractions

Sources & evidence

ORD record
ord-a6bb97a1ed5342cfbbe625b38df75db6
Source dataset
uspto-grants-1992_05
Patent number
US05116844

Reaction notes

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