[F:1][C:2]1[CH:7]=[C:6]([F:8])[CH:5]=[CH:4][C:3]=1[C@:9]([OH:30])([C:16]([C:18]1[CH:23]=[CH:22][C:21]([C:24]2[N:28]([CH3:29])[N:27]=[CH:26][CH:25]=2)=[CH:20][CH:19]=1)=[CH2:17])[CH2:10][N:11]1[CH:15]=[N:14][CH:13]=[N:12]1>C(O)C.[Pd]>[F:1][C:2]1[CH:7]=[C:6]([F:8])[CH:5]=[CH:4][C:3]=1[C@:9]([OH:30])([C@H:16]([C:18]1[CH:23]=[CH:22][C:21]([C:24]2[N:28]([CH3:29])[N:27]=[CH:26][CH:25]=2)=[CH:20][CH:19]=1)[CH3:17])[CH2:10][N:11]1[CH:15]=[N:14][CH:13]=[N:12]1A solution of (2R)-2-(2,4-difluorophenyl)-3-(4-[1-methylpyrazol-5-yl]phenyl)-1-(1,2,4-triazol-1-yl)-3-buten-2-ol (2.0 g, 5 mmol-see Preparation 53) in ethanol (50 ml) was hydrogenated at 50 psi (333 KPa) pressure over 5% palladium on charcoal (0.2 g) for 18 hours at 50° C. A further batch of catalyst (0.2 g) was added, and the hydrogenation was continued for a further 18 hours. The mixture was filtered through "Arbocel" (Trade Mark) and the filtrate evaporated under reduced pressure.
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