1-(4-chlorophenyl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole → 6-[2-(4-Chloro-phenyl)-2H-pyrazol-3-yl]-3-(4-trifluoromethyl-phenyl)-imidazo[1,2-a]pyridine
Reaktionsgleichung
Br[C:2]1[CH:3]=[CH:4][C:5]2[N:6]([C:8]([C:11]3[CH:16]=[CH:15][C:14]([C:17]([F:20])([F:19])[F:18])=[CH:13][CH:12]=3)=[CH:9][N:10]=2)[CH:7]=1.[Cl:21][C:22]1[CH:27]=[CH:26][C:25]([N:28]2[C:32](B3OC(C)(C)C(C)(C)O3)=[CH:31][CH:30]=[N:29]2)=[CH:24][CH:23]=1>>[Cl:21][C:22]1[CH:23]=[CH:24][C:25]([N:28]2[C:32]([C:2]3[CH:3]=[CH:4][C:5]4[N:6]([C:8]([C:11]5[CH:16]=[CH:15][C:14]([C:17]([F:20])([F:19])[F:18])=[CH:13][CH:12]=5)=[CH:9][N:10]=4)[CH:7]=3)=[CH:31][CH:30]=[N:29]2)=[CH:26][CH:27]=1Komponenten
3
Versuchsvorschrift
The title compound, off-white solid (72 mg, 56%), MS (ISP) m/z=439.5 [(M+H)+], mp 167° C., was prepared in accordance with the general method of example 1 from 6-bromo-3-(4-trifluoromethyl-phenyl)-imidazo[1,2-a]pyridine (intermediate M) (0.1 g, 0.29 mmol) and 1-(4-chloro-phenyl)-5-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-1H-pyrazole (intermediate B) (0.12 g, 0.38 mmol).