5-Bromo-2,4-difluorobenzenesulfonamide → 5-[7-Cyclopropyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-2,4-difluoro-benzenesulfonamide
Reaktionsgleichung
[CH:1]1([C:4]2[N:9]3[N:10]=[CH:11][C:12]([C:13]#[CH:14])=[C:8]3[N:7]=[C:6]([C:15]3[CH:20]=[CH:19][C:18]([C:21]([F:24])([F:23])[F:22])=[CH:17][CH:16]=3)[CH:5]=2)[CH2:3][CH2:2]1.Br[C:26]1[C:27]([F:37])=[CH:28][C:29]([F:36])=[C:30]([S:32]([NH2:35])(=[O:34])=[O:33])[CH:31]=1>>[CH:1]1([C:4]2[N:9]3[N:10]=[CH:11][C:12]([C:13]#[C:14][C:26]4[C:27]([F:37])=[CH:28][C:29]([F:36])=[C:30]([S:32]([NH2:35])(=[O:33])=[O:34])[CH:31]=4)=[C:8]3[N:7]=[C:6]([C:15]3[CH:16]=[CH:17][C:18]([C:21]([F:22])([F:23])[F:24])=[CH:19][CH:20]=3)[CH:5]=2)[CH2:3][CH2:2]1Komponenten
3
Versuchsvorschrift
The title compound was prepared from 7-cyclopropyl-3-ethynyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine (example C.7) (82 mg, 0.25 mmol) and 5-bromo-2,4-difluoro-benzenesulfonamide (68 mg, 0.25 mmol) according to general procedure II. Obtained as a yellow solid (85 mg, 65%). MS (ISN) 517.0 [(M−H)−]; mp 255-257° C.