反应详情

The title compound was prepared from 7-difluoromethyl-3-ethynyl-5-(3-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine (example C.2) (169 mg, 0.5 mmol) and commercially available 5-bromo-2,4-difluoro-benzenesulfonamide (136 mg, 0.5 mmol) according to general procedure II. Obtained as a yellow solid (76 mg, 29%). MS (ISN) 527.0 [(M−H)−]; mp 277° C.