反应详情

Following the general method as outlined in Intermediate 20, starting from 5,6-difluoro-1-(phenylsulfonyl)-3-(1H-pyrazol-4-yl)-1H-indole hydrochloride (Intermediate 30; 300 mg; 0.76 mmol), 330 mg (78%) of the title compound was obtained as a yellow solid after purification by a silica gel chromatography(petroleum ether/EtOAc=5/1).