反应详情

The title compound, light yellow solid (22 mg, 16%), MS (ISP) m/z=388.3 [(M+H)+], mp 198° C., was prepared in accordance with the general method of example 1 from 5-(4-nitro-phenyl)-1-p-tolyl-1H-pyrazole (intermediate E) (100 mg, 353 μmol) and commercially available 2-(3,4-difluoro-phenyl)-acetonitrile (see also example 39).