反应详情

As described for Example 1f, 1-benzyl-4-[tert-butoxycarbonyl-(2,4-difluoro-benzyl)-amino]-pyrrolidine-2-carboxylic acid (60.0 mg, 0.134 mmol) was converted, using 1-(4-piperazine-1-yl-phenyl)-ethanone instead of 2-piperazin-1-yl-benzonitrile, to the title compound (5.8 mg, 8.1%) as light yellow oil. MS m/e=559.4 [M+H]+.