反应详情

The title compound was prepared in analogy to example 90, from [4-(4,5-difluoro-2-methoxy-phenyl)-pyridin-3-ylamino]-acetic acid methyl ester and 3-methanesulfonyl-5-trifluoromethyl-benzoic acid (example 114, intermediate a) and using a gradient of n-heptane:EtOAc (100:0 to 0:80) for the chromatographic purification. Colorless solid (30%). MS (ESI): m/z=559.096 [M+H]+.

1. customfor the chromatographic purification