ethyl (S)-3-[4-[2-[5-methyl-2-(4-methylphenyl)-1,3-oxazol-4-yl]ethoxy]phenyl]-2-(4-fluorobenzylamino)propionate 、
五氟苯甲醛 以In the same manner as in Example 7, 433.0 mg of the title compound was obtained as colorless oil from 591.2 mg of Referential Compound 3 and 250 μL of pentafluorobenzaldehyde的产率得到methyl(S)-3-[4-[2-(5-methyl-2-phenyl-1,3-oxazol-4-yl)ethoxy]phenyl]-2-(pentafluorobenzylamino)propionate