ethyl (S)-3-[4-[2-[5-methyl-2-(4-methylphenyl)-1,3-oxazol-4-yl]ethoxy]phenyl]-2-(4-fluorobenzylamino)propionate 、
3,4-二氟苯甲醛 以In the same manner as in Example 7, 213.3 mg of the title compound was obtained as colorless amorphous compound from 490.8 mg of Referential Compound 3 and 215 μL of 3,4-difluorobenzaldehyde的产率得到methyl (S)-3-[4-[2-(5-methyl-2-phenyl-1,3-oxazol-4-yl)ethoxy]phenyl]-2-(3,4-difluorobenzylamino)propionate