5-(Tert-butyl-dimethyl-silanyloxymethyl)-2-methyl-phenylamine 、
[tert-butoxycarbonyl-(3,4-difluorophenyl)-amino]-acetic acid 以to give the sub-title product (1.9 g) as a white solid的产率得到(3,4-difluoro-phenyl)-[(5-hydroxymethyl-2-methyl-phenylcarbamoyl)-methyl]-carbamic acid tert-butyl ester