反应详情

2-[5-(4-Bromo-phenyl)-1H-imidazol-2-yl-4-difluoromethoxy-pyrrolidine-1-carboxylic acid tert-butyl ester: Title compound was prepared according to the method employed to prepare 2-[5-(4-Bromo-phenyl)-1H-imidazol-2-yl]-4-hydroxy-pyrrolidine-1-carboxylic acid tert-butyl ester (Example 1), substituting 4-Difluoromethoxy-pyrrolidine-1,2-dicarboxylic acid 2-[2-(4-bromo-phenyl)-2-oxo-ethyl]ester 1-tert-butyl ester (305 mg) for 4-Hydroxy-pyrrolidine-1,2-dicarboxylic acid 2-[2-(4-bromo-phenyl)-2-oxo-ethyl]ester 1-tert-butyl ester (244 mg, 83%).