(RS)-N-(4-cyano-benzyl)-2-(4-hydroxy-phenyl)-2-methoxy-acetamide 、 Ethylbromoacetate cesium carbonate 以
N,N-二甲基甲酰胺 为溶剂,
以to give (RS)-{4-[(4-cyano-benzylcarbamoyl)-methoxy-methyl]-phenoxy}-acetic acid ethyl ester as a colorless solid的产率得到(RS)-{4-[(4-cyano-benzylcarbamoyl)-methoxy-methyl]-phenoxy}-acetic acid ethyl ester