反应详情

4-[5-(2-Chloro-5-methyl-pyrimidin-4-yl)-thiophen-2-yl]-butyric acid methyl ester was prepared analogous to Step B of Method A, starting from 4-thiophen-2-yl-butyric acid methyl ester and 2,4-dichloro-5-methyl-pyrimidine. Yield: 12%.