1-(6-methyl-pyridin-2-yl)-2-(2-methylsulfanyl-pyrimidin-4-yl)-ethane-1,2-dione 2-oxime 、
4-甲酰基双环并[2.2.2]辛烷-1-甲酸甲酯 在
ammonium acetate 作用下,
以
溶剂黄146 为溶剂,
反应 2.0h,
以92%的产率得到4-[1-hydroxy-4-(6-methyl-pyridin-2-yl)-5-(2-methylsulfanyl-pyrimidin-4-yl)-1H-imidazol-2-yl]-bicyclo[2.2.2]octane-1-carboxylic acid methyl ester