5-(4-cyanophenyl)-7-methyl-3-oxo-8-(3-trifluoromethylphenyl)-2,3,5,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrimidine-6-carboxylic acid methyl ester 、
2-(氯甲基)-5-(甲磺酰基)吡啶 在
caesium carbonate 、 sodium iodide 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 16.0h,
以41 mg的产率得到5-(4-cyano-phenyl)-2-(5-methanesulfonyl-pyridin-2-ylmethyl)-7-methyl-3-oxo-8-(3-trifluoromethyl-phenyl)-2,3,5,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrimidine-6-carboxylic acid methyl ester