(3R)-3-methyl-7-(4-methylimidazol-1-yl)-3,4-dihydro-2H-pyrido[1,2-a]pyrazine-1,6-dione 、
3-(Chloromethyl)-6-(trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyridine 在
sodium hydride 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 3.17h,
生成 (3R)-3-methyl-7-(4-methyl-1H-imidazol-1-yl)-2-{[6-(trifluoromethyl)-5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyridin-3-yl]methyl}-3,4-dihydro-2H-pyrido-[1,2-a]pyrazine-1,6-dione