[(10S)-2-[(4-fluorophenyl)methylcarbamoyl]-10-(methylamino)-4-oxo-7,8,9,10-tetrahydro-6H-pyrimido[1,2-a]azepin-3-yl] methanesulfonate 、 Ethoxycarbonyl 2-(dimethylamino)-2-oxoacetate 在
N-甲基吗啉 作用下,
以
四氢呋喃 为溶剂,
反应 2.0h,
生成 [(10S)-10-[[2-(dimethylamino)-2-oxoacetyl]-methylamino]-2-[(4-fluorophenyl)methylcarbamoyl]-4-oxo-7,8,9,10-tetrahydro-6H-pyrimido[1,2-a]azepin-3-yl] methanesulfonate