7-fluoro-1-methyl-2,5-dioxo-2,3,4,5-tetrahydro-1H-benzo[b]azepine-4-carboxylic acid methyl ester 在
氮 、 ice 、
乙腈 作用下,
以
petroleum ether 、
邻二甲苯 为溶剂,
反应 40.0h,
以to yield the 7-fluoro-1-methyl-4-(4-fluorophenylcarbamoyl)-2,3,4,5-tetrahydro-1-benzazepine-2,5-dione melting at 180°-182°的产率得到7-fluoro-1-methyl-4-(4-fluorophenylcarbamoyl)-2,3,4,5-tetrahydro-1-benzazepine-2,5-dione