5-[3-(2-diethylaminoethylamino)propyl]-3-methyl-1H-pyrrole-2,4-dicarboxylic acid 2-tert-butyl ester 4-ethyl ester 、
三甲基铝 在
氩 、
乙醇 、 silica gel 、
5-(2-diethylaminoethyl)-3-methyl-4-oxo-1,4,5,6,7,8-hexahydropyrrolo[3,2-c]azepine-2-carboxylic acid tert-butyl ester 作用下,
以
甲苯 为溶剂,
反应 5.67h,
以to obtain the title compound 5-(2-diethylamino-ethyl)-3-methyl-4-oxo-1,4,5,6,7,8-hexahydro-pyrrolo[3,2-c]azepine-2-carboxylic acid tert-butyl ester 1i (0.413 g, yield 75.7%) as a white solid的产率得到5-(2-diethylaminoethyl)-3-methyl-4-oxo-1,4,5,6,7,8-hexahydropyrrolo[3,2-c]azepine-2-carboxylic acid tert-butyl ester