5-[3-(2-dimethylamino-ethylamino)-propyl]-3-methyl-1H-pyrrole-2,4-dicarboxylic acid 2-tert-butyl ester 4-ethyl ester 、
三甲基铝 在
氩 、 ice water 、
盐酸 、
二氯甲烷 、
magnesium sulfate 、
5-(2-dimethylamino-ethyl)-3-methyl-4-oxo-1,4,5,6,7,8-hexahydro-pyrrolo[3,2-c] azepine-2-carboxylic acid tert-butyl ester 作用下,
以
甲苯 为溶剂,
反应 3.33h,
以to obtain the title compound 5-(2-dimethylamino-ethyl)-3-methyl-4-oxo-1,4,5,6,7,8-hexahydro-pyrrolo[3,2-c]azepine-2-carboxylic acid tert-butyl ester 23b (3.3 g, yield 71.4%) as a yellow solid的产率得到5-(2-dimethylamino-ethyl)-3-methyl-4-oxo-1,4,5,6,7,8-hexahydro-pyrrolo[3,2-c] azepine-2-carboxylic acid tert-butyl ester