5-(3-methanesulfonyloxy-propyl)-3-methyl-1H-pyrrole-2,4-dicarboxylic acid 2-tert-butyl ester 4-ethyl ester 、
N,N-二乙基乙二胺 、
乙酸乙酯 在
Brine 、
magnesium sulfate 、 silica gel 、
5-[3-(2-diethylaminoethylamino)propyl]-3-methyl-1H-pyrrole-2,4-dicarboxylic acid 2-tert-butyl ester 4-ethyl ester 作用下,
以
Brine 为溶剂,
反应 17.08h,
以to obtain the title compound 5-[3-(2-diethylamino-ethylamino)-propyl]-3-methyl-1H-pyrrole-2,4-dicarboxylic acid 2-tert-butyl ester 4-ethyl ester 1 h (8.2 g, yield 95%) as a colorless oil的产率得到5-[3-(2-diethylaminoethylamino)propyl]-3-methyl-1H-pyrrole-2,4-dicarboxylic acid 2-tert-butyl ester 4-ethyl ester