N-苄叉苯胺 、
1-(4-Carboxy-3-hydroxy-phenyl)-2-methyl-5-oxo-4,5-dihydro-1H-pyrrole-3-carboxylic acid ethyl ester 以
溶剂黄146 为溶剂,
反应 1.0h,
以25%的产率得到1-(4-Carboxy-3-hydroxy-phenyl)-2-methyl-5-oxo-4-(phenyl-phenylamino-methyl)-4,5-dihydro-1H-pyrrole-3-carboxylic acid ethyl ester