3-[1-(3,5-Dimethyl-1H-pyrrol-2-yl)-meth-(Z)-ylidene]-1-(imidazole-1-carbonyl)-1,3-dihydro-indol-2-one 、
对羟基苯甲酸 在
三乙胺 silica gel 、
ethyl acetate n-hexane 、
溶剂黄146 、
ethyl acetate dichloromethane 作用下,
以
四氢呋喃 为溶剂,
反应 16.0h,
以to afford 150 mg (37%) of 3-[1-(3,5-dimethyl-1H-pyrrol-2-yl)-meth-(Z)-ylidene]-2-oxo-2,3-dihydro-indole-1-carboxylic acid 4-carboxy-phenyl ester的产率得到3-[1-(3,5-Dimethyl-1H-pyrrol-2-yl)-meth-(Z)-ylidene]-2-oxo-2,3-dihydro-indole-1-carboxylic acid 4-carboxyphenyl ester