3-(4-bromobenzyl)-2-thioxothiazolidin-4-one 、 N-(3-carboxy-4-hydroxy)phenyl-2,5-dimethyl-3-formylpyrrole 在
ammonium acetate 作用下,
以
甲醇 、
甲苯 为溶剂,
以55%的产率得到(Z)-3-(5-(3-(4-bromobenzyl)-4-oxo-2-thioxothiazolidinylidene)methyl)-N-(3-carboxy-4-hydroxy)phenyl-2,5-dimethylpyrrole