7-(2-Hydroxy-phenyl)-6-phenylcarbamoyl-2-thioxo-3,5,6,7-tetrahydro-2H-thiopyrano[2,3-d]thiazole-5-carboxylic acid 在
sodium acetate 作用下,
以
溶剂黄146 为溶剂,
反应 1.0h,
生成
7-o-Hydroxyphenyl-5,6-dihydrothiopyrano<2,3-d>thiazolidine-2-thione-5,6-dicarboxy-N-phenylimide