反应详情

4,5-Dichloropyrrole-2-carboxylic acid (10 g., 0.056 mole) was converted to the corresponding acid chloride by reaction with 15 ml. of thionyl chloride, and the acid chloride dissolved in 25 ml. of benzene was reacted with 9.2 g. (0.057 mole) of 2,4-dichloroaniline in 50 ml. of pyridine using the procedure described above in Example 3. The product was recrystallized from an ethyl acetate/ethanol mixture to give 10.0 of 2',4,4',5-tetrachloropyrrole-2-carboxanilide, m.p. 262°-264° C.

1. customThe product was recrystallized from an ethyl acetate/ethanol mixture