反应详情

5-Chloro-2-(4-pyridinylamino)benzoic acid was prepared from 25 g of 5-chloroanthranilic acid and 21 g of 4-chloropyridine hydrochloride according to the procedure of Example 1, part (a). There was obtained 14.2 g of 5-chloro-2-(4-pyridinylamino)benzoic acid, m.p. 306°-308° C. (decompn.).