Vasin, V. S.; Koldaeva, T. Yu.; Perevalov, V. P. published an article in 2012, the title of the article was Synthesis of derivatives of 2-(2-hydroxyphenyl)-2H-benzotriazole-4-carboxylic acid containing sulfonamide group in phenyl moiety.Quality Control of 3-Nitro-4-chlorobenzenesulfonamide And the article contains the following content:
The method of synthesis of I from 3,5-diamino-4-chlorobenzoic acid and N-phenylamide of 3-amino-4-hydroxybenzenesulfonic acid was developed. The experimental process involved the reaction of 3-Nitro-4-chlorobenzenesulfonamide(cas: 97-09-6).Quality Control of 3-Nitro-4-chlorobenzenesulfonamide
The Article related to hydroxyphenyl benzotriazolecarboxylic acid sulfonamide preparation, Heterocyclic Compounds (More Than One Hetero Atom): Other 5-Membered Rings, Two Or More Hetero Atoms and other aspects.Quality Control of 3-Nitro-4-chlorobenzenesulfonamide
Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics