%0 Journal Article %T Quantum-chemical study of the carboxylation reaction of 4-aminophenol, 4-acetylaminophenol and their salts in the synthesis of 5-aminosalicylic acid %A Varvarkin, S.V. %A Soloviev, M.E. %A Gerasimova, N.P. %K carboxylation, 4-aminophenol, 4-acetylaminophenol, 5-aminosalicylic acid, mesalazine, thermodynamic functions, Gibbs free energy %J From Chemistry Towards Technology Step-By-Step %D 2022 %N 3 %P 5 %I Yaroslavl State Technical University