4.1 Article

A study of the kinetics and mechanism of amidation of 4-nitrobenzoic acid with ammonia, catalyzed by boric acid in the presence of polyethylene glycol PEG-400

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RUSSIAN JOURNAL OF APPLIED CHEMISTRY
卷 84, 期 5, 页码 815-819

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MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S1070427211050132

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Kinetics of the reaction of 4-nitrobenzoic acid with ammonia, catalyzed by the system constituted by boric acid and PEG-400 poly(ethylene glycol), was studied. A catalysis mechanism was suggested, which consists in original synthesis of incomplete polyethylene glycol borate esters, formation on their basis of 4-nitrobenzoic acid borate esters, and their further amidation with ammonia.

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