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Hydrothermal Decarboxylation of Pentafluorobenzoic Acid and Quinolinic Acid / Jie Fu in Industrial & engineering chemistry research, Vol. 48 N° 23 (Décembre 2009) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 48 N° 23 (Décembre 2009) . - pp. 10467–10471 Titre : Hydrothermal Decarboxylation of Pentafluorobenzoic Acid and Quinolinic Acid Type de document : texte imprimé Auteurs : Jie Fu, Auteur ; Phillip E. Savage, Auteur ; Xiuyang Lu, Auteur Année de publication : 2010 Article en page(s) : pp. 10467–10471 Note générale : Industrial chemistry Langues : Anglais (eng) Mots-clés : Hydrothermal--Decarboxylation--Pentafluorobenzoic--Acid--Quinolinic--Acid Résumé : We report herein the first kinetics studies of hydrothermal decarboxylation of a fully halogenated benzoic acid and a heterocyclic aromatic diacid. Decarboxylation was the only reaction path observed, and there was no evidence of dehalogenation. Experiments at different initial reactant concentrations and different batch holding times revealed that both compounds exhibited first-order kinetics. Experiments at different temperatures showed that the first-order rate constants displayed Arrhenius behavior with activation energies of 157 kJ mol−1 for pentafluorobenzoic acid decarboxylation and 141 kJ mol−1 for quinolinic acid decarboxylation. ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie901182y [article] Hydrothermal Decarboxylation of Pentafluorobenzoic Acid and Quinolinic Acid [texte imprimé] / Jie Fu, Auteur ; Phillip E. Savage, Auteur ; Xiuyang Lu, Auteur . - 2010 . - pp. 10467–10471. Industrial chemistry Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 48 N° 23 (Décembre 2009) . - pp. 10467–10471 Mots-clés : Hydrothermal--Decarboxylation--Pentafluorobenzoic--Acid--Quinolinic--Acid Résumé : We report herein the first kinetics studies of hydrothermal decarboxylation of a fully halogenated benzoic acid and a heterocyclic aromatic diacid. Decarboxylation was the only reaction path observed, and there was no evidence of dehalogenation. Experiments at different initial reactant concentrations and different batch holding times revealed that both compounds exhibited first-order kinetics. Experiments at different temperatures showed that the first-order rate constants displayed Arrhenius behavior with activation energies of 157 kJ mol−1 for pentafluorobenzoic acid decarboxylation and 141 kJ mol−1 for quinolinic acid decarboxylation. ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie901182y