Carboxylation of aromatic compounds in a supercritical carbon dioxide medium
作者： A. V. Shlyakhtin , S. Z. Vatsadze , D. P. Krut’ko , D. A. Lemenovskii , M. V. Zabalov
DOI: 10.1134/S199079311207007X
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摘要: The reaction of direct carboxylation benzene and its derivatives PhX (X = Me, Br, Ph, OPh, OMe), as well mesitylene, durene, ferrocene, in a supercritical CO2 medium the presence various Lewis acids (AlCl3, FeCl3, ZrCl4, ZnCl2) is studied. It shown that, all cases, secondary reactions proceed faster than primary carboxylic acid formation. For thoroughly studied AlCl3-CO2toluene system, optimal conditions formation n-toluic are determined. AlCl3-CO2-benzene an example, quantum-chemical calculations characteristics allowed pathways performed.
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