Abstract
Experimental data on the molecular decomposition of esters with various structures into an olefin and the corresponding acid in the gas phase are analyzed in terms of the intersecting parabolas method. Enthalpies and kinetic parameters characterizing this decomposition have been calculated for 33 reactions. Ester decomposition is a concerted two-center reaction characterized by a very high classical potential barrier of thermoneutral reaction (148–206 kJ/mol). The totality of reactions examined is divided into eight classes. Activation energies and rate constants have been calculated for 38 reactions using the kinetic parameters obtained. The activation energies and rate constants of the reverse bimolecular reaction of acid addition to olefins have been calculated by the intersecting parabolas method. Factors in the activation energy of ester decomposition and formation reactions are discussed.
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References
Semenov, N.N., Izbrannye trudy (Selected Works), vol. 3: O nekotorykh problemakh khimicheskoi kinetiki i reaktsionnoi sposobnosti (Some Problems of Chemical Kinetics and Reactivity), Moscow: Nauka, 2004.
Decomposition and Isomerisation of Organic Compounds, Comprehensive Chemical Kinetics, vol. 5, Amsterdam: Elsevier, 1972, p. 443.
Pokidova, T.S. and Denisov, E.T., Neftekhimiya, 2006, vol. 46, no. 2, p. 100 [Pet. Chem. (Engl. Transl.), vol. 46, no. 2, p. 84].
Pokidova, T.S. and Denisov, E.T., Khim. Fiz., 2006, vol. 25, no. 6, p. 33.
Pokidova, T.S., Denisov, E.T., and Shestakov, A.F., Neftekhimiya, 2009, vol. 49, no. 5, p. 363 [Pet. Chem. (Engl. Transl.), vol. 49, no. 5, p. 343].
Pokidova, T.S. and Denisov, E.T., Butlerov Commun., 2008, vol. 14, no. 4, p. 29.
Denisov, E.T., Denisova, T.G., and Pokidova, T.S., Handbook of Free Radical Initiators, Hoboken, N.J.: Wiley, 2003.
Denisov, E.T., Usp. Khim., 1997, vol. 66, no. 10, p. 953 [Russ. Chem. Rev. (Engl. Transl.), vol. 66, no. 10, p. 859].
Denisov, E.T., in General Aspects of the Chemistry of Radicals, Alfassi, Z.B., Ed., Chichester: Wiley, 1999.
Pokidova, T.S. and Denisov, E.T., Kinet. Katal., 2001, vol. 42, no. 6, p. 805 [Kinet. Catal. (Engl. Transl.), vol. 42, no. 6, p. 729].
Aleksandrov, I.V., Teor. Eksp. Khim., 1976, vol. 12, p. 299.
NIST Standard Reference Database 19A: Positive Ion Energetics, Version 2.02, Gaithersburg, Md.,1994.
Domalski, E.S., J. Phys. Chem. Ref. Data, 1993, vol. 2, p. 805.
Blades, A.T., Can. J. Chem., 1954, vol. 32, p. 366.
Gill, M.T. and Taylor, R., J. Chem. Soc., Perkin Trans. 2, 1990, p. 1715.
Louw, R., Tinkelenberg, A., and Wernet, E.S.E., Rec. Trav. Chim. Pays-Bas, 1983, vol. 102, p. 519.
De Burgh, Norfolk S. and Taylor, R., J. Chem. Soc., Perkin Trans. 2, 1976, p. 280.
Scheer, J.C., Kooyman, E.C., and Sixma, F.L.J., Rec. Trav. Chim. Pays-Bas, 1963, vol. 82, p. 1123.
Tinkelenberg, A., Kooyman, E.C., and Louw, R., Rec. Trav. Chim. Pays-Bas, 1972, vol. 91, p. 3.
Taylor, R., J. Chem. Soc., Perkin Trans. 2, 1979, p. 1730.
Chuchani, G., Martin, I., and Avila, I., Int. J. Chem. Kinet., 1979, vol. 11, p. 561.
Taylor, R., Smith, G.G., and Wetzel, W.H., J. Am. Chem. Soc., 1962, vol. 84, p. 4817.
Barnard, J.A., Cocks, A.T., and Parrott, T.K., J. Chem. Soc., Faraday Trans. 1, 1976, vol. 72, p. 1456.
Kairaitis, D.A. and Stimson, V.R., Aust. J. Chem., 1968, vol. 21, p. 1349.
Taylor, R., J. Chem. Soc., Perkin Trans. 2, 1975, p. 1025.
Chuchani, G., Martin, I., Hernadez, J.A., Rotinov, A., and Flaile, G., J. Phys. Chem., 1980, vol. 84, p. 944.
Taylor, R., J. Chem. Soc., Perkin Trans. 2, 1978, p. 1255.
Kraus, M., Vavruska, N., and Bazant, V., Collect. Czech. Chem. Commun., 1957, vol. 22, p. 484.
Warrick, E. and Fugassi, P., J. Phys. Chem., 1948, vol. 52, p. 357.
Smith, G.G., Bagley, F.D., and Taylor, R., J. Am. Chem. Soc., 1961, vol. 83, p. 3647.
Chuchani, G., Martin, I., Yepez, M., and Diaz, M., React. Kinet. Catal. Lett., 1977, vol. 6, p. 449.
Rudi, C.E., Fugassi, Jr., and Fugassi, P., J. Phys. Chem., 1948, vol. 52, p. 357.
Emovan, E.U. and Maccoll, A., J. Chem. Soc., 1962, p. 335.
Gordon, E., Price, S.G.W., and Trotman-Dickenson, A.F., J. Chem. Soc., 1957, p. 2813.
Cordova, C.M., Martin, I., and Chuchani, G., React. Kinet. Catal. Lett., 1984, vol. 24, p. 243.
Al-Avadi, N.A., El-Dusougui, O.M.E., and Mathew, T., Int. J. Chem. Kinet., 1997, vol. 29, p. 289.
Al-Avadi, N.A., Al-Bashir, R.F., and El-Dusougu, O.M.E., Tetrahedron, 1996, vol. 46, p. 2119.
Denisov, E.T., Kinetika gomogennykh khimicheskikh reaktsii (Kinetics of Homogeneous Chemical Reactions), Moscow: Vysshaya Shkola, 1988, p. 72.
Pokidova, T.S., Denisov, E.T., and Shestakov, A.F., Kinet. Katal., 2009, vol. 50, no. 5, p. 674 [Kinet. Catal. (Engl. Transl.), vol. 50, no. 5, p. 647].
Pokidova, T.S., Denisov, E.T., and Shestakov, A.F., Neftekhimiya, 2008, vol. 48, no. 3, p. 175 [Pet. Chem. (Engl. Transl.), vol. 48, no. 3, p. 174].
Drozdova, T.I., Denisov, E.T., Shestakov, A.F., and Emel’yanova, N.S., Kinet. Katal., 2006, vol. 47, no. 1, p. 111 [Kinet. Catal. (Engl. Transl.), vol. 47, no. 1, p. 106].
Denisov, E.T., Kinet. Katal., 2008, vol. 49, no. 3, p. 333 [Kinet. Catal. (Engl. Transl.), vol. 49, no. 3, p. 313].
Denisov, E.T. and Denisova, T.G., Usp. Khim., 2004, vol. 73, no. 11, p. 1181 [Russ. Chem. Rev. (Engl. Transl.), vol. 73, no. 11, p. 1091].
Denisov, E.T. and Tumanov, V.E., Usp. Khim., 2005, vol. 74, no. 9, p. 905 [Russ. Chem. Rev. (Engl. Transl.), vol. 74, no. 9, p. 825].
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Original Russian Text © T.S. Pokidova, E.T. Denisov, 2009, published in Kinetika i Kataliz, 2009, Vol. 50, No. 5, pp. 663–673.
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Pokidova, T.S., Denisov, E.T. Ester decomposition as a two-center synchronous reaction. Kinet Catal 50, 636–646 (2009). https://doi.org/10.1134/S0023158409050048
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DOI: https://doi.org/10.1134/S0023158409050048