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Issue 11, 1974
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Thermal unimolecular decomposition of 2,3-dihydro-p-dioxin

Henry M. Frey  and  Robert A. Smith 

Abstract

The thermal decomposition of 2,3-dihydro-p-dioxin has been studied at temperatures from 335 to 401° and pressures from 2 to 20 Torr. Under these conditions the reaction is kinetically of the first order and probably unimolecular and yields ethylene and glyoxal quantitatively. The rate constants fit the Arrhenius equation (i). The decomposition is almost certainly concerted. log (k/s–1)= 14·550 ± 0·071 –(221,420 ± 870 J mol–1)/RTIn 10 (i)

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Article type: Paper
DOI: 10.1039/P29740001407
Citation: J. Chem. Soc., Perkin Trans. 2, 1974,0, 1407-1408
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    Thermal unimolecular decomposition of 2,3-dihydro-p-dioxin

    H. M. Frey and R. A. Smith, J. Chem. Soc., Perkin Trans. 2, 1974, 0, 1407
    DOI: 10.1039/P29740001407

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