Gas-phase eliminations. Part XIV. The pyrolysis of 1-(1-chloroethyl)-2-methylbenzene
- 1 January 1975
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 2
- No. 11,p. 1194-1196
- https://doi.org/10.1039/p29750001194
Abstract
The gas-phase thermal decomposition of the title compound was studied in the temperature range 285–325° and with initial pressures between 25 and 105 mmHg. The only products detected were o-methylstyrene and hydrogen chloride. The reaction, which was homogeneous and unimolecular, followed the Arrhenius equation (i). log (k/s–1)= 13.55 – 44.83 (2.303RT/kcal mol–1)–1(i) The mechanism was identified as a four-centred type related to that of the aliphatic halides rather than the six-centred one proposed for 1-chloromethyl-2-methylbenzene.Keywords
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