Liquid-phase oxidation of hydrocarbons. Part 4.—Indene and tetralin: occurrence and mechanism of the thermal initiation reaction with oxygen
- 1 January 1966
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Transactions of the Faraday Society
- Vol. 62, 3403-3415
- https://doi.org/10.1039/tf9666203403
Abstract
A study has been made of the possibility of a liquid-phase molecular reaction between oxygen and the hydrocarbons indene and tetralin by fully inhibiting the autoxidation chain. The hydroperoxide-inhibitor reaction AH+ROOH→A˙+RO˙+H2O is believed responsible for the autoacceleration observed. The occurrence of an oxygen+hydrocarbon reaction by a third-order reaction has been reasonably established. This order is consistent with a termolecular process, [graphic omitted] where ki= 2.4 × 105 exp (–23800±1500//RT )mole–2 l.2 sec–1, (tetralin)ki= 3.9 × 103 exp (–18800±1500//RT )mole–2 l.2 sec–1. (indene) The mechanisms of the initiation processes are discussed, and the possible role of charge transfer complexes is considered.Keywords
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