Abstract
The kinetics of thermolysis of dibenzyl ether in tetralin have been studied at 350–410°C in a hydrogen atmosphere at 8.5 MPa pressure. A kinetic model has been proposed that satisfactorily describes the process and takes into account both the known transformation of ethers into toluene and benzaldehyde and the direct destruction of ether to benzene and toluene with elimination of CO and secondary conversions of benzaldehyde. It has been shown that at lower temperatures the first reaction prevails whereas at higher temperatures both reactions become competitive. The kinetic parameters support an intramolecular rearrangement as a pathway of the first reaction and a radical mechanism as a pathway of the second.
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