Abstract
A kinetic study of phenyl acetate transformation was carried out in a batch reactor over a HBEA zeolite (framework Si/Al ratio of 11) at 160°C, sulfolane orn-dodecane being used as solvents. Whatever the solvent, phenyl acetate undergoes a monomolecular rearrangement intoo-hydroxyacetophenone, an autoacylation intop-acetoxyacetophenone plus phenol and a hydrolysis into phenol.p-hydroxyacetophenone which appears as a secondary product results from the acylation of phenol with phenyl acetate. The initial reaction rates and the product distribution depend very much on the solvent. This can be explained by the large difference in the strength of adsorption between the polar sulfolane and the non-polar dodecane solvents on the active acid sites.
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