Process for preparing resorcinol

Details Process for preparing resorcinol Process for preparing resorcinol

C - Chemistry, Metallurgy

07

C

260/618.7

C07C 39/08 (2006.01) C07C 37/08 (2006.01)

Patent

CA 1097375

ABSTRACT OF THE DISCLOSURE A process for preparing resorcinol in improved yields while avoiding the formation of reactive by-products which compriese (1) a first step of pre-treating an oxidation product of m-diisopropylbenzene composed of m-diisopropylbenzene dihydroperoxide and by-product m-substituted carbinol hydroperoxide and/or dicarbinol with an acid catalyst in the presence of hydrogen peroxide in a heterogeneous system of an aqueous aromatic hydrocarbon solvent under conditions which do not substantially cause the acid cleavage, the pretreatment being performed while removing by-product water as an azetrope with the aromatic hydrocarbon in the treating system, and (2) a second step of acid-cleaving the pre-treated reaction product in the substantial absence of hydrogen peroxide. - 1 -

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