Method of preparing 2,6-di-tert. butylphenol

Details Method of preparing 2,6-di-tert. butylphenol Method of preparing 2,6-di-tert. butylphenol

C - Chemistry, Metallurgy

07

C

260/622.4

C07C 39/06 (2006.01)

Patent

CA 1093101

METHOD OF PREPARING 2,6-DI-TERT.BUTYLPHENOL Abstract of the Disclosure A method of preparing 2,6-di-tert.butylphenol comprises alkylation of phenol with isobutylene at a temperature within the range of from 100 to 110°C in the presence, as a catalyst, of phenyloxyorthotertbutylphenoxyhydroaluminium acid of the formula: [(OC6H5)n(ortho-tert.C4H9C6H4O)mA1] H wherein n = 1 to 3; n = 1 to 3; n + m = 4. The method of the present invention makes it possible to increase the product yield to 80% by weight and to con- duct the process under atmospheric pressure.

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