Process for the preparation...

Details Process for the preparation... Process for the preparation...

C - Chemistry, Metallurgy

07

C

260/626.9

C07C 31/18 (2006.01) C07C 27/10 (2006.01) C07C 29/00 (2006.01)

Patent

CA 1063622

PROCESS FOR THE PREPARATION OF .alpha.,.alpha.,.alpha.',.alpha.'-TETRAMETRYL- PHENYLENE BISCARBINOLS Abstract of the Disclosure An improved process for the preparation of an .alpha.,.alpha.,.alpha.',.alpha.'-tetramethyl-phenylene-biscarbinol by the oxidation of at least one diisopropyl benzene with air or oxygen at elevated temperatures in the presence of an aqueous solution of a strong alkali, the improvement com- prises carrying out the oxidation with a carbinol content of at least 52 % by weight in the organic phase and an alkali concentration of at least 8 % by weight based on the aqueous phase and 1 to 10 % by weight based on the organic phase.

236908

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