Oxidative coupling of alkylphenols catalyzed by metal...

Details Oxidative coupling of alkylphenols catalyzed by metal... Oxidative coupling of alkylphenols catalyzed by metal...

C - Chemistry, Metallurgy

07

C

260/396, 260/617

C07C 39/12 (2006.01) C07C 37/11 (2006.01) C07C 46/08 (2006.01) C07C 50/00 (2006.01)

Patent

CA 1075252

Abstract of the Disclosure Carbon-carbon coupled self- condensation products obtained by the oxidative coupling of alkylphenols are prepared by contacting an aqueous mixture of an alkyl phenol with oxygen in the presence of sufficient alkaline material to sustain a pH in the range of 6-9.5 during the oxidative coupling reaction and a catalyst system comprising an ammonia complex of monovalent copper; divalent copper, cobalt, nickel or manganese; or trivalent chromium or iron. The mixture may optionally contain a surfactant.

291389

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