Method of oxidizing secondary alkyl substituted naphthalenes...

Details Method of oxidizing secondary alkyl substituted naphthalenes... Method of oxidizing secondary alkyl substituted naphthalenes...

C - Chemistry, Metallurgy

07

C

260/642.4, 260/6

C07C 37/60 (2006.01) C07C 37/08 (2006.01) C07C 39/14 (2006.01) C07C 409/08 (2006.01) C07C 409/12 (2006.01)

Patent

CA 1291767

ABSTRACT A method of oxidizing secondary alkyl substituted naphthalenes with molecular oxygen in a liquid phase to hydro- peroxides, carbinols or mixtures of these, which comprises: oxidizing the secondary alkyl substituted naphthalenes in the presence of an aromatic hydrocarbon having a fused ring which contains at least one methylene group therein in amounts of not more than about 1000 ppm based on the secondary alkyl substituted naphthalene used. A process of producing isopropylnaphthols is also disclosed, which comprises: oxidizing diisopropylnaphthalenes with molecular oxygen in a liquid phase to diisopropylnaph- thalene monohydroperoxides in the presence of (a) either an aromatic hydrocarbon having a fused ring which contains at least one methylene group therein, or a paladium catalyst soluble in the reaction mixture, and (b) an organic polar compound such as acetonitrile; and then acid-decomposing the diisopropylnaphthalene monohydroperoxide to the isopropyl- naphthol.

576993

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