Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1988-09-09
1990-03-06
Lone, Werren B.
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
568565, 568573, 568736, C07C 3708, C07C17902
Patent
active
049067907
ABSTRACT:
A method of oxidizing secondary alkyl substituted naphthalenes with molecular oxygen in a liquid phase to hydroperoxides, 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 napththalene used.
A process of producing isopropylnaphthols is also disclosed, which comprises: oxidizing diisopropylnaphthalenes with molecular oxygen in a liquid phase to diisopropylnaphthalene 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 isopropylnaphthol.
REFERENCES:
patent: 4503262 (1985-03-01), Gupton et al.
patent: 4783557 (1988-11-01), Haneda et al.
Hirokane Nobuya
Ishiguro Masaharu
Miki Hisaya
Lone Werren B.
Mitsui Petrochemical Industries Ltd.
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