Process for oxidizing 2,6-diisopropylnaphthalene

Details Process for oxidizing 2,6-diisopropylnaphthalene Process for oxidizing 2,6-diisopropylnaphthalene

1990-02-02

1991-02-26

Shippen, Michael L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

560139, 568565, 568569, C07C 3914

Patent

active

049963724

ABSTRACT:
In a process for producing 2,6-dihydroxynaphthalene from 2,6-diisopropylnaphthalene, 2,6-diisopropylnaphthalene is oxidized in the presence of a specific proportion of a basic compound to hydroxylate or hydroperoxylate 2,6-diisopropylnaphthalene in a high conversion, and the resulting intermediate is then subjected to acid cleavage in the presence of hydrogen peroxide to produce 2,6-dihydroxynaphthalene in a high yield. The yield of 2,6-dihydroxynaphthalene increases by subjecting the reaction mixture containing the above intermediate to a purifying operation or dehydrating operation or adding acetone to it before it is submitted to the acid cleavage. 2,6-Dihydroxynaphthalene may be reacted with acetic anhydride to obtain 2,6-diacetoxynaphthalene.

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patent: 4503262 (1985-03-01), Gupton
Wagner, "Synthetic Organic Chemistry," pp. 479-483 (1953).

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