Process for oxidizing 2,6-diisopropylnaphthalene

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

C - Chemistry, Metallurgy

07

C

260/490.2, 260/6

C07C 39/14 (2006.01) C07C 37/58 (2006.01)

Patent

CA 1279654

ABSTRACT In a process for producing 2,6-dihydroxynaphtha- lene from 2,6-diisopropylnaphthalene, 2,6-diisopropyl- naphthalene is oxidized in the presence of a specific proportion of a basic compound to hydroxylate or hydro- peroxylate 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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