Method for producing 2,6-diacetoxynaphthalene

Details Method for producing 2,6-diacetoxynaphthalene Method for producing 2,6-diacetoxynaphthalene

C - Chemistry, Metallurgy

07

C

260/490.2

C07C 69/16 (2006.01) C07C 45/46 (2006.01) C07C 45/54 (2006.01) C07C 67/05 (2006.01) C07C 67/42 (2006.01)

Patent

CA 1298852

Abstract of the Disclosure 2,6-Diacetoxynaphthalene (DAN) is produced by subjecting 6-acetoxy-2-acetonaphthone (AAN) to a Baeyer-Villiger oxidation using a peroxy compound, e.g., peracetic acid, as oxidant under conditions such that the reaction mass contains no more than about 0.1 wt.% of a mineral acid based on the weight of the initially added pure peroxy compound. The AAN is preferably produced by subjecting 2-naphthyl acetate to a Fries rearrangement or 2-naphthol to a Friedel-Crafts acetylation, to produce 6-hydroxy-2-acetonaphthone (HAN), e.g., using hydrogen fluoride as catalyst, and acetylating the HAN, e.g., with acetic anhydride.

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