Process for producing n,o-diacetyl-6-amino-2-naphthol

Details Process for producing n,o-diacetyl-6-amino-2-naphthol Process for producing n,o-diacetyl-6-amino-2-naphthol

C - Chemistry, Metallurgy

07

C

260/489.7

C07C 233/54 (2006.01) C07C 45/46 (2006.01) C07C 45/54 (2006.01) C07C 49/83 (2006.01)

Patent

CA 1281037

ABSTRACT OF THE DISCLOSURE N,O-diacetyl-6-amino-2-naphthol is produced by subjecting 2-naphthyl acetate to a Fries rearrangement or 2-naphthol and an acetylating agent to a Friedel-Crafts acetylation to form 6-hydroxy-2-acetonaphthone which is then reacted as is or as its acetate ester with hydroxylamine or a hydroxylamine salt to farm 6-hydroxy -2-acetonaphthone oxime. The oxime is then subjected to a Beckmann rearrangement and accompanying acetylation with acetic anhydride to form the N,O-diacetyl-6-amino-2-naphthol.

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