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

1986-06-17

1988-10-18

Shippen, Michael L.

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

Organic compounds

Carboxylic acid esters

C07C10210

Patent

active

047789220

ABSTRACT:
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 form 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.

REFERENCES:
patent: 4568763 (1986-02-01), Davenport et al.
patent: 4593125 (1986-06-01), Davenport et al.

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