Process for the preparation of naphthalene-1,4-dicarboxylic acid

Details Process for the preparation of naphthalene-1,4-dicarboxylic acid Process for the preparation of naphthalene-1,4-dicarboxylic acid

1981-06-22

1983-03-01

Trousof, Natalie

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

Organic compounds

Carboxylic acids and salts thereof

2604381, 260465H, 562485, C07C 5108

Patent

active

043755569

ABSTRACT:
A process for the preparation of naphthalene-1,4-dicarboxylic acid, which comprises reacting 1,4-dihalogenonaphthalene with at least 2 moles of copper-I cyanide per mole of dihalogenonaphthalene in a polar, aprotic solvent and subjecting the copper salt complex of 1,4-dicyanonaphthalene thus obtained to alkaline hydrolysis.

REFERENCES:
patent: 2716646 (1955-08-01), Willett et al.
patent: 2979526 (1961-04-01), Gasson et al.
patent: 3113964 (1963-12-01), Farkas et al.
patent: 3116313 (1963-12-01), Fierce et al.
patent: 3781343 (1973-12-01), Norton

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