Process for the preparation of 6-hydroxynaphthalene-1-carboxylic

Details Process for the preparation of 6-hydroxynaphthalene-1-carboxylic Process for the preparation of 6-hydroxynaphthalene-1-carboxylic

1988-07-18

1989-10-17

Chan, Nicky

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

Organic compounds

Carboxylic acids and salts thereof

C07C 51265

Patent

active

048748927

ABSTRACT:
The invention relates to the new compound 1-aminomethylnaphthalene-6-sulphonic acid, a process for its preparation by amidoalkylation of naphthalene-2-sulphonic acid and hydrolysis of the amidoalkylation product, and its use as an intermediate product for the preparation of 6-hydroxynaphthalene-1-carboxylic acid.

REFERENCES:
patent: 1785955 (1930-12-01), Herzberg et al.
patent: 3330862 (1967-07-01), Borkowski

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