Process for the preparation of...

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C - Chemistry, Metallurgy

07

C

C07C 65/11 (2006.01) C07C 51/10 (2006.01) C07C 51/12 (2006.01)

Patent

CA 2075197

HOE 90/F 035 ABSTRACT OF THE DISCLOSURE: Process for the preparation of 2-hydroxy-naphthalene- 6-carboxylic acid 2-Hydroxy-naphthalene-6-carboxylic acid or its dipotas- sium salt is obtained in a good yield and purity without substantial formation of the isomeric compound 2-naph- thol-3-carboxylic acid by reacting potassium .beta.-naphtho- late with potassium carbonate in the presence of carbon monoxide at a temperature above 260°C in potassium formate as the solvent.

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