Process for preparing 6-(lower) alkoxy-1-naphthoic acids and the

Details Process for preparing 6-(lower) alkoxy-1-naphthoic acids and the Process for preparing 6-(lower) alkoxy-1-naphthoic acids and the

1985-09-27

1988-04-19

Killos, Paul J.

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

Organic compounds

Carboxylic acid esters

562467, C07C 6976

Patent

active

047391006

ABSTRACT:
The present invention provides a process for preparing 6-(lower)alkoxy-1-naphthoic acids, the corresponding esters and 5-halo substituted derivatives thereof. The process comprises reacting furoic acid with an alkoxyphenyl compound, followed by acid hydrolysis to form a mixture of alkoxy and hydroxy substituted naphthoic acids, subjecting said mixture to the action of an alkylating agent, and optionally further treating the alkylated product to another hydrolysis step or a halogenation step.

REFERENCES:
Price, C. et al, JACS, vol. 63, 1941, pp. 1857-1861.

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