Process for preparing alpha-arylalkanoic acids

Details Process for preparing alpha-arylalkanoic acids Process for preparing alpha-arylalkanoic acids

1984-02-03

1986-10-21

Killos, Paul J.

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

Organic compounds

Carboxylic acid esters

560 55, 560105, 562465, 562466, 562496, C07C 6976

Patent

active

046186972

ABSTRACT:
This invention relates to a process for preparing an alpha-arylalkanoic acid or salt thereof which comprises the rearrangement of an alpha-halo-alkylarylketal in neutral or slightly alkaline conditions, in the presence of a dipolar aprotic diluent and of a protic substance having a high dielectric constant, and the subsequent hydrolysis of the thus obtained ester.

REFERENCES:
patent: 4539420 (1985-09-01), Tsuchihashi et al.

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