Process for preparing phenyl-acetic acid esters

Details Process for preparing phenyl-acetic acid esters Process for preparing phenyl-acetic acid esters

1974-08-06

1976-07-06

Raymond, Richard L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260297R, 2605676M, 260473R, 260476R, C07C 6700, C07D31768, C07C 6718

Patent

active

039681246

ABSTRACT:
A process for preparing a substituted phenyl-acetic acid ester of the formula (I), ##SPC1##
wherein R.sub.1 is an ethyl group or an isopropyl group, R.sub.2 is a hydrogen atom, a C.sub.1 -C.sub.4 alkyl group, a methoxy group, a halogen atom or a methylenedioxy group, which comprises reacting a quaternary ammonium salt of the formula (III), ##SPC2##
wherein X is a halogen atom, and A is an alkylamine, pyridine or an N-alkylaniline, with a carboxylic acid of the formula (II), ##SPC3##
wherein R.sub.1 and R.sub.2 are each as defined above, its reactive derivative, or a mixture of the acid and its reactive derivative.

REFERENCES:
wagner et al., Synthetic Organic Chemistry, John Wiley & Sons, Inc. (London) 1953, p. 484.
Smith, Open-Chain Nitrogen Compounds, W. A. Benjamin, Inc. (New York) 1965 pp. 23-25.

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