Method for preparing cyclopropanecarboxylic acids

Details Method for preparing cyclopropanecarboxylic acids Method for preparing cyclopropanecarboxylic acids

1998-05-22

2000-12-26

Geist, Gary

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

Organic compounds

Carboxylic acids and salts thereof

562400, C07C 6104

Patent

active

06166247&

ABSTRACT:
The invention relates to a novel method for preparing cyclopropanecarboxylic acids by acidolysis of the corresponding esters, using an alkylbenzenesulfonic acid represented by the formula: ##STR1## as the reaction catalyst, where m+n is 5 to 15. Process-engineering improvements and simplifications are achieved with this process.

REFERENCES:
patent: 3023183 (1962-02-01), Nelson
patent: 4683089 (1987-07-01), Leigh
Kirk-Othmer, Esterification, Encyclopedia of Chemical Tech., pp. 307-308, Apr. 1980.
Friedhelm Korte, Georg Thieme Verlag, Stuttgart, pp. 563-564, "Methodicum Chimicum [Latin: Chemical Methods]", 1975.

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