Patent Number: 6,166,247

Title: Method for preparing cyclopropanecarboxylic acids

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.

Inventors: Kaufhold; Manfred (Marl, DE)

Assignee: Huels Aktiengesellschaft

International Classification: C07C 51/09 (20060101); C07C 061/04 ()

Expiration Date: 12/26/2017