PROCESS FOR THE PREPARATION OF OPTICALLY ACTIVE OR

专利名称：PROCESS FOR THE PREPARATION OF

OPTICALLY ACTIVE OR RACEMICCYCLOPROPANE-CARBOXYLIC-ACIDCHLORIDES

发明人：SZEKELY, István,ZOLTAN, Sándor,NAGY,

Lajos,BERTOK, Béla,SOMFAI, Eva,HIDASL,György,IMREI, Lajos,LAK, István,THURNER,Angelika

申请号：EP90910860.7申请日：19900727公开号：EP0494146B1公开日：19951025

摘要：The present invention relates to a new process for the preparation ofcyclopropane carboxylic acid chlorides of formula (I), wherein A is a halogen atom or aC1-4 alkyl group, line SIMILAR is indicating an alpha or beta space position compared tothe plane of the cyclopropane ring. The compounds of formula (I) are intermediates ofthe pyrethroide synthesis.

申请人：CHINOIN GYOGYSZER ES VEGYESZETI TERMEKEK GYARA RT.

代理机构：Skailes, Humphrey John

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