A process for the preparation of synthetic pyrethroid insecticides

PK141445AUndetermined Publication Date: 2012-08-15SYNGENTA PARTICIPATIONS AG +1
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Patent Information

Authority / Receiving Office
PK · PK
Patent Type
Applications
Current Assignee / Owner
SYNGENTA PARTICIPATIONS AG
Publication Date
2012-08-15
Patent Text Reader

Abstract

The invention relates to a process for the preparation of synthetic pyrethroid insecticides. The process involves coupling of carboxylic acid (IV) with an alcohol (V) in the presence of a catalyst. wherein R1, R2, R3 and Ar are defined in the specification.
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