Manufacture of Esfenvalerate

Introduction

Fervaleric acid [2-(4-chlorophenyl)-3-methylbutyric acid] is resolved into S-2 (4-Chlorophenyl)-3-Methyl butyric acid, which is converted into acid chloride followed by reaction with m-phenoxy benzaldehyde and sodium cyanide diastermic mixture. The product thus obtained transform into a single active isomer esfenvalerate. This can be implemented in existing synthetic pyrethroid manufacturing unit

Applications

Esfenvalerate is a potent contact oral infested insecticide with very broad range of activity, especially effective against Coleoptera, Hemiphera, Lepidoptera and orthoptera on cotton, fruits, vegetables and other crops.

Technology Transfer Assistance Offered

Know-how, Consultancy, Design evaluation, Basic / Detail designs for commercial plant, commissioning assistance, performance guarantees on RM construction, quality of product, capacity of the plant.

For further information please contact

Shri. G. Sampath Kumar
Scientist 'F' & Head, Business Development
Indian Institute of Chemical Technology
Tarnaka, Hyderabad – 500 007
India