Wu Xiao-yan
2006
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Journal
Agrochemicals Research & Application
Abstract
By using tetrachloro-p-phthalodinitrile as a raw material, 4- methy-2,3,5,6- tetrafluorobenzyl alcohol was synthesized through six steps such as: fluorination, hydrolysis, chlorination, reduction, bromization and reduction. The resulting intermediate reacted with Z-cis-3-(2-chloro-3,3,3-trfluoro-1-propenyl)-2,2-dimeth-ylcyclopropane carbonyl chloride to give tefluthrin in overall yield over 62% with purity of 95%.