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Types of Pyrethroids

Since 1995 some new types of pyrethroids with high insecticidal potency have been developed for practical use. For this reason we decided to publish a volume written by experts in various fields to review the development of new pyrethroids and offer future perspectives. This volume includes chapters on the progress and the future of pyrethroids, the biosynthesis of natural pyrethrins, newly developed polyfluorobenzyl-type pyrethroids with potent insecticidal activity, the mode of action, mammal toxicology, biotransformation and enzymatic reactions, environmental behavior, and ecotoxicology of pyrethroids. We hope that this book will contribute greatly to the further development of pyrethroids. [Pg.235]

Build-up of the hydrocarbon type of pyrethroid 415 ensues from a phenyl acetonitrile [901, 902]. The missing carbon is introduced by means of a methyl Gignard reagent (Scheme 273). [Pg.146]

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Pyrethroid

Pyrethroids

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