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Synthesen von polyhalogenierten Butyrylchloriden, Vorläufern der pyrethroiden Haloketene
Author(s) -
Martin Pierre,
Steiner Eginhard,
Belluš Daniel
Publication year - 1980
Publication title -
helvetica chimica acta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.74
H-Index - 82
eISSN - 1522-2675
pISSN - 0018-019X
DOI - 10.1002/hlca.19800630722
Subject(s) - chemistry , free radical addition , acetic acid , pyrethroid , organic chemistry , catalysis , medicinal chemistry , pesticide , agronomy , biology
Synthesis of Polyhalogenated Butyryl Chlorides, Precursors of Pyrethroid Haloketenes The copper (I)‐catalyzed free radical addition of halomethanes to acrylates and the addition of halogenated acetic acid derivatives to fluoro‐ or chloro‐substituted ethylenes affords polyhalogenated butyric acid derivatives. Chlorides of these acids serve as precursors for haloketenes used in efficient syntheses of pyrethroids.