Processes for preparing pesticidal intormediates

Compounds of formula (I) are prepared by hydrogenolysis of a compound of formula (II):where R1 is haloalkyl, haloalkoxy or -SF5; W is N or CR3; and R2 and R3 are H or Cl. The compounds of formula (I) can be used as intermediates in the preparation of pesticidally active arylpyrazole compounds.

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Bibliographic Details
Main Authors M. VANGELISTI, J.E. ANCEL, G. PERRIN JANET
Format Patent
LanguageEnglish
Published 17.04.2002
Edition7
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
APPARATUS THEREFOR
CHEMISTRY
GENERAL METHODS OF ORGANIC CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Summary:Compounds of formula (I) are prepared by hydrogenolysis of a compound of formula (II):where R1 is haloalkyl, haloalkoxy or -SF5; W is N or CR3; and R2 and R3 are H or Cl. The compounds of formula (I) can be used as intermediates in the preparation of pesticidally active arylpyrazole compounds.
Bibliography:Application Number: CN20008005760