IMPROVED PROCESSES FOR THE PREPARATION OF 1-ARYL-5-ALKYL PYRAZOLE COMPOUNDS

Provided are improved processes for the preparation of 1 -aryl pyrazole compounds of formula (I) and (IB): which are substituted at the 5-position of the pyrazole ring with a carbon-linked functional group. The process described are efficient and scalable and do not utilize hazardous sulfenyl halide...

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Main Authors MENG, CHARLES Q, LE HIR DE FALLOIS, LOIC PATRICK, ZHAN, XINXI, MULHAUSER, MICHEL, LEE, HYOUNG IK, LABROSSE, JEAN-ROBERT
Format Patent
LanguageEnglish
French
Published 24.11.2020
Subjects
AGRICULTURE
ANIMAL HUSBANDRY
BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES
CHEMISTRY
FISHING
FORESTRY
HETEROCYCLIC COMPOUNDS
HUMAN NECESSITIES
HUNTING
METALLURGY
ORGANIC CHEMISTRY
PEST REPELLANTS OR ATTRACTANTS
PLANT GROWTH REGULATORS
PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF
TRAPPING
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Summary:Provided are improved processes for the preparation of 1 -aryl pyrazole compounds of formula (I) and (IB): which are substituted at the 5-position of the pyrazole ring with a carbon-linked functional group. The process described are efficient and scalable and do not utilize hazardous sulfenyl halide reagents. L'invention concerne des procédés perfectionnés pour la préparation de composés 1-arylpyrazoles de formule (I) et (IB) : qui sont substitués à la position 5 du noyau pyrazole par un groupe fonctionnel lié par carbone. Les procédés décrits sont efficaces et adaptables et n'utilisent pas de réactifs halogénures de sulfényle dangereux.
Bibliography:Application Number: CA20132870909