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, LABROSSE, Jean-Robert, LEE, Hyoung, Ik, MULHAUSER, Michel, LE HIR DE FALLOIS, Loic, Patrick, ZHAN, Xinxi
Format Patent
LanguageEnglish
French
German
Published 28.06.2017
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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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.
Bibliography:Application Number: EP20160199220