[EN] PROCESS FOR THE PREPARATION OF 5-FLUORO-1H-PYRAZOLES STARTING FROM HEXAFLUOROPROPENE [FR] PROCÉDÉ DE PRÉPARATION DE 5-FLUORO-1H-PYRAZOLES À PARTIR D'HEXAFLUOROPROPÈNE
[EN] PROCESS FOR THE PREPARATION OF 5-FLUORO-1H-PYRAZOLES<br/>[FR] PROCÉDÉ POUR LA PRÉPARATION DE 5-FLUORO-1H-PYRAZOLES
申请人:BAYER CROPSCIENCE AG
公开号:WO2015078846A1
公开(公告)日:2015-06-04
A new process for the preparation of 5-fluoro-1H-pyrazoles of the general formula (I) as described herein, resulting from the reaction of an olefin with hydrazine in the presence of water and a base.
[EN] PROCESS FOR THE PREPARATION OF 5-FLUORO-1H-PYRAZOLES<br/>[FR] PROCÉDÉ DE PRÉPARATION DE 5-FLUORO-1H-PYRAZOLES
申请人:BAYER CROPSCIENCE AG
公开号:WO2015078847A1
公开(公告)日:2015-06-04
A new process for the preparation of 5-fluoro-1H-pyrazoles of the general formula (I) as described herein comprising reacting an olefin with an hydrazine.
[EN] NOVEL HALOGEN-SUBSTITUTED COMPOUNDS<br/>[FR] NOUVEAUX COMPOSÉS SUBSTITUÉS PAR UN HALOGÈNE
申请人:BAYER CROPSCIENCE AG
公开号:WO2016020436A1
公开(公告)日:2016-02-11
The invention relates inter alia to halogen-substituted compounds of the general formula (I), in which the substituents A1, R1-R3 and Z1-Z3 have the meanings given in the description. Also described are processes for preparing the compounds of the formula (I) and possible intermediates for the preparation of these compounds. The compounds according to the invention are particularly suitable for controlling insects, arachnids and nematodes in agriculture and ectoparasites in veterinary medicine.