PROCESSO PARA A SULFINILAÇÃO DE UM DERIVADO DE PIRAZOL, 5-AMINO-1-[2,6-DICLORO-4-(TRIFLUOROMETIL) FENIL] -4-(TRIFLUOROMETILSULFINIL) -PIRAZOL-3-CARBONITRILA, COMPOSIÇÃO PESTICIDA OU PARASITICIDA, USO, MÉTODOS PARA O CONTROLE DE INSETOS, ACARÍDEOS OU NEMATÓDEOS, DE PROTEGER PLANTAS EM CRESCIMENTO, PARA TRATAR, CONTROLAR, PREVENIR OU PROTEGER ANIMAIS, E, PROCESSO PARA A PREPARAÇÃO DE UMA COMPOSIÇÃO.

摘要

The present invention relates to a process for the of a pyrazole derivative, characterized in that 5-amino-1-[2,6-dichloro-4-(trifluoromethyl)phenyl]-1H-pyrazole-3-carbonitrile (II) is reacted with a sulfinylating agent selected from trifluoromethylsulfinic acid, trifluoromethylsulfinic acid anhydride, and a trifluoromethylsulfinate alkaline or alkaline earth metal salt and mixtures of the acid and/or the salt(s), in the presence of at least one amine acid complex wherein the amine(s) are selected from tertiary amines and the acid(s) are selected from hydrofluoric, hydrochloric, hydrobromic and hydroiodic acid and sulfonic acid derivatives, and with the addition of a halogenating agent.