Patents Assigned to IRVITA PLANT PROTECTION, A BRANCH OF CELSIUS PROPERTY B.V.
  • FIPRONIL PRODUCTION PROCESS
    Publication number: 20140155620
    Abstract: An improved oxidation process for preparing 5-amino-3-cyano-1-(2,6-dichloro-4-trifluoromethylphenyl)-4-trifluoromethylsulphinyl-pyrazole, of formula (I) is described. The process includes admixing 5-amino-3-cyano-1-(2,6-dichloro-4-trifluoromethylphenyl)-4-trifluoromethylthiopyrazole of formula (II) with dichloroacetic acid and hydrogen peroxide in the presence of a strong acid.
    Type: Application
    Filed: February 6, 2014
    Publication date: June 5, 2014
    Applicant: IRVITA PLANT PROTECTION, A BRANCH OF CELSIUS PROPERTY B.V.
    Inventors: Anat LEVIN, Michael GRABARNICK