C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 231/44 (2006.01) A01N 47/02 (2006.01) A01P 7/04 (2006.01)
Patent
CA 2630849
The present invention relates to novel crystalline polymorphs, solvate pseudomorphs and amorphous form of 5-amino-l-[2,6-dichloro-4- (trifluoromethyl)phenyl] -4- [(trifluoromethyl)sulfinyl] - 1 H-pyrazole-3 - carbonitrile (fipronil). The present invention also provides methods for preparing the novel polymorphs, pseudomorphs and amorphous form, as well as insecticidal or pesticidal compositions comprising same, and methods of use thereof as pesticidal agents.
La présente invention concerne de nouveaux polymorphes cristallins, pseudomorphes solvates et formes amorphes de 5-amino-1-[2,6-dichloro-4-(trifluorométhyl)phényl]-4-[(trifluorométhyl)sulfinyl]-1H-pyrazole-3-carbonitrile (fipronil). La présente invention concerne en outre des procédés pour préparer les nouveaux polymorphes, pseudomorphes et formes amorphes, ainsi que des compositions insecticides ou pesticides comprenant ceux-ci, et des procédés d'utilisation de ceux-ci en tant qu'agents pesticides.
Makhteshim Chemical Works Ltd.
Smart & Biggar
LandOfFree
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