Patent · US Expired

Derivatives of N-phenylpyrazoles

US6372774B1 · kind B1 · utility

7Cited by
34References
39Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 16, 1999
Grant dateApr 16, 2002
Priority date
Expiry dateJul 16, 2019

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07F7/0814
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

N-Phenylpyrazole derivatives of the formula: whereinR1 represents optionally halogenated alkyl;R2 represents halogen, cyano, nitro, cycloalkyl, alkenyl, thiocyanato, optionally alkyl substituted sulphamoyl, optionally alkyl substituted carbamoyl, alkoxycarbonyl, alkanoyl or optionally halogenated alkyl; and R3 represents a hydrogen atom or a group N″R′″ or a variety of other groupings. These compounds possess arthropodicidal, plant nematocidal, anthelmintic and anti-protozoal properties; their preparation, compositions containing them and their use are described.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.