Derivatives of N-phenylpyrazoles
US6372774B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 16, 1999 |
| Grant date | Apr 16, 2002 |
| Priority date | — |
| Expiry date | Jul 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.