Derivatives of N-phenylpyrazoles
US5232940A · kind A · utility
Inventors
Key dates
| Filing date | May 7, 1990 |
| Grant date | Aug 3, 1993 |
| Priority date | — |
| Expiry date | May 7, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F7/0814
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
N-Phenylpyrazole derivatives of the formula: ##STR1## wherein R.sup.1 represents cyano, nitro, halogen, acetyl or formyl; PA0 R.sup.2 represents R.sup.5 SO.sub.2, R.sup.5 SO or R.sup.5 S in which R.sup.5 is optionally halogen substituted alkyl, alkenyl or alkynyl; PA0 R.sup.3 represents a hydrogen atom or a group NR.sup.6 R.sup.7 wherein R.sup.6 and R.sup.7 each represent hydrogen, alkyl, alkenylalkyl, alkynylalkyl, formyl, optionally halogen substituted alkanoyl, optionally halogen substituted alkoxycarbonyl, or alkoxymethyleneamino, halogen, or R.sup.6 and R.sup.7 together form a cyclic imide and R.sup.4 represents a substituted phenyl group 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.