Patent · US Expired

Derivatives of N-phenylpyrazoles

US5916618A · kind A · utility

21Cited by
35References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 7, 1997
Grant dateJun 29, 1999
Priority date
Expiry dateOct 7, 2017

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; 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; 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.