Patent · US Expired

Pesticidal 3-cyano-5-alkoxy-1-arylpyrazoles, compositions and use

US4918085A · kind A · utility

33Cited by
1References
28Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 2, 1989
Grant dateApr 17, 1990
Priority date
Expiry dateMar 2, 2009

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07F9/65031
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The invention describes novel 3-cyano-4-sulfenylated-5-alkoxy-1-arylpyrazoles of general formula (I) ##STR1## wherein typically preferred substituents are: R is C.sub.1 to C.sub.4 alkyl fully substituted by halogen; PA1 R.sub.1 is C.sub.1 to C.sub.4 alkyl, C.sub.3 to C.sub.6 alkenyl and alkynyl or aralkyl (each of which may be optionally substituted), dialkylaminocarbonyl or a group --P(=X)(Oalkyl)(Salkyl) wherein X is oxygen or sulfur; PA1 R.sub.2, R.sub.3, R.sub.5 and R.sub.6 are each hydrogen or halogen; PA1 R.sub.4 is CF.sub.3, OCF.sub.3, SCF.sub.3, SOCF.sub.3, SO.sub.2 CF.sub.3, OCHF.sub.2, halogen or alkyl; and n is 0, 1 or 2. The invention further relates to intermediates and processes to make the compounds and to compositions thereof and to methods of control of arthopod (especially insect) nematode, helminth, and protozoan pests.

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