Patent · US Expired

Benzophenone hydrazone derivatives as insecticides

US6077866A · kind A · utility

1Cited by
6References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 10, 1996
Grant dateJun 20, 2000
Priority date
Expiry dateMay 10, 2016

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07F7/081
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Novel benzophenonehydrazone derivatives represented by the formula (I): ##STR1## wherein, R.sup.1 is halogen; R.sup.2 is hydrogen or C.sub.1-4 alkyl; R.sup.3 is cyano, optically substituted C.sub.1-4 alkyl, C.sub.2-4 alkenyl, C.sub.3-4 alkynyl, C.sub.1-4 alkyl-carbonyl or C.sub.1-4 alkoxy-thiocarbonyl; R.sup.4 is hydrogen, phenyl, optionally substituted C.sub.1-6 alkyl, optionally substituted C.sub.2-8 alkenyl, --CO--R.sup.8, --CO--O--R.sup.9 or ##STR2## R.sup.5 is hydrogen, formyl, phenyl, optionally substituted C.sub.1-8 alkyl, optionally substituted C.sub.2-8 alkenyl, optionally substituted C.sub.3-8 alkynyl, optionally substituted C.sub.1-8 alkyl-arbonyl, optionally substituted C.sub.1-6 alkyl-oxalyl, optionally substituted C.sub.1-8 alkoxy-carbonyl, optionally substituted C.sub.1-8 alkoxy-oxalyl, optionally substituted C.sub.3-8 cycloalkyl-carbonyl, optionally substituted C.sub.2-8 alkenyl-carbonyl or optionally substituted benzoyl; R.sup.6 is hydrogen or halogen; R.sup.7 is hydrogen, halogen or C.sub.1-2 alkyl, C.sub.1-4 alkyl-carbonyl or C.sub.1-4 alkoxy-thiocarbonyl; n is 0, 1 or 2, provided that n is 0 when R.sup.3 is cyano, C.sub.1-4 alkyl-carbonyl or C.sub.1-4 alkoxy-thi…

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