Patent · US Expired

Pyrethroids

US4482570A · kind A · utility

3Cited by
2References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 30, 1982
Grant dateNov 13, 1984
Priority date
Expiry dateSep 30, 2002

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C61/40
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Pyrethroid type insecticides described having the formula: ##STR1## wherein A=CF.sub.3 -C.dbd.C-, ##STR2## (X=H, F, Cl, Br: Y=Cl, Br) ##STR3## (group ##STR4## is bound to the hererocyclic ring in position 2 or 3) ##STR5## --CH.sub.2 --C.tbd.C--CH.sub.2 --R.sup.9 ; wherein: PA1 R.sup.1 =H, CN, C.tbd.CH PA1 R.sup.2 =3-phenoxy, 3-benzyl, 4-allyl, 4-propargyl. PA1 R.sup.3 =H, alkyl bound to the heterocyclic ring in position 3 or 2; PA1 R.sup.4 =(in position 4 or 5 of the heterocyclic ring)=benzyl, benzoyl, phenoxy, allyl, propargyl; PA1 Y=O, S PA1 R.sup.5 and R.sup.6 =alkyl C.sub.1 -C.sub.3, or R.sup.5 and R.sup.6 together form an orthocondensed aromatic, heteroaromatic or aliphatic, saturated or unsaturated ring; PA1 R.sup.7 and R.sup.8 (equal to or different from each other)=H, halogen, CH.sub.3 ; R.sup.9 =phenyl, vinyl, vinyl substituted, phenoxy, Compounds of general formula I are endowed with a high insecticide and acaricide activity.

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