Certain 2,4-pentadienamide pestacides

Abstract

The present application discloses pesticidally active compounds of formula I: QQ.sup.1 CR.sup.1 .dbd.CR.sup.2 CR.sup.3 .dbd.CR.sup.4 C(.dbd.X.sup.1)NR.sup.5 R.sup.6 or a salt thereof, wherein Q is an monocyclic aromatic ring, or Q is a dihalovinyl group or a group R.sup.7 --C.dbd.C-- where R.sup.7 is C.sub.1-4 alkyl, tri C.sub.1-4 alkylsilyl, halogen or hydrogen; Q.sup.1 is a 1,2-cyclopropyl ring optionally substituted by one or more groups selected from C.sub.1-3 alkyl, halo, C.sub.1-3 haloalkyl, alkynyl, or cyano; R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are the same or different with at least one being hydrogen and the others being independently selected from hydrogen, halo, C.sub.1-4 alkyl or C.sub.1-4 haloalkyl; X.sup.1 is oxygen or sulphur; R.sup.5 is C.sub.1-8 hydrocarbyl optionally substituted, halo, cyano, trifluoromethyl, trifluoromethylthio or C.sub.1-6 alkoxy; and R.sup.6 is selected from: (A) --Y.dbd.X.sup.2 --(R.sup.8).sub.a where X.sup.2 is O or S, Y is carbon, R.sup.8 is hydrogen, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, C.sub.1-5 alkylcarbonyl or aryl or CO.sub.2 R.sup.9 where R.sup.9 is an C.sub.1-4 alkyl or aryl, and a is 1 or 2; (B) --CR.sup.15 R.sup.16 X.sup.3 R.sup.17 where R.sup.15 and R.sup.16 are hydrogen or C.sub.1-4 alkyl, X.sup.3 is oxygen or sulphur and R.sup.17 is C.sub.1-4 alkyl, C.sub.1-5 alkylcarbonyl or aralkylcarbonyl R.sup.17,R.sup.15 X.sup.3, their preparation, pesticidal compositions containing them and their use against pests.

Dependencies are inferred from the claim text.