Insecticidal heterocyclic compounds

DETAILED DESCRIPTION What is claimed is: 1.
A heterocyclic compound of the formula: ##STR59## wherein A represents 2-chloropyridin-5-yl or 2-chlorothiazol-5-yl; Z.
sup.
1 represents O; R.
sup.
2 represents a hydrogen atom, a C.
sub.
1-4 -alkyl group or 2-chloropyridin-5-ylmethyl; X represents CH or N; Y represents NO.
sub.
2 or CN; and R.
sup.
1 represents a hydrogen atom or a methyl group.
2.
An insecticidal composition comprising an insecticidally effective amount of a compound according to claim 1 and a diluent.
3.
A method of combating insects which comprises applying to such insects or to an insect habitat an insecticidally effective amount of a compound according to claim 1.




Description:
The present invention relates to novel heterocyclic compounds, to a process for their preparation, and to their use as insecticides.
It has already been disclosed that 2-(nitromethylene) oxazolines have insecticidal activities (see ADVANCES IN PESTICIDE SCIENCE Part 2, pages 206 to 217.
That article relates to symposia papers presented at the Fourth International Congress of Pesticide Chemistry, Zurich, Switzerland, Jul.
24-28, 1978, published by Pergamon Press).
There have been found novel heterocyclic compounds of the formula (I), ##STR3## wherein A represents a five-membered or six-membered heteroaryl group comprising one to three hereto atoms selected from the group consisting of S, O and N, said heteroaryl group being unsubstituted or substituted by a halogen atom or C.
sub.
1-4 alkyl group, Z represents a three-membered straight chain each member being selected from the group consisting of CH.
sub.
2, O, S and N--R.
sup.
2 with at least one of said three members being O, S or N--R.
sup.
2, E represents CH.
sub.
2, O, S or N--R.
sup.
2, wherein R.
sup.
2 represents a hydrogen atom, a C.
sub.
1-4 alkyl group, a C.
sub.
1-4 alkoxy group or the group ##STR4## wherein R.
sup.
3 represents a or the group hydrogen atom or halogen atom, X represents CH or N, Y represents a nitro group or cyano group, and R.
sup.
1 represents a hydrogen atom or methyl group