Substituted azines as pesticides
The invention relates to compounds of the general formula (I), wherein the variable have the meanings as indicated in the claims, or a physiologically acceptable salt thereof. The active ingredients have advantageous pesticidal properties. They are especially suitable for controlling endoparasites in warm-blooded animals.
1. A compound of formula
wherein one of Z 1 and Z 2 is N and the other one is CH; one of R 1 and R 1 ′ is H and the other one is H; Ar 1 is phenyl which is substituted by 1 or 2 same or different radicals selected from the group consisting of halogen and C 1 -C 2 -haloalkyl;
Ar 2 is phenyl which is substituted by 1 or 2 same or different radicals selected from the group consisting of halogen, cyano, nitro, C 1 -C 2 -haloalkyl, C 1 -C 2 -haloalkoxyl and C 1 -C 2 -haloalkylthio;
L 1 is a radical of formula
L 2 is a radical of formula
wherein Y is —CH 2 — or —C(O)—, t is 0, X 5 is O, and X 6 is NH; or a physiologically acceptable salt thereof.
2. A composition for the control of parasites, which contains as active ingredient at least one compound of claim 1 , in addition to carriers and/or dispersants.
3. A method of controlling endoparasites, on warm-blooded animals, which comprises administering to the warm-blooded animals a veterinary effective amount of at least one compound of claim 1 .