Substituted pyridine derivatives and pesticides containing them

A substituted pyridine compound of the formula I ##STR29## where R.sup.1 is hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.4 -alkoxy-C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkylthio-C.sub.1 -C.sub.4 -alkyl, C.sub.2 -C.sub.6 -alkenyl, C.sub.2 -C.sub.6 -alkynyl, C.sub.3 -C.sub.7 -cycloalkyl, where the cycloalkyl radical may be monosubstituted, disubstituted or trisubstituted by C.sub.1 -C.sub.4 -alkyl, or halogen, phenyl, phenoxy-C.sub.1 -C.sub.4 -alkyl, phenylmercapto-C.sub.1 -C.sub.4 -alkyl, phenyl-C.sub.1 -C.sub.4 -alkyl, phenoxy or phenylmercapto, where the six last-mentioned radicals may be monosubstituted, disubstituted or trisubstituted in the phenyl moiety by halogen, nitro, cyano, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkylthio, C.sub.1 -C.sub.4 -haloalkyl or C.sub.1 -C.sub.4 -haloalkoxy;

• R.sup.2, R.sup.3 and R.sup.4 independently of one another are each hydrogen, C.sub.1 -C.sub.6 -alkyl or phenyl where the phenyl radical may be monosubstituted, disubstituted or trisubstituted by halogen, nitro, cyano, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkylthio, C.sub.1 -C.sub.4 -haloalkyl or C.sub.1 -C.sub.4 -haloalkoxy;
• R.sup.5 is hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.7 -cycloalkyl, C.sub.3 -C.sub.7 -cycloalkyl-C.sub.1 -C.sub.4 -alkyl, where the two last mentioned radicals may be monosubstituted, disubstituted or trisubstituted in the cycloalkyl moiety by C.sub.1 -C.sub.4 -alkyl, or C.sub.1 -C.sub.4 -haloalkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkylthio, C.sub.1 -C.sub.4 -alkoxy-C.sub.1 -C.sub.4 -alkyl, R.sup.8 R.sup.9 N--, C.sub.1 -C.sub.4 -alkylthio-C.sub.1 -C.sub.4 -alkyl, hydroxyl, halogen, C.sub.2 -C.sub.6 -alkenyl, C.sub.2 -C.sub.6 -alkynyl, C.sub.3 -C.sub.6 -alkenyloxy, C.sub.3 -C.sub.6 -alkynyloxy, phenyl, phenoxy, phenyl-C.sub.1 -C.sub.4 -alkyl, phenoxy-C.sub.1 -C.sub.4 -alkyl, phenylmercapto-C.sub.1 -C.sub.4 -alkyl or phenylmercapto, where the six last-mentioned radicals may be monosubstituted, disubstituted or trisubstituted in the phenyl moiety by halogen, nitro, cyano, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkylthio, C.sub.1 -C.sub.4 -haloalkyl or C.sub.1 -C.sub.4 -haloalkoxy;
• R.sup.6 is hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkoxycarbonyl, halogen or phenyl, where the phenyl radical may be monosubstituted, disubstituted or trisubstituted by halogen, nitro, cyano, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkylthio, C.sub.1 -C.sub.4 -haloalkyl or C.sub.1 -C.sub.4 -haloalkoxy, or
• R.sup.5 and R.sup.6 together form a polymethylene chain of the formula --(CH.sub.2).sub.m -- in which m is 3 or 4;
• R.sup.7 is hydrogen, C.sub.1 -C.sub.12 -alkyl, C.sub.3 -C.sub.12 -alkenyl, C.sub.3 -C.sub.8 -alkynyl, where the three last-mentioned groups may be monosubstituted, disubstituted or trisubstituted by halogen, or C.sub.1 -C.sub.6 -alkoxy-C.sub.2 -C.sub.10 -alkyl, monocyclic or polycyclic C.sub.3 -C.sub.10 -cycloalkyl or C.sub.3 -C.sub.10 -cycloalkylmethyl, where these rings may be monosubstituted, disubstituted or trisubstituted by C.sub.1 -C.sub.4 -alkyl or monosubstituted by phenyl, or monocyclic or polycyclic C.sub.5 -C.sub.10 -cycloalkenyl or C.sub.5 -C.sub.10 -cycloalkenylmethyl, where these rings may be monosubstituted, disubstituted or trisubstituted by C.sub.1 -C.sub.4 -alkyl or monosubstituted by phenyl, or phenyl or phenyl-C.sub.1 -C.sub.6 -alkyl, phenyl-C.sub.3 -C.sub.6 -alkenyl or phenoxy-C.sub.2 -C.sub.6 -alkyl, where the four last-mentioned radicals may be monosubstituted, disubstituted or trisubstituted in the phenyl moiety by halogen, nitro, cyano, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -haloalkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -haloalkoxy or C.sub.1 -C.sub.4 -alkylthio;
• R.sup.8 and R.sup.9 independently of one another are each hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.6 -alkenyl, C.sub.3 -C.sub.6 -alkynyl, C.sub.3 -C.sub.7 -cycloalkyl, where the cycloalkyl radical may be monosubstituted, disubstituted or trisubstituted by C.sub.1 -C.sub.4 -alkyl, or phenyl or phenyl-C.sub.1 -C.sub.4 -alkyl, where the two last-mentioned radicals may be monosubstituted, disubstituted or trisubstituted in the phenyl moiety by halogen, nitro, cyano, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkylthio, C.sub.1 -C.sub.4 -haloalkyl or C.sub.1 -C.sub.4 -haloalkoxy, or the two radicals R.sup.8 and R.sup.9, together with the nitrogen atom to which they are bonded, form an unsubstituted or monosubstituted, disubstituted, trisubstituted or tetrasubstituted 5- to 7-membered, saturated or unsaturated heterocyclic structure having 1 to 3 identical or different heteroatoms selected from the group consisting of nitrogen, oxygen and sulfur, and the substituent C.sub.1 -C.sub.4 -alkyl;
• X is CH or N;
• Y is ##STR30## R.sup.10 is hydrogen or C.sub.1 -C.sub.6 -alkyl and R.sup.11 is hydrogen, C.sub.1 -C.sub.6 -alkyl or C.sub.3 -C.sub.8 -cycloalkyl, where the cycloalkyl radical may be monosubstituted, disubstituted or trisubstituted by C.sub.1 -C.sub.4 -alkyl or monosubstituted by phenyl, or phenyl or phenyl-C.sub.1 -C.sub.4 -alkyl, where the two last-mentioned radicals may be monosubstituted, disubstituted or trisubstituted in the phenyl moiety by halogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy or C.sub.1 -C.sub.4 -haloalkyl, or its plant-tolerated acid addition salts or metal salt complexes, with the exception of the compounds E-6-formyloximino-4-methoxy-2,2'-bipyridine, Z-6-formyloximino-4-methoxy-2,2'-bipyridine and 6-formyl-O-methyloximino-4-methoxy-2,2'-bipyridine.