Fungicidal N-(2-cyano-2-alkoxyimino acetamido)cyclohexamethyleneimine derivatives

An aminal of the formula ##STR122## in which R.sup.1 represents straight-chain or branched alkyl having 1 to 6 carbon atoms which is optionally substituted by one to five identical or different substituents selected from the group consisting of fluorine, chlorine, bromine, iodine, cyano, --COOR.sup.I, --CONR.sup.II R.sup.III, --OR.sup.IV, acyl having 2 to 9 carbon atoms and phenyl which is optionally substituted by one to five identical or different substituents, substituents on the phenyl being halogen, alkyl or alkoxy having in each case 1 to 4 carbon atoms or halogenoalkyl or halogenoalkoxy having in each case 1 or 2 carbon atoms and 1 to 5 identical or different halogen atoms;

• further possible substituents on the alkyl being cycloalkyl having 3 to 6 carbon atoms which is optionally substituted by one to five identical or different alkyl radicals having 1 to 4 carbon atoms;
• or R.sup.1 represents straight-chain or branched alkenyl or alkynyl having 2 to 6 carbon atoms, in each case optionally substituted by one to three identical or different alky groups having 1 to 4 carbon atoms;
• or R.sup.1 represents cycloalkyl having 3 to 6 carbon atoms or cycloalkenoyl having 5 to 7 carbon atoms, in each case optionally substituted by one to five identical or different alkyl groups having 1 to 4 carbon atoms;
• R.sup.2 represents hydrogen, or represents straight-chain or branched alkyl having 1 to 6 carbon atoms which is optionally substituted by one to five identical or different substituents selected from the group consisting of cyano, alkoxy and alkylthio having in each case 1 to 4 carbon atoms, --COOR.sup.I, acylamino having 2 to 9 carbon atoms and phenyl which is optionally substituted by one to five identical or different substituents, possible substituents being the substituents on phenyl already mentioned for R.sup.1 ;
• further possible alkyl substituents are cycloalkyl having 3 to 6 carbon atoms which is optionally substituted by one to five identical or different alkyl groups having 1 to 4 carbon atoms;
• or R.sup.2 represents straight-chain or branched alkenyl or alkynyl having 2 to 6 carbon atoms, in each case optionally substituted identically or differently one to three times by phenyl which is optionally substituted by one to five identical or different halogen atoms and alkyl groups having 1 to 4 carbon atoms;
• or R.sup.2 represents cycloalkyl having 3 to 6 carbon atoms or cycloalkenyl having 5 to 7 carbon atoms, in each case optionally substituted by one to five identical or different alkyl groups having 1 to 4 carbon atoms;
• or R.sup.2 represents phenyl which is optionally substituted by one to five identical or different substituents, possible substituents being the substituents on phenyl already mentioned for R.sup.1 ;
• R.sup.1 represents hydrogen or straight-chain or branched alkyl having 1 to 6 carbon atoms,
• R.sup.II and R.sup.III are identical or different and represent hydrogen, straight-chain or branched alkyl having 1 to 6 carbon atoms and phenylalkyl which has 1 to 4 carbon atoms in the straight-chain or branched alkyl part and is optionally substituted by one to five identical or different substituents, substituents on phenyl being selected from the group consisting of halogen, alkyl and alkoxy having in each case 1 to 4 carbon atoms, and halogenoalkyl and halogenoalkoxy having in each case 1 or 2 carbon atoms and 2 to 5 identical or different halogen atoms;
• or R.sup.II furthermore represents alkoxycarbonylalkyl, carbamoylalkyl, alkylcarbamoylalkyl or dialkylcarbamoylalkyl having in each case 1 to 4 carbon atoms in each alkyl part, or represents cycloalkyl having 3 to 6 carbon atoms which is optionally substituted by one to five identical or different straight-chain or branched alkyl radicals having 1 to 4 carbon atoms;
• R.sup.IV represents hydrogen, straight-chain or branched alkyl having 1 to 6 carbon atoms or phenylalkyl which has 1 to 4 carbon atoms in the straight-chain or branched alkyl part and is optionally substituted by one to five identical or different substituents on the phenyl by those substituents mentioned for R.sup.II ;
• or R.sup.IV furthermore represents acyl having 2 to 9 carbon atoms;
• and
• R.sup.V represents hydrogen, straight-chain or branched alkyl having 1 to 6 carbon atoms or phenylalkyl which has 1 to 4 carbon atoms in the straight-chain or branched alkyl part and is optionally substituted by one to five identical or different substituents, possible substituents on phenyl being the substituents on phenyl mentioned for R.sup.II.