| abstract |
Compounds of the formula Iin whichY is hydrogen, C1-C4alkyl, C1-C4alkoxy, OH, CN, NO2, Si(CH3)3, CF3 or halogen,Z is a group a)R1 is hydrogen, C1-C4alkyl, C2-C4alkenyl, C2-C4-alkynyl, C3-C6cycloalkyl, phenyl which is unsubstituted or at most trisubstituted by halogen, C1-C4alkyl, C1-C4alkoxy, C1-C4alkylthio, or benzyl which is unsubstituted or at most trisubstituted in the aromatic ring in the same manner; or is cyclopropylmethyl, C1-C4haloalkyl, C2-C5alkoxyalkyl, cyanomethyl, CO-R6, OH, NH2, C1-C4alkylamine or C1-C4alkoxycarbonyl-C1-C2alkyl;X is oxygen, sulfur or NR5;R2 is hydrogen, C1-C4alkyl, C2-C4alkenyl, C2-C4alkynyl, C3-C6cycloalkyl, C(O)R6, OH or C1-C4alkoxy, NH2 or C1-C4alkylamine;R5 is hydrogen, C1-C4alkyl, C2-C4alkenyl or C2-C4alkynyl;R6 is hydrogen, C114 C4alkyl, C1-C4haloalkyl, C1-C4alkoxy, C3-C6cycloalkyl, C1-C4alkoxycarbonyl or phenyl which is unsubstituted or at most trisubstituted; and in which R3 and R4 independently of one another are hydrogen, cyano, C1-C4alkyl, halo-C1-C4alkyl, C2-C4alkenyl, C2-C4alkynyl, C3-C6cycloalkyl, cyclopropylmethyl, C1-C4alkoxy, C2-C5alkoxyalkyl, C2-C4alkoxycarbonyl, C1-C4alkylthio, C2-C5-alkylthioalkyl; a ring having not more than 15 ring carbon atoms which can be polymembered and is unsubstituted or at most trisubstituted and has 0-3 hetero atoms N, O or S, it being possible for this ring to be bonded via an aliphatic bridge having not more than 4 carbon atoms and/or via either CO, oxygen or sulfur; orin which R3 and R4 together with the shared carbon atom are a ring or a polymembered ring system having not more than 15 ring carbon atoms which is unsubstituted or at most trisubstituted and has 0-3 hetero atoms N, O or S;are suitable for controlling and preventing attack by microorganisms of plants. They can be used in the form of commercially available formulated compositions. |