摘要 |
N,N'-disubstituted piperazines of the general formula I <IMAGE> (1) where the group is unsaturated (=) or saturated (-) and the substituents R1, R2 and A have the following meanings: A is -, -CH=, -CH2-, -CH2-CH2-, R1 is alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl, alkylcycloalkyl, cycloalkenylalkyl, alkylcycloalkenyl, bicycloalkyl, bicycloalkylalkyl or alkylbicycloalkyl, these radicals being unsubstituted or substituted by hydroxy, halogen, alkoxy or trialkylsilyl, R1 is further heterocycloalkyl with oxygen and/or sulfur, heterocycloalkylmethyl with oxygen and/or sulfur, alkyl-substituted heterocycloalkylmethyl with oxygen and/or sulfur, and R2 is alkyl, alkoxy, trimethylsilyl, cycloalkyl, alkylthio, and plant-physiologically tolerated salts thereof, and fungicides containing these compounds. |