A compound of the formula ##STR1## wherein Ar is phenyl optionally substituted with at least one member of the group consisting of halogen, methylenedioxy, phenyl, phenoxy, --CF.sub.3 and alkyl, alkoxy and alkylthio of 1 to 6 carbon atoms, Z is selected from the group consisting of hydrogen, chlorine, --CF.sub.3 and alkyl, alkoxy and alkylthio of 1 to 6 carbon atoms, R.sub.1 and R.sub.2 are individually alkyl of 1 to 6 carbon atoms and the exocyclic double bonds independently have (E) or (Z) geometry having fungicidal activity and a process for their preparation.
化合物的式子为##STR1##其中Ar是苯基,可选择地取代至少一种来自卤素、亚甲二氧基、苯基、苯氧基、--CF.sub.3和1到6个碳原子的烷基、烷氧基和烷
硫基的群体,Z选自氢、
氯、--CF.sub.3和1到6个碳原子的烷基、烷氧基和烷
硫基的群体,R.sub.1和R.sub.2分别是1到6个碳原子的烷基,外环双键独立地具有(E)或(Z)几何构型,具有杀真菌活性,并提供其制备方法。