Compounds of formula I ##STR1## and possible isomers and isomeric mixtures thereof, wherein a) X is CH.sub.2 F or CHF.sub.2 ; Y is CH and Z is OMe, or b) X is CH.sub.2 F or CHF.sub.2 ; Y is a nitrogen atom and Z is OMe or NHCH.sub.3, and wherein also m is 0, 1, 2, 3, 4 or 5 and U represents identical or different substituents selected from halogen, cyano, nitro, C.sub.1 -C.sub.12 alkyl, C.sub.3 -C.sub.8 cycloalkyl, C.sub.3 -C.sub.6 alkenyl, C.sub.3 -C.sub.6 alkenyloxyiminomethyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkoxyiminomethyl, C.sub.1 -C.sub.2 haloalkyl, C.sub.1 -C.sub.2 haloalkoxy, unsubstituted or substituted phenyl, unsubstituted or substituted phenoxy and unsubstituted or substituted benzyl or represents substituents at two adjacent positions of the phenyl ring of formula I that define a fused hydrocarbon bridge so as to form a larger hydrocarbon ring having up to 14 carbon atoms, are suitable for controlling and preventing microorganisms, insects and Acarina on plants. They can be used in the form of commercially customary formulated compositions.
化学式I的化合物及其可能的异构体和异构物混合物,其中a)X为
CH2F或
CHF2;Y为CH,Z为OMe,或b)X为 或 ;Y为氮原子,Z为OMe或NHCH3,m为0、1、2、3、4或5,U代表从卤素、
氰基、硝基、C1-C12烷基、C3-C8环烷基、C3-C6烯基、C3-C6烯氧基亚甲基、C1-C4烷氧基、C1-C4烷氧基亚甲基、C1-C2卤代烷基、C1-C2卤代烷氧基、未取代或取代的苯基、未取代或取代的苯氧基和未取代或取代的苄基中选择的相同或不同的取代基,或代表在化合物I的苯环的两个相邻位置上定义融合碳氢桥的取代基,从而形成具有高达14个碳原子的更大碳氢环,适用于控制和预防植物上的微
生物、昆虫和螨类。它们可以以商业惯例的配方形式使用。