Novel substituted 2-(1H-1,2,4-triazolyl)-1-phenylethan-1-one ketals of the general formula ##STR1## wherein one of the two phenyl substituents is in 2-position and the other is in 4-position, and wherein R.sub.a is halogen, methyl or C.sub.1 -C.sub.3 haloalkoxy, and U and V are each independently of the other C.sub.1 -C.sub.12 alkyl, unsubstituted or substituted by halogen or C.sub.1 -C.sub.6 alkoxy, or together are an alkylene bridge selected from ##STR2## wherein R.sub.1 to R.sub.5 are as defined herein, and the acid addition salts and metal complex salts, have microbicidal properties and are especially suitable for controlling phytopathogenic microorganisms. They can be used in the form of plant protective or seed dressing agents for preventing or controlling plant pathogens.
此小说替代了通式##STR1##中一种苯基取代物位于2-位置,另一种位于4-位置,其中R.sub.a为卤素,甲基或C.sub.1-C.sub.3卤代烷氧基,U和V各自独立地为C.sub.1-C.sub.12烷基,未取代或被卤素或C.sub.1-C.sub.6烷氧基取代,或者一起是从##STR2##中选择的烷基桥,其中R.sub.1至R.sub.5如此定义,酸加合盐和
金属络合盐具有微
生物杀灭性能,特别适用于控制植物病原微
生物。它们可以用作植物保护或种子处理剂的形式,以预防或控制植物病原体。