N-(3,5-dihalophenyl)-{60 -spirocycloalkanesuccinimides, and their preparation and use

摘要

N-(3,5-Dihalophenyl)- alpha -spirocycloalkanesuccinimides of the formula: <IMAGE> wherein X is a chlorine or bromine atom and R is a C3-C6 alkylene group, which show high fungicidal activities without any material toxicity to mammals and plants and which can be produced by reacting the corresponding alpha -spirocycloalkanesuccinic acid or its anhydride with 3,5-dichloroaniline or 3,5-dibromoaniline.