The present invention relates to fungicidal N-cycloalkyl-N-[(bicyclylphenyl)methylene] carboxamide derivatives and their thiocarbonyl derivatives, their process of preparation and intermediate compounds for their preparation, their use as fungicides, particularly in the form of fungicidal compositions and methods for the control of phytopathogenic fungi of plants using these compounds or their compositions.本發明係關於殺真菌劑N-環烷基-N-[(雙環苯基)伸甲基]甲醯胺衍生物及其硫羰基衍生物、其製備製程及用於其製備之中間化合物、其作為殺真菌劑、尤其呈殺真菌劑組合物之形式之用途及使用該等化合物或其組合物控制植物之植物致病真菌之方法。