Amine derivatives having the general formula (I): <;IMAGE>; (I) wherein X is selected from the group consisting of <;IMAGE>; <;IMAGE>; <;IMAGE>; wherein Q is oxygen, sulfur or nitrogen atom, and <;IMAGE>; wherein Q is as above; Y is selected from the group consisting of <;IMAGE>; <;IMAGE>; <;IMAGE>; <;IMAGE>; R1 is hydrogen atom or an alkyl group; R2 is hydrogen atom or an alkyl group; R3 is hydrogen atom, a halogen atom or an alkyl group; R4 is hydrogen atom, an alkyl group, a cycloalkyl group, a halogenated alkyl group or a halogen atom; R5 is hydrogen atom, an alkyl group, an alkoxy group, a halogen atom, nitro group or hydroxy group; R5 is attached to an arbitrary position of X, and R3 or R4 is attached to an arbitrary position of Y. The amine derivatives (I) are useful as fungicides.