To provide a method for profitably producing an alkane compound substituted with an electron-attracting group.

This method for producing the alkane compound substituted with the electron-attracting group comprises reacting a methane compound substituted with the electron-attracting group with an alkane compound substituted with a leaving group in the presence of a fluoride ion-containing alkyl-substituted imidazolium salt represented by formula (1) [wherein, R1 to R5 are each the same or different and an alkyl group which may be substituted, or the like; Y- is a monovalent anion excluding a fluoride ion; and 0x1].