3-[4-(1,2-Dimethylpropyl)phenyl]-2-methyl-2-propenal is used in the preparation of piperidine and morpholine derivatives as agricultural or pharmaceutical fungicides, bactericides, insecticides, and acaricides;Also, it is an intermediate used in the synthesis of 1-Desmethyl-2-methypropyl Amorolfine (D292315), which is an analogue of Amorolfine Hydrochloride (A634170). Amorolfine hydrochloride is a salt of Amorolfine which is a morpholine antifungal drug. It is a topical solution for the treatment of toenail infections.