Lavandulyl methyl ether was prepared by the following reactions : The addition of chloromethyl methyl ether to prenyl chloride in the presence of stannic chloride afforded 1, 3-dichloro-2-methoxymethyl-3-methylbutane, which was then treated in DMF to give the dehydrochlorination product, 2-methyl-3-methoxymethyl-4-chlorobutene-1. The Grignard reaction of the butene derivative with methallyl chloride gave lavandulyl methyl ether. The total yield of lavandulyl methyl ether was 3540% based on isoprene.