A short and convenient synthesis of 3-p-toluoyl-2-[4′-(3-diethylaminopropoxy)-phenyl]-benzofuran, an inhibitor of the aggregation of β-amyloid, which is thought to be the underlying cause of Alzheimer's disease, is described. A short and convenient synthesis of 3-p-toluoyl-2-[4′-(3-diethylaminopropoxy)-phenyl]-benzofuran, an inhibitor of the aggregation of β-amyloid protein is described.