Tetrahydro-α-(1-naphthalenylmethyl)-2-furanpropanoic Acid Ethyl Ester is used in the synthetic preparation of Nafronyl related compounds via acylation and alkylation from di-Et tetrahydrofurfurylmalonate. Nafronyl (N215000) is a selective inhibitor of serotonin receptors; It is a vasodilator used in the treatment of intermittent claudication.