NEUROGENESIS INDUCER AND NEUROPATHY THERAPEUTIC AGENT COMPRISING ALKYL ETHER DERIVATIVE OR SALT OF THE SAME

PROBLEM TO BE SOLVED: To provide a benzothiophene alkylether derivative or its salt as a novel neurogenesis inducer and a neuropathy therapeutic agent.SOLUTION: An agent comprising a benzothiophene alkylether derivative represented by formula or its salt is useful as a neurogenesis inducer or a neuropathy therapeutic agent. In the formula, Rand Rare the same or different and represent at least one group selected from a hydrogen atom, halogen atom, alkyl group, aryl group, aralkyl group, alkoxy group, aryloxy group, alkylthio group, arylthio group, alkenyl group, alkenyloxy group, amino group, alkylsulfonyl group, arylsulfonyl group, carbamoyl group, heterocyclic group, amino group, hydroxyl group, carboxyl group, nitro group, an oxo group and the like; Rrepresents an alkylamino group which may be substituted or an amino or hydroxyl group which may be protected; and m and n are the same or different and each represent an integer ranging from 1 to 6.