(1-Indanone)-(1,2,3,6-tetrahydropyridine) compounds

摘要

The present invention provides an excellent sigma receptor binding agent and/or acetylcholinesterase inhibitor containing an (1-indanone)-(1,2,3,6-tetrahydropyridine) compound. More specifically, it provides an (1-indanone)-(1,2,3,6-tetrahydropyridine) compound represented by the following formula, a pharmacologically acceptable salt thereof or a hydrate thereof: In the formula (I), R¹, R², R³ and R⁴ are the same as or different from each other.