The problem to be solved is to provide a method for producing a compound having excellent activity as an α2δ ligand. The solution thereto is a method for producing a compound represented by the general formula (VI) or a salt thereof via an iminium salt: [in the formula, R1: a hydrogen atom or a C1-C6 alkyl group]
要解决的问题是提供一种生产作为α2δ
配体具有优异活性的化合物的方法。解决这个问题的方法是通过亚
氨基盐生产通式(VI)所代表的化合物或其盐:[式中,R1:氢原子或 C1-C6 烷基]