A compound represented by the formula:
(wherein, R1 and R2 are the same or different and each represents a hydrogen atom, hydrocarbon group or heterocyclic group, or R1 and R2 may form, together with the adjacent carbon atom, a 3-8 membered iso- or heterocyclic group, R3 represents a cyclic group, a hydroxy group, a mercapto group that may have oxo, or an amino group, R4 represents a hydrogen atom, a hydrocarbon group, a hydroxy group, a mercapto group which may have oxo, or an amino group, or R2 and R4 may link together to form a double bond, X represents a bond or a linear hydrocarbon group, W represents an oxygen atom or a sulfur atom, ring B represents a 5-8 membered nitrogen-containing heterocyclic group, ring C represents a benzene ring, and --- represents a single bond or a double bond), or a salt or a prodrug thereof that has excellent neurodegenerative inhibitory activity and brain penetrability, and is useful as an agent for preventing/treating neurodegenerative diseases.
由以下式子代表的化合物
(其中,R1 和 R2 相同或不同,且各自代表氢原子、烃基或杂环基,或 R1 和 R2 可与相邻碳原子一起形成 3-8 分子的异环或杂环基,R3 代表环基、羟基、可能具有氧代的巯基或
氨基,R4 代表氢原子、烃基、羟基、可能具有氧代的巯基或
氨基,或 R2 和 R4 可连接在一起形成双键,X 代表键或线性烃基,W 代表氧原子或
硫原子,环 B 代表 5-8 分子的异环或杂环基,R3 代表环基、羟基、可能具有氧代的巯基或
氨基,R4 代表氢原子、烃基、羟基、可能具有氧代的巯基或
氨基、或 R2 和 R4 可连接在一起形成双键,X 代表键或线性烃基,W 代表氧原子或
硫原子,环 B 代表 5-8 个成员的含氮杂环基团,环 C 代表苯环,------代表单键或双键),或其盐或原药,具有优异的神经退行性抑制活性和脑穿透性,可用作预防/治疗神经退行性疾病的药物。