Benzo-fused 5-membered hetrocycle compounds, process for preparation of the same, and use thereof
申请人:——
公开号:US20040167171A1
公开(公告)日:2004-08-26
A compound represented by the formula:
1
(wherein, R
1
and R
2
are the same or different and each represents a hydrogen atom, hydrocarbon group or heterocyclic group, or R
1
and R
2
may form, together with the adjacent carbon atom, a 3-8 membered iso- or heterocyclic group, R
3
represents a cyclic group, a hydroxy group, a mercapto group that may have oxo, or an amino group, R
4
represents a hydrogen atom, a hydrocarbon group, a hydroxy group, a mercapto group which may have oxo, or an amino group, or R
2
and R
4
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.
一种化合物的化学式为1(其中,R1和R2相同或不同,分别代表氢原子、烃基或杂环基,或R1和R2可以与相邻的碳原子形成一个3-8个成员的同分异构环基,R3代表一个环状基团,一个羟基,一个硫醇基,可以具有氧化物,或者一个氨基,R4代表一个氢原子,一个烃基,一个羟基,一个硫醇基,可以具有氧化物,或者一个氨基,或者R2和R4可以连接形成一个双键,X代表一个键或一个线性烃基,W代表一个氧原子或一个硫原子,环B代表一个5-8个成员的含氮杂环基,环C代表一个苯环,而---代表一个单键或一个双键),或其盐或前药,具有出色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。