申请人:Shionogi&Co., Ltd.
公开号:EP2147914A1
公开(公告)日:2010-01-27
This invention provides a compound of the formula (I):
wherein the ring A is an optionally substituted carbocyclic group or an optionally substituted heterocyclic group; R1 is optionally substituted lower alkyl, optionally substituted lower alkenyl, optionally substituted lower alkynyl; R2a and R2b are each independently hydrogen, optionally substituted lower alkyl or optionally substituted acyl; R3a, R3b, R3c and R3d are each independently hydrogen, halogen, hydroxy or optionally substituted lower alkyl etc.; a pharmaceutically acceptable salt or solvate thereof,
which is useful for treating diseases induced by production, secretion and/or deposition of amyloid β protein.
本发明提供了一种式 (I) 的化合物:
其中环 A 是任选取代的碳环基团或任选取代的杂环基团;R1 是任选取代的低级烷基、任选取代的低级烯基、任选取代的低级炔基;R2a 和 R2b 各自独立地是氢、任选取代的低级烷基或任选取代的酰基;R3a、R3b、R3c 和 R3d 各自独立地是氢、卤素、羟基或任选取代的低级烷基等;其药学上可接受的盐或溶液、
可用于治疗由淀粉样β蛋白的产生、分泌和/或沉积诱发的疾病。