公开(公告)号：US20120172355A1

公开(公告)日：2012-07-05

申请号：US13417786

申请日：2012-03-12

申请人： Yuusuke TAMURA ,  Shinji SUZUKI ,  Yukio TADA ,  Shuji YONEZAWA ,  Chiaki FUJIKOSHI ,  Sae MATSUMOTO ,  Yuuji KOORIYAMA ,  Tatsuhiko UENO

发明人： Yuusuke TAMURA ,  Shinji SUZUKI ,  Yukio TADA ,  Shuji YONEZAWA ,  Chiaki FUJIKOSHI ,  Sae MATSUMOTO ,  Yuuji KOORIYAMA ,  Tatsuhiko UENO

IPC分类号： A61K31/541 ,  C07D417/12 ,  A61K31/54 ,  C07D279/06

CPC分类号： C07C215/20 ,  A61K9/0019 ,  A61K9/1623 ,  A61K9/2018 ,  C07D279/06 ,  C07D417/12 ,  C07D417/14 ,  C07D471/04 ,  C07D487/04 ,  C07D493/04 ,  C07D495/04 ,  C07D513/04

摘要： 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.

摘要翻译： 本发明提供式（I）的化合物：其中环A为任选取代的碳环基或任选取代的杂环基; 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各自独立地为氢，任选取代的低级烷基或任选取代的酰基; R3a，R3b，R3c和R3d各自独立地为氢，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剂合物，其可用于治疗由淀粉样蛋白的生产，分泌和/或沉积诱导的疾病; 蛋白。