申请人:Shionogi&Co., Ltd.
公开号:EP2336109A1
公开(公告)日:2011-06-22
The present invention provides a novel P2X3 and/or P2X2/3 receptor antago nist.
A compound represented by the formula (I):
wherein Z1 is optionally protected hydroxy, etc.; Z2 is -C(=O)-, etc.; Z3a and Z3b are taken together =O or =S; t is an integer of 0 to 4; R4a and R4b are each independently, hydrogen or substituted or unsubstituted lower alkyl, etc.; m and n are each independently an integer of 0 to 2; k is an integer of 0 or 1; Ring A is an aromatic carbocyclic ring or a heterocyclic ring, etc.; B is aromatic carbocyclic ring-diyl or heterocyclic ring-diyl, etc.; R1a and R1b are each independently halogen, hydroxy, substituted or unsubstituted lower alkyl, etc.; R2 is substituted or unsubstituted alkyl, etc. R3 is substituted or unsubstituted alkyl, substituted or unsubstituted aryl or a substituted or unsubstituted heterocyclic group, etc.; or its pharmaceutically acceptable salt, or a solvate thereof is provided.
本发明提供了一种新型 P2X3 和/或 P2X2/3 受体拮抗剂。
由式(I)代表的化合物:
其中 Z1 是任选保护的羟基等;Z2 是-C(=O)-等;Z3a 和 Z3b 合在一起是=O 或=S;t 是 0 至 4 的整数;R4a 和 R4b 各自独立地是氢、取代或未取代的低级烷基等。R1a和R1b各自独立地为卤素、羟基、取代或未取代的低级烷基等;R2为取代或未取代的烷基等;R3为取代或未取代的低级烷基等;R4a和R4b各自独立地为氢、取代或未取代的低级烷基等;R5为取代或未取代的低级烷基等;R6为取代或未取代的低级烷基等;R7为取代或未取代的低级烷基等;R8为取代或未取代的低级烷基等;R9为取代或未取代的低级烷基等;R10为取代或未取代的低级烷基等。R3 是取代或未取代的烷基、取代或未取代的芳基或取代或未取代的杂环基团等;或其药学上可接受的盐或其溶液。