申请人:Nakajima Takao
公开号:US20100256361A1
公开(公告)日:2010-10-07
(Wherein n is an integer of from 0 to 3; R
1
is substituted or unsubstituted cycloalkyl, substituted or unsubstituted aryl, a substituted or unsubstituted alicyclic heterocyclic group, or a substituted or unsubstituted aromatic heterocyclic group; R
2
is halogen, substituted or unsubstituted lower alkyl, substituted or unsubstituted aryl, a substituted or unsubstituted alicyclic heterocyclic group, a substituted or unsubstituted aromatic heterocyclic group, —COR
8
, or the like; R
3
and R
4
may be the same or different, and each represents a hydrogen atom, substituted or unsubstituted lower alkyl, substituted or unsubstituted aralkyl, —COR
12
, or the like)
For example, provided are adenosine A
2A
receptor antagonists comprising, as the active ingredient, a thiazole derivative represented by a general formula (I), or a pharmaceutically acceptable salt thereof, and the like.
其中n是0至3的整数;R1是取代或未取代的环烷基、取代或未取代的芳基、取代或未取代的脂环杂环基或取代或未取代的芳香杂环基;R2是卤素、取代或未取代的低碳基、取代或未取代的芳基、取代或未取代的脂环杂环基、取代或未取代的芳香杂环基、-COR8等;R3和R4可以相同也可以不同,每个代表氢原子、取代或未取代的低碳基、取代或未取代的芳基、取代或未取代的芳基烷基、-COR12等。例如,提供了含有噻唑衍生物的腺苷A2A受体拮抗剂,作为活性成分,其表示为通式(I)或其药学上可接受的盐等。