申请人:GLAXO GROUP LIMITED
公开号:EP0343900A2
公开(公告)日:1989-11-29
Compounds are disclosed of formula (I)
wherein
R₁ represents -COR₄, -CO₂R₄ or -COCO₂R₄ (where R₄ represents a hydrogen atom or an unsubstituted or substituted C₁₋₁₀ hydrocarbon moiety);
R₂ and R₃ are the same or different and are C₁₋₆alkyl or C₃₋₆alkenyl; or -NR₂R₃ forms of 5-membered (optionally containing an oxygen atom adjacent to the nitrogen) or 6-membered ring, which ring optionally contains one unit of unsaturation and which is unsubstituted or substituted by optionally substituted methylidene, -COR₅ (where R₅ represents C₁₋₆alkyl, -OR₆ or -NHR₆ and R₆ represents hydrogen, C₁₋₆alkyl, aryl, or ar(C₁₋₆) alkyl), or =NOR₇ (where R₇ represents C₁₋₆alkyl);
X represents a direct bond, -CH₂- or -CH₂O-;
Ar represents a substituted phenyl moiety;
and physiologically acceptable salts thereof.
The compounds are indicated as useful in the treatment of pain and cerebral ischaemia.
Processes and intermediates for their preparation and pharmaceutical compositions containing them are also disclosed.
公开了式(I)化合物
其中
R₁ 代表 -COR₄、-CO₂R₄ 或 -CO₂R₄(其中 R₄ 代表氢原子或未取代或取代的 C₁₋₁₀ 碳氢分子);
R₂ 和 R₃ 相同或不同,并且是 C₁₋₆ 烷基或 C₃₋₆ 烯基;或-NR₂R₃形式的 5 元环(可选含有一个与氮相邻的氧原子)或 6 元环,该环可选含有一个不饱和单元,且该环未被取代或被可选取代的亚甲基取代、-COR₅(其中 R₅ 代表 C₁₋₆烷基、-OR₆或 -NHR₆,且 R₆ 代表氢、C₁₋₆烷基、芳基或 ar(C₁₋₆)烷基),或 =NOR₇(其中 R₇ 代表 C₁₋₆烷基);
X 代表直接键、-CH₂- 或 -CH₂O-;
Ar 代表取代的苯基;
及其生理上可接受的盐类。
这些化合物可用于治疗疼痛和脑缺血。
此外,还公开了制备这些化合物的工艺和中间体以及含有这些化合物的药物组合物。