申请人:GLAXO GROUP LIMITED
公开号:EP0330461A2
公开(公告)日:1989-08-30
Compounds are disclosed of formula (I)
wherein
R₁ represents hydroxy, C₁₋₆ alkyl, C₁₋₆ hydroxyalkyl, C₁₋₆ carboxyalkyl, phenyl, oxo, amino, carboxy, amido, -NR₄COR₅ (where R₄ and R₅ both represent C₁₋₆ alkyl), optionally substituted methylidene or, together with the carbon atom to which it is attached, R₁ forms a 5 or 6-membered ring containing one or more heteroatoms;
R₂ and R₃ are the same or different and are C₁₋₆ alkyl or C₃₋₆ alkenyl; or -NR₂R₃ forms a 5-membered (optionally containing an oxygen atom adjacent to the nitrogen) or a 6-membered ring, which ring optionally contains one unit of unsaturation and which is unsubstituted or substituted by hydroxy, oxo, optionally substituted methylidene, -COR₆ (where R₆ represents C₁₋₆ alkyl, OR₇ or -NHR₇, and R₇ represents hydrogen, C₁₋₆ alkyl, aryl, ar(C₁₋₆)alkyl) or =NOR₈ (where R₈ represents C₁₋₆ alkyl);
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 for 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 代表羟基、C₁₋₆ 烷基、C₁₋₆ 羟基烷基、C₁₋₆ 羧基烷基、苯基、氧代、氨基、羧基、氨基、-NR₄COR₅(其中 R₄ 和 R₅ 均代表 C₁₋₆ 烷基)、任选取代的亚甲基,或 R₁ 与所连接的碳原子一起形成含有一个或多个杂原子的 5 或 6 元环;
R₂ 和 R₃ 相同或不同,并且是 C₁₋₆ 烷基或 C₃₋₆ 烯基;或-NR₂R₃形成一个 5 元环(可选含有一个与氮相邻的氧原子)或一个 6 元环,该环可选含有一个不饱和单元,且该环未被羟基、氧代取代或被羟基、氧代取代、任选取代的亚甲基、-COR₆(其中 R₆ 代表 C₁₋₆ 烷基、OR₇ 或 -NHR₇,且 R₇ 代表氢、C₁₋₆ 烷基、芳基、ar(C₁₋₆)烷基)或 =NOR₈ (其中 R₈ 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。