申请人:GLAXO GROUP LIMITED
公开号:EP0398720A2
公开(公告)日:1990-11-22
Compounds are disclosed of formula (I)
wherein
R₁ represents -COR₄, -CO₂R₄, -COCO₂R₄ or -CONR₄R₅(where R₄ and R₅ may be the same or different and represent a hydrogen atom or a C₁₋₃alkyl group);
R₂ represents a hydrogen atom or a hydroxy or oxo group, with the proviso that when R₁ is -COR₄, -CO₂R₄ or -COCO₂R₄, R₂ is not a hydrogen atom;
R₃ represents a hydrogen atom or a hydroxy group;
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.
Processes 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、-COCO₂R₄ 或 -CONR₄R₅(其中 R₄ 和 R₅ 可以相同或不同,代表氢原子或 C₁₋₃ 烷基);
R₂ 代表氢原子或羟基或氧代基团,但当 R₁ 是 -CORR₄、-CO₂R₄ 或 -COCO₂R₄ 时,R₂ 不是氢原子;
R₃ 代表氢原子或羟基;
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。
此外,还公开了制备这些化合物的工艺和含有这些化合物的药物组合物。