申请人:GLAXO GROUP LIMITED
公开号:EP0330469A3
公开(公告)日:1990-05-09
Disclosed are compounds of formula (I) :
wherein
R₁ represents hydroxy or C₁₋₆ alkoxy;
R₂ and R₃ are the same or different and are C₁₋₆ alkyl or C₃₋₆ alkenyl or -NR₂R₃ represents 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, -COR₄(where R₄ is C₁₋₆ alkyl, aryl or ar(C₁₋₆)alkyl) or =NOR₅ (where R₅ is C₁₋₆ alkyl);
X represents a direct bond, -CH₂- or -CH₂O;
Ar represents a substituted phenyl moiety
and physiologically acceptable salts thereof.Also described are methods for their preparation and pharmaceutical formulations thereof. The compounds are Kappa agonists.
本发明涉及式(I)的化合物:
其中R₁代表羟基或C₁₋₆烷氧基;
R₂和R₃相同或不同,均为C₁₋₆烷基或C₃₋₆烯基或-NR₂R₃代表一个五元环(可选地包含一个与氮相邻的氧原子)或一个六元环,该环可选地含有一个不饱和单元,且未取代或由羟基,氧代基,可选地取代的甲基亚甲基,-COR₄(其中R₄为C₁₋₆烷基,芳基或ar(C₁₋₆)烷基)或=NOR₅(其中R₅为C₁₋₆烷基)置换;
X代表直接键,-CH₂-或-CH₂O;
Ar代表取代苯基基团及其生理学上可接受的盐。
还描述了它们的制备方法和制药配方。这些化合物是Kappa激动剂。