申请人:Glaxo Group Limited
公开号:US05114945A1
公开(公告)日:1992-05-19
Compounds are disclosed of formula (I) ##STR1## wherein R.sub.1 represents hydroxy, C.sub.1-6 alkyl, C.sub.1-6 hydroxyalkyl, C.sub.1-6 carboxyalkyl, phenyl, oxo, amino, carboxy, amido, --NR.sub.4 COR.sub.5 (where R.sub.4 and R.sub.5 both represent C.sub.1-6 alkyl), optionally substituted methylidene or, together with the carbon atom to which it is attached, R.sub.1 forms a 5 or 6-membered ring containing one or more heteroatoms; R.sub.2 and R.sub.3 are the same or different and are C.sub.1-6 alkyl or C.sub.3-6 alkenyl; or --NR.sub.2 R.sub.3 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, --COR.sub.6 (where R.sub.6 represents C.sub.1-6 alkyl, OR, or --NHR, and R represents hydrogen, C.sub.1-6 alkyl, aryl, ar(C.sub.1-6)alkyl) or .dbd.NOR.sub.8 (where R.sub.8 represents C.sub.1-6 alkyl); X represents a direct bond, --CH.sub.2 -- or --CH.sub.2 0--; Ar represents a substituted phenyl moiety; and physiologically acceptable salts thereof. The compounds are indicated as useful for the treatment of pain and cerebral ischemia. Proccesses and intermediates for their preparation and pharmaceutical compositions containing them are also disclosed.
披露了公式(I)的化合物##STR1##,其中R1代表羟基,C1-6烷基,C1-6羟烷基,C1-6羧烷基,苯基,氧代,氨基,羧基,酰胺基,--NR4COR5(其中R4和R5都代表C1-6烷基),可选地取代亚甲基,或者与它连接的碳原子一起,R1形成一个含有一个或多个杂原子的5或6元环;R2和R3相同或不同,是C1-6烷基或C3-6烯基;或者--NR2R3形成一个5元环(可选地含有一个靠近氮原子的氧原子)或6元环,该环可选地含有一个不饱和单元,并且该环未取代或被羟基,氧代,可选地取代亚甲基,--COR6(其中R6代表C1-6烷基,OR或--NHR,R代表氢,C1-6烷基,芳基,芳(C1-6)烷基)或.dbd.NOR8(其中R8代表C1-6烷基)取代;X代表直接键,--CH2--或--CH2O--; Ar代表一个取代的苯基部分;以及它们的生理学可接受盐。这些化合物被指出用于治疗疼痛和脑缺血。还披露了它们的制备过程和中间体以及含有它们的药物组合物。