申请人:Glaxo Group Limited
公开号:US05109008A1
公开(公告)日:1992-04-28
Compounds are disclosed of formula (I) ##STR1## wherein R.sub.1 represents hydrogen, unsubstituted or substituted C.sub.1-6 alkyl, halogen, --COR.sub.4 or --CO.sub.2 R.sub.4 (where R.sub.4 represents hydrogen or unsubstituted or substituted C.sub.1-6 alkyl); 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, C.sub.1-6 acyloxy, oxo, optionally substituted methylidene, --COR.sub.5 (where R.sub.5 represents C.sub.1-6 alkyl, OR.sub.6 or --NHR.sub.6, and R.sub.6 represents hydrogen, C.sub.1-6 alkyl, aryl or ar(C.sub.1-6)alkyl) or said ring is substituted by .dbd.NOR.sub.7 (where R.sub.7 represents C.sub.1-6 alkyl); Z represents --O-- or --S--; X represents a direct bond, --CH.sub.2 -- or --CH.sub.2 O--; Ar represents a substituted phenyl moiety; and pharmaceutically 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.
披露了公式(I)的化合物##STR1##,其中R1代表氢,未取代或取代的C1-6烷基,卤素,--COR4或--CO2R4(其中R4代表氢或未取代或取代的C1-6烷基);R2和R3相同或不同,为C1-6烷基或C3-6烯基;或--NR2R3形成一个5元环(可选地含有与氮原子相邻的一个氧原子)或一个6元环,该环可选地含有一个不饱和单元,并且该环未取代或取代有羟基,C1-6酰氧基,氧亚基,可选地取代的亚甲基,--COR5(其中R5代表C1-6烷基,OR6或--NHR6,R6代表氢,C1-6烷基,芳基或芳(C1-6)烷基)或该环被.dbd.NOR7取代(其中R7代表C1-6烷基);Z代表--O--或--S--;X代表直接键,--CH2--或--CH2O--;Ar代表取代的苯基部分;以及它们的药物可接受的盐。这些化合物被指示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。