申请人:Glaxo Group Limited
公开号:US05116842A1
公开(公告)日:1992-05-26
Compounds are disclosed of formula (I) ##STR1## wherein R.sub.1 represents --COR.sub.4, --CO.sub.2 R.sub.4, --COCO.sub.2 R.sub.4 or --CONR.sub.4 R.sub.5 (where R.sub.4 and R.sub.5 may be the same or different and represent a hydrogen atom or a C.sub.1-3 alkyl group); R.sub.2 represents a hydrogen atom or a hydroxy or oxo group, with the proviso that when R.sub.1 is --COR.sub.4, --CO.sub.2 R.sub.4 or --COCO.sub.2 R.sub.4, R.sub.2 is not a hydrogen atom; R.sub.3 represents a hydrogen atom or a hydroxy group; X represents a direct bond, --CH.sub.2 -- or --CH.sub.2 O--; 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)的化合物 ##STR1## 其中R.sub.1代表--COR.sub.4,--CO.sub.2 R.sub.4,--COCO.sub.2 R.sub.4或--CONR.sub.4 R.sub.5(其中R.sub.4和R.sub.5可以相同或不同,代表氢原子或C.sub.1-3烷基);R.sub.2代表氢原子或羟基或氧代基,但当R.sub.1为--COR.sub.4,--CO.sub.2 R.sub.4或--COCO.sub.2 R.sub.4时,R.sub.2不是氢原子;R.sub.3代表氢原子或羟基;X代表直接键,--CH.sub.2--或--CH.sub.2 O--;Ar代表取代的苯基基团;以及其生理上可接受的盐。这些化合物被指出在治疗疼痛方面有用。还公开了它们的制备方法和含有它们的制药组合物。