申请人:Glaxo Group Limited
公开号:US04853382A1
公开(公告)日:1989-08-01
The invention provides compounds of the general formula (I) ##STR1## wherein Ar represents a phenyl group optionally substituted by one or more substituents selected from halogen atoms, or the groups C.sub.1-6 alkyl, C.sub.1-6 alkoxy, nitro, --(CH.sub.2).sub.q R, [where R is hydroxy, --NR.sup.3 R.sup.4 (where R.sup.3 and R.sup.4 each represents a hydrogen atom, or a C.sub.1-4 alkyl group, or --NR.sup.3 R.sup.4 forms a saturated heterocyclic amino group which has 5-7 ring members and optionally contains in the ring one or more atoms selected from --O-- or --S-- or a group --NH-- or --N(CH.sub.3)--), --NR.sup.5 COR.sup.6 (where R.sup.5 represents a hydrogen atom or a C.sub.1-4 alkyl group, and R.sup.6 represents a hydrogen atom or a C.sub.1-4 alkyl, C.sub.1-4 alkoxy, phenyl or --NR.sup.3 R.sup.4 group), --NR.sup.5 SO.sub.2 R.sup.7 (where R.sup.7 represents a C.sub.1-4 alkyl, phenyl or --NR.sup.3 R.sup.4 group), --COR.sup. 8 (where R.sup.8 represents hydroxy, C.sub.1-4 alkoxy or --NR.sup.3 R.sup.4), --SR.sup.9 (where R.sup.9 is a hydrogen atom, or a C.sub.1-4 alkyl or phenyl group), --SOR.sup.9, --SO.sub.2 R.sup.9, or --CN, and q represents an integer from 0 to 3], --(CH.sub.2).sub.r R.sup.10, [where R.sup.10 is a C.sub.1-4 alkoxy group and r represents an integer from 1 to 3] or --O(CH.sub.2).sub.t R.sup.11 [where R.sup.11 represents a hydroxy or C.sub.1-4 alkoxy group and t is 2 or 3] or Ar is a phenyl group substituted by an alkylenedioxy group of formula --O(CH.sub.2).sub.p O--, where p represents 1 or 2; R.sup.1 and R.sup.2 each represent a hydrogen atom or a C.sub.1-3 alkyl group with the proviso that the sum total of carbon atoms in R.sup.1 and R.sup.2 is not more than 4; X represents a C.sub.1-7 alkylene, C.sub.2-7 alkylene or C.sub.2-7 alkynylene chain; Y represents a bond, or a C.sub.1-6 alkylene, C.sub.2-6 alkenylene or C.sub.2-6 alkynylene chain with the proviso that the sum total of carbon atoms in X and Y is 2 to 10; Q represents a group R.sup.12 CO--, R.sup.12 NHCO--, R.sup.12 R.sup.13 NSO.sub.2 -- or R.sup.14 SO.sub.2, where R.sup.12 and R.sup.13 each represent a hydrogen atom or a C.sub.1-3 alkyl group, and R.sup.14 represents a C.sub.1-4 alkyl group, with the proviso that when X represents C.sub.1-7 alkylene, and Y represents a bond or C.sub.1-6 alkylene, then the group Ar does not represent an unsubstituted phenyl group or a phenyl group substituted by one or more substituents selected solely from halogen atoms or C.sub.1-6 alkyl or C.sub.1-6 alkoxy groups or an alkylenedioxy group --O(CH.sub.2).sub.p O--; and physiologically acceptable salts and solvates thereof. The compounds have a selective stimulant action at .beta..sub.2 -adrenoreceptors and may be used, inter alia, in the treatment of diseases associated with reversible airways obstruction such as asthma and chronic bronchitis.
本发明提供了一般式(I)的化合物##STR1##其中,Ar代表苯基,该苯基可以选择性地由卤原子或C.sub.1-6烷基,C.sub.1-6烷氧基,硝基,--(CH.sub.2).sub.q R,[其中R为羟基,--NR.sup.3R.sup.4(其中R.sup.3和R.sup.4各代表氢原子或C.sub.1-4烷基,或--NR.sup.3R.sup.4形成饱和杂环
氨基,该
氨基具有5-7个环成员,并且可选择地在环中包含一个或多个从--O--或--S--或--NH--或--N(CH.sub.3)--中选择的原子),--NR.sup.5COR.sup.6(其中R.sup.5代表氢原子或C.sub.1-4烷基,R.sup.6代表氢原子或C.sub.1-4烷基,C.sub.1-4烷氧基,苯基或--NR.sup.3R.sup.4基团),--NR.sup.5SO.sub.2R.sup.7(其中R.sup.7代表C.sub.1-4烷基,苯基或--NR.sup.3R.sup.4基团),--COR.sup.8(其中R.sup.8代表羟基,C.sub.1-4烷氧基或--NR.sup.3R.sup.4),--SR.sup.9(其中R.sup.9为氢原子,或C.sub.1-4烷基或苯基),--SOR.sup.9,--SO.sub.2R.sup.9或--CN,q表示0至3的整数],--(CH.sub.2).sub.rR.sup.10,[其中R.sup.10为C.sub.1-4烷氧基,r表示1至3的整数]或--O(CH.sub.2).sub.tR.sup.11[其中R.sup.11代表羟基或C.sub.1-4烷氧基,t为2或3]或Ar为被公式--O(CH.sub.2).sub.pO--取代的苯基,其中p表示1或2;R.sup.1和R.sup.2各代表氢原子或C.sub.1-3烷基,但R.sup.1和R.sup.2中的碳原子总数不超过4;X代表C.sub.1-7烷基,C.sub.2-7烷基或C.sub.2-7炔基链;Y代表键或C.sub.1-6烷基,C.sub.2-6烯基或C.sub.2-6炔基链,但X和Y中碳原子的总数为2到10;Q代表R.sup.12CO--,R.sup.12NHCO--,R.sup.12R.sup.13NSO.sub.2--或R.sup.14SO.sub.2基团,其中R.sup.12和R.sup.13各代表氢原子或C.sub.1-3烷基,而R.sup.14代表C.sub.1-4烷基,但当X代表C.sub.1-7烷基,Y代表键或C.sub.1-6烷基时,Ar不表示未取代的苯基或仅选择自卤原子或C.sub.1-6烷基或C.sub.1-6烷氧基或--O(CH.sub.2).sub.pO--的取代苯基;以及其生理上可接受的盐和溶剂化合物。这些化合物具有选择性刺激.BETA..sub.2-
肾上腺素受体的作用,并可用于治疗与可逆性气道阻塞有关的疾病,如哮喘和慢性支气管炎。