申请人:Glaxo Group Ltd.
公开号:US04963564A1
公开(公告)日:1990-10-16
The invention provides compounds of the general formula (I) ##STR1## and physiologically acceptable salts and solvates thereof, wherein Z represents the group ##STR2## (wherein Q.sup.1 represents a straight or branched C.sub.1-3 alkylene group), ##STR3## (where Q.sup.2 represents a group R.sup.5 CO--, R.sup.5 NHCO--, R.sup.5 R.sup.6 NSO.sub.2 -- or R.sup.7 SO.sub.2 --, where R.sup.5 and R.sup.6 each represent a hydrogen atom or a C.sub.1-3 alkyl group, and R.sup.7 represents a C.sub.1-3 alkyl group), or ##STR4## X represents a bond, or a C.sub.1-7 alkylene, C.sub.2-7 alkenylene or C.sub.2-7 alkynylene chain, and 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 the chains X and Y is not more than 10; R represents a hydrogen atom or C.sub.1-3 alkyl group; 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; and Het represents a benzoheteroaryl or a monocyclic heteroaryl group wherein the heteroaryl group is 5 or 6 membered and contains 1, 2 or 3 hetero atoms, one of which is a nitrogen atom and the other(s) is (are) nitrogen, oxygen or sulphur atom(s), and the group Het may optionally be substituted by one or two groups selected from C.sub.1-4 alkyl, C.sub.1-4 alkoxy, hydroxy, halogen, --NR.sup.3 R.sup.4 and --COR.sup.8 ; where R.sup.3 and R.sup.4 each represent 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)--; and R.sup.8 represents hydroxy, C.sub.1-4 alkoxy or --NR.sup.3 R.sup.4. The compounds have a stimulant action at .beta.2-adrenoreceptors and may be used in the treatment of diseases associated with reversible airways obstruction such as asthma and chronic bronchitis.
该发明提供了一般式(I)的化合物及其生理上可接受的盐和溶剂化合物,其中Z代表该基团(其中Q.sup.1代表直链或支链C.sub.1-3烷基链),##STR3##(其中Q.sup.2代表一个基团R.sup.5 CO--,R.sup.5 NHCO--,R.sup.5 R.sup.6 NSO.sub.2 --或R.sup.7 SO.sub.2 --,其中R.sup.5和R.sup.6分别代表氢原子或C.sub.1-3烷基链,R.sup.7代表C.sub.1-3烷基链),或##STR4##X代表键,或C.sub.1-7烷基,C.sub.2-7烯基或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,但要求链X和Y中碳原子的总数不超过10;R代表氢原子或C.sub.1-3烷基链;R.sup.1和R.sup.2分别代表氢原子或C.sub.1-3烷基链,但要求R.sup.1和R.sup.2中碳原子的总数不超过4;Het代表苯基杂芳基或单环杂芳基,其中杂芳基是5或6元杂环,含有1、2或3个杂原子,其中一个是氮原子,其他是氮、氧或硫原子,Het基团可以选择性地由C.sub.1-4烷基、C.sub.1-4烷氧基、羟基、卤素、--NR.sup.3R.sup.4和--COR.sup.8中的一个或两个基团取代;其中R.sup.3和R.sup.4分别代表氢原子或C.sub.1-4烷基链,或--NR.sup.3R.sup.4形成饱和杂环氨基基团,具有5-7环成员,环中可能含有一个或多个选自--O--或--S--的原子,或一个基团--NH--或--N(CH.sub.3)--,R.sup.8代表羟基、C.sub.1-4烷氧基或--NR.sup.3R.sup.4。这些化合物在β2-肾上腺素受体上具有兴奋作用,并可用于治疗与可逆气道阻塞相关的疾病,如哮喘和慢性支气管炎。