申请人:Glaxo Group Limited
公开号:US04853381A1
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 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)--), --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 an integer 2 or 3), or Ar is a phenyl ring substituted by an alkylenedioxy group of formula --O(CH.sub.2).sub.p O-- where p represents an integer 1 or 2; Q represents a group of formula ##STR2## where R.sup.a represents a hydrogen atom or a C.sub.1-3 alkyl group, R.sup.b represents ##STR3## and Rc represents ##STR4## where R.sup.d represents a straight or branched C.sub.2-3 alkylene chain; 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 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 X and Y is 2-10, and physiologically acceptable salts and solvates (e.g. hydrates) thereof. The compounds of formula (I) have a stimulant action at .beta..sub.2 -adrenoreceptors and are useful, in particular, 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:其中,Ar代表苯基,该苯基可以选择性地被一个或多个取代基所取代,所述取代基被选择自卤素原子,或基团C.sub.1-6烷基,C.sub.1-6烷氧基,硝基,--(CH.sub.2).sub.qR [其中R是羟基,--NR.sup.3R.sup.4(其中R.sup.3和R.sup.4分别代表氢原子或C.sub.1-4烷基,或--NR.sup.3R.sup.4形成一个饱和的杂环氨基团,该团具有5-7个环成员并且在环中可以选择地包含一个或多个原子,所述原子被选择自--O--,或--S--或--NH--或--N(CH.sub.3)--) ,--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是氢原子或C.sub.1-4烷基或苯基),--SOR.sup.9,SO.sub.2R.sup.9或--CN,q表示0到3的整数],--(CH.sub.2).sub.rR.sup.10(其中R.sup.10是C.sub.1-4烷氧基,r表示1到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是2或3的整数),或Ar是一个苯环,该苯环被一个公式为--O(CH.sub.2).sub.pO--的烷二氧基基团取代,其中p代表1或2;Q代表一个公式为的基团:其中R.sup.a代表氢原子或C.sub.1-3烷基,R.sup.b代表##STR3##和Rc代表##STR4##其中R.sup.d代表直链或支链C.sub.2-3烷基链;R.sup.1和R.sup.2分别代表氢原子或C.sub.1-3烷基,但总碳原子数不超过4;X代表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X和Y的总碳原子数为2-10,并且其生理上可接受的盐和溶剂(例如水合物)。公式(I)的化合物在.beta..sub.2-肾上腺素受体上具有兴奋作用,特别适用于治疗与可逆性气道阻塞相关的疾病,例如哮喘和慢性支气管炎。