The invention relates to compounds of the general formula (I) ##STR1## and physiologically acceptable salts and solvates thereof; wherein; R.sup.1 and R.sup.2 each independently represent a hydrogen atom or a C.sub.1-3 -alkyl group with the proviso that the sum total of carbon atom in R.sup.1 and R.sup.2 is not more than 4; X represents a direct bond or a C.sub.1-7 alkylene, C.sub.2-7 alkenylene or C.sub.2-7 alkynylene group and Y represents a direct bond or a C.sub.1-6 alkylene C.sub.2-6 alkenylene or C.sub.2-6 alknylene group with the proviso that the sum total of carbon atoms in X and Y is not more than 10; W represents a group ##STR2## wherein Z represents a group R.sup.3 (CH.sub.2).sub.q where q is 0, 1 or 2 and R.sup.3 is a group R.sup.4 CONH--, R.sup.4 NHCONH--, R.sup.4 R.sup.5 NSO.sub.2 NH--, R.sup.6 SO.sub.2 NH-- or --OH; R.sup.4 and R.sup.5 each represent a hydrogen atom or a C.sub.1-3 alkyl group; R.sup.6 represents a C.sub.1-3 alkyl group; R.sup.7 represents a chlorine atom or the group --CF.sub.3 ; A represents a straight or branched C.sub.1-6 alkyl group, a C.sub.3-8 cycloalkyl group, either of which may be saturated or unsaturated, or a C.sub.1-6 alkoxy group, with the proviso that the sum total of carbon atoms in A and Y is not less than 5; having a stimulant action at .beta..sub.2 -adrenoreceptors and are useful in the treatment of diseases associated with reversible airways obstruction such as asthma and chronic bronchitis.
该发明涉及通式(I)的化合物及其生理上可接受的盐和溶剂化合物;其中;R.sup.1和R.sup.2分别独立地代表氢原子或C.sub.1-3-烷基基团,但R.sup.1和R.sup.2中碳原子的总和不超过4;X代表直接键或C.sub.1-7烷基、C.sub.2-7烯基或C.sub.2-7炔基团,Y代表直接键或C.sub.1-6烷基、C.sub.2-6烯基或C.sub.2-6炔基团,但X和Y中碳原子的总和不超过10;W代表一个基团##STR2##其中Z代表一个基团R.sup.3(CH.sub.2).sub.q,其中q为0、1或2,R.sup.3是一个基团R.sup.4 CONH--、R.sup.4 NHCONH--、R.sup.4 R.sup.5 NSO.sub.2 NH--、R.sup.6 SO.sub.2 NH--或--OH;R.sup.4和R.sup.5分别代表氢原子或C.sub.1-3烷基基团;R.sup.6代表一个C.sub.1-3烷基基团;R.sup.7代表
氯原子或基团--CF.sub.3;A代表直链或支链C.sub.1-6烷基基团、C.sub.3-8环烷基基团,二者可以饱和或不饱和,或C.sub.1-6烷氧基团,但A和Y中碳原子的总和不少于5;具有在β.sub.2-
肾上腺素受体上的兴奋作用,并且在治疗与可逆气道阻塞相关的疾病,如哮喘和慢性支气管炎中有用。