The invention relates to compounds of general formula (I) and physiologically acceptable salts and solvates thereof, methods for their preparation and pharmaceutical formulations thereof. ##STR1## wherein Ar represents a substituted phenyl or nitrogen-containing heterocyclic ring; X and Y represent alkylene, alkenylene or alkynylene chains; R.sup.1, R.sup.2 and R.sup.18 each represent hydrogen or alkyl groups; and Q represents an optionally substituted furan or thiophene ring. The compounds of the invention have 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.
本发明涉及一般式(I)的化合物及其生理上可接受的盐和溶剂化物,其制备方法和药物制剂。其中,Ar代表取代的苯基或含氮杂环环;X和Y代表烷基,烯基或炔基链;R.sup.1,R.sup.2和R.sup.18分别代表氢或烷基基团;Q代表可选取代的
呋喃或
噻吩环。本发明的化合物对β2-
肾上腺素能受体具有兴奋作用,并可用于治疗与可逆性气道阻塞相关的疾病,如哮喘和慢性支气管炎。