Indoline compounds represented by the formula: ##STR1## wherein R represents a saturated or unsaturated aliphatic acyl group which may have one or more halogen atoms, a hydroxy group, a lower alkoxy group, a carboxy group, a lower alkoxycarbonyl group, a cycloalkyl group or an aryl group as substituents; a hydroxyalkyl group; an aliphatic acyloxyalkyl group; a lower alkyl group having a lower alkoxy group, a carboxy group, a lower alkoxycarbonyl group, an aryl substituted lower alkoxycarbonyl group, a carbamoyl group, a mono- or dialkyl substituted carbamoyl group or a cyano group as substituents; an aromatic acyl group which may have one or more halogen atoms as substituents; a furoyl group or a pyridylcarbonyl group; R.sup.1 represents a lower alkyl group which may have one or more halogen atoms or an aryl group as substituents; and pharmaceutically acceptable salts thereof, exhibit a selective suppressive action on urethral contractions, and thus are useful as therapeutic agents for the treatment of dysuria with less hypotension including postural hypotension.
化合物的结构式为:##STR1## 其中R代表饱和或不饱和的脂肪族酰基,可以具有一个或多个卤素原子、一个羟基、一个较低的烷氧基、一个羧基、一个较低的烷氧羰基基团、一个环烷基团或一个芳基团作为取代基;一个羟基烷基团;一个脂肪族酰氧基烷基团;一个具有较低的烷氧基、一个羧基、一个较低的烷氧羰基基团、一个芳基取代的较低的烷氧羰基基团、一个
氨基甲酰基基团、一个单烷基或双烷基取代的
氨基甲酰基基团或一个
氰基作为取代基的较低的烷基;一个芳香族酰基,可以具有一个或多个卤素原子作为取代基;一个
呋喃基或
吡啶基羰基;R.sup.1代表一个较低的烷基,可以具有一个或多个卤素原子或一个芳基团作为取代基;以及其药学上可接受的盐。这些化合物表现出对尿道收缩的选择性抑制作用,因此可用作治疗排尿困难的治疗剂,具有较少的低血压包括体位性低血压的副作用。