Pharmacologically active R(-) 3-quinuclidinol derivatives are described which are muscarinic receptor blocking agents useful for the treatment of gastrointestinal and respiratory tract disorders of the following formula (I) ##STR1## wherein R represents a linear or branched lower alkyl group, a cycloalkyl-C.sub.1-2 alkyl or an aralkyl group, or it is absent; X represents the anion of an organic or inorganic acid, or it is absent, when R is absent; R.sub.1 represents H, a linear or branched lower alkyl group or an acyl group of the type R.sub.2 --CO, in which R.sub.2 is H or a linear or branched lower alkyl group; A represents a cycloalkyl, an aromatic ring or a 5- or 6-membered heterocyclic ring; Y and Z may be simultaneously or alternatively present or absent; when they are simultaneously present, they represent oxygen; when only one of them is present, it is oxygen or sulphur; n is 1, 2 or 3; A and the 3-quinuclidinyl ester groups are inserted simultaneously on the same carbon atom of the ring to give rise to a geminal substitution. The process for the preparation of the compounds of formula (I) as well as pharmaceutical compositions containing them are also described.
描述了具有药理活性的R(-) 3-喹诺啉醇衍
生物,它们是肌碱受体阻断剂,用于治疗以下
化学式(I)的胃肠道和呼吸道疾病:其中R代表线性或支链低碳基团,环烷基-C.sub.1-2烷基或芳基基团,或者它不存在;X代表有机或
无机酸的阴离子,或者当R不存在时它不存在;R.sub.1代表H,线性或支链低碳基团或类型为R.sub.2--CO的酰基,其中R.sub.2为H或线性或支链低碳基团;A代表环烷基,芳香环或5-或6-成员杂环;Y和Z可以同时或交替存在或不存在;当它们同时存在时,它们代表氧;当只有一个存在时,它是氧或
硫;n为1、2或3;A和3-喹诺啉酯基同时插入在环的同一碳原子上,以产生伪交换。还描述了
化学式(I)化合物的制备过程以及含有它们的药物组成。