Compounds of formula I: ##STR1## wherein R.sub.1 represents a hydrogen atom or a methyl group; R.sub.2 represents a hydrogen or halogen atom or a methyl, cyano, C.sub.1 -C.sub.4 alkylthio or phenylthio group; R.sub.7 and R.sub.8 represent hydrogen atoms and R.sub.3 represents a hydrogen atom or a methoxy group, or R.sub.7 represents a hydrogen atom and R.sub.3 and R.sub.8 taken together represent a bond, or R.sub.3 represents a hydrogen atom or a methoxy group and R.sub.7 and R.sub.8 taken together represent a bond; R.sub.4 represents a hydrocarbon group having from 1 to 4 carbon atoms; R.sub.5 represents a hydrogen atom or a hydrocarbon group having from 1 to 4 carbon atoms or a phenyl group; X represents an oxygen or sulphur atom or an imino group, R.sub.9 represents a hydrogen atom and B represents a cyano, a C.sub.2 -C.sub.5 alkoxycarbonyl or carbamoyl group, or R.sub.9 and B taken together represent a ##STR2## group wherein W represents an oxygen atom or an imino group; A represents a group of the formula CHR.sub.6, CH.sub.2 --CHR.sub.6 or CH.dbd.CR.sub.6 group wherein R.sub.6 represents a hydrogen atom or a C.sub.1 -C.sub.4 alkyl group; and n is 0, 1 or 2; and their pharmaceutically acceptable salts are disclosed, along with the use of these compounds as antiprolactinic and antihypertensive agents. The preparation of these compounds and pharmaceutical compositions containing them are also described.
化合物I的公式:##STR1## 其中,R.sub.1代表氢原子或甲基基团;R.sub.2代表氢原子或卤素原子,或甲基,
氰基,C.sub.1-C.sub.4烷基
硫基或苯基
硫基基团;R.sub.7和R.sub.8代表氢原子,R.sub.3代表氢原子或甲氧基,或R.sub.7代表氢原子,R.sub.3和R.sub.8共同代表键,或R.sub.3代表氢原子或甲氧基,R.sub.7和R.sub.8共同代表键;R.sub.4代表具有1至4个碳原子的碳氢基团;R.sub.5代表氢原子或具有1至4个碳原子或苯基的碳氢基团;X代表氧原子或
硫原子或
亚胺基,R.sub.9代表氢原子,B代表
氰基,C.sub.2-C.sub.5烷氧羰基或
氨基甲酰基团,或R.sub.9和B共同代表一个##STR2##基团,其中W代表氧原子或
亚胺基;A代表公式CHR.sub.6,CH.sub.2--CHR.sub.6或CH.dbd.CR.sub.6基团,其中R.sub.6代表氢原子或C.sub.1-C.sub.4烷基;n为0、1或2;以及它们的药学上可接受的盐,以及这些化合物作为抗
催乳素和降压剂的用途。还描述了这些化合物的制备和含有它们的制药组合物。