Compounds are provided having the structure ##STR1## wherein n is 1 or 2, n.sup.1 is 0, 1 or 2 and n.sup.2 is 0, 1, 2 or 3, R.sub.1, R.sub.2, R.sub.3 and R.sub.4 may be the same or different and can be hydrogen, lower alkyl, halolower alkyl, acyl, lower alkoxy-carbonyl ##STR2## amido ##STR3## or lower alkoxyalkylene, R can be lower alkoxy, lower alkyl or cycloalkyl, R.sub.8 can be hydrogen, lower alkyl, cycloalkyl, hydroxy, dialkylaminoalkyl or R.sub.9 O(CH.sub.2)q-. X is a single bond or a straight or branched bivalent aliphatic radical and Y is ##STR4## These compounds are useful in the treatment of hypertension.
提供具有结构##STR1##的化合物,其中n为1或2,n.sup.1为0、1或2,n.sup.2为0、1、2或3,R.sub.1、R.sub.2、R.sub.3和R.sub.4可以相同也可以不同,可以是氢、低烷基、卤代低烷基、酰基、低烷氧基-羰基##STR2##酰胺##STR3##或低烷氧基烷基,R可以是低烷氧基、低烷基或环烷基,R.sub.8可以是氢、低烷基、环烷基、羟基、二烷基
氨基烷基或R.sub.9 O(CH.sub.2)q-。X是单键或直链或支链二价脂肪族基,Y是##STR4##这些化合物在高血压的治疗中有用。