| abstract |
Compounds are disclosed of the formulan n wherein R 1 is hydrogen or C 1 -C 6 alkyl; Y is -CH 2 -, -O-,n R 2 is C 1 -C 6 alkyl; C 2 -C 6 alkenyl; C 3 -C 6 cycloalkyl; phenyl which may be mono- or di-substituted on the phenyl ring with C 1 -C 6 alkoxy; aralkyl which may be mono- or di-substituted on the aromatic ring with C 1 -C 6 alkoxy; diphenylmethyl; carboalkoxy; or an O- or N-heterocyclic radical which is linked to the nitrogen atom via carbonyl or carbonylmethylene; m is 2 or 3; and n is 0 or 1, and physiologically acceptable acid addition salts thereof. The compounds of formula (I) are of a blood flow-increasing action and can be used for the therapy or prevention of diseases in the cardiovascular system. |