Certain 2h-benzo[a]quinolizin-2-yl-aminoalkyl esters of 1,4-dihydro-3,5-pyridinedicarboxylates useful for treating circulation disorders

摘要

Circulation active compounds of the formula <IMAGE> in which R1 is phenyl or heterocyclyl substituted by nitro, trifluoromethyl or other radicals, R2 is optionally substituted alkyl or other radical R3 and R5 are hydrogen, methyl or other radicals, R4 is hydrogen or optionally substituted alkyl, X is from 2 to 15, and R6 is <IMAGE> <IMAGE> <IMAGE> and physiologically acceptable salts thereof.