Process for the preparation of tetrahydro - pyrrolo (1,2 - a) pyrimidines substituted in position 3, the pharmaceutical compositions containing these compounds and new tetrahydro - pyrrolo (1,2 - a) pyrimidines substituted in position 3

摘要

Chemical compounds having an effect on the circulatory system have the formulas IMAGE (I) or IMAGE (II) or a mixture thereof, or a pharmaceutically suitable acid-addition salt or quaternary salt thereof, wherein R is hydrogen or lower alkyl, R1 is lower alkyl, phenyl, carboxyl, lower alkoxycarbonyl, nitrile, carbamoyl or carbohydrazido, R2 is hydrogen or lower alkyl, and wherein the formula I R2 is hydrogen then R1 is other than nitrile, alkoxycarbonyl or propyl.