2-Acyl-4-oxo-pyrazino-isoquinoline derivatives and process for the preparation thereof
2-Acyl-4-oxo-hexahydro-4H-pyrazino[2,1-a]isoquinoline derivatives of the formula ##STR1## wherein COR is the acyl radical of an up to 26 carbon atom acid and their physiologically acceptable acid addition and quaternary ammonium salts, are anthelmintics and can be produced by reacting 4-oxo-1,2,3,6,7,11b-hexahydro-4H-pyrazino[2,1-a]isoquinoline with an acid or a reactive functional derivative thereof.
Seubert; Jurgen (Darmstadt, DT), Thomas; Herbert (Wuppertal, DT), Andrews; Peter (Wuppertal, DT)
Merck Patent Gesellschaft mit beschrankter Haftung (Darmstadt, DT)
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