7H-Indolizino [5,6,7-IJ]isoquinoline derivatives

Abstract

Compounds of the formula: ##SPC1## Wherein R represents hydrogen, halogen or alkoxy of 1 to 4 carbon atoms, and R.sub.1 represents hydrogen, alkyl of 1 to 4 carbon atoms substituted by (i) carboxy, (ii) alkoxycarbonyl in which the alkoxy moiety contains 1 to 7 carbon atoms, or (iii) carbamoyl, or R.sub.1 represents phenylalkyl in which the alkyl moiety contains 1 to 4 carbon atoms and is substituted by (i) carboxy, (ii) alkoxycarbonyl in which the alkoxy moiety contains 1 to 4 carbon atoms, or (iii) carbamoyl, or R.sub.1 represents alkanoyl of 1 to 4 carbon atoms or benzoyl, are new compounds possessing chemotherapeutic properties and are particularly active as antibilharzial, anthelmintic and antimicrobial agents.

Dependencies are inferred from the claim text.