Biologically active tricyclic compounds and pharmaceutical compositions containing same

Abstract From the Canadian patent

The present invention relates to novel biologically active tricyclic compounds, of the general formula I: I, and pharmaceutically acceptable salts thereof in which R1 represents hydrogen, alkyl of 1-6 carbon atoms, an optionally substituted aralkyl group or an acyl group, R2 represents hydrogen alkyl (1-6 C), or, an optionally substituted aralkyl group or, R1 + R2 together with the nitrogen atom represent a heterocyclic 5- or 6-membered ring, X and Y each represent hydrogen hydroxy, halogen, alkyl or alkoxy of 1-6 carbon atoms. nitro CF3 or an acyloxy group, and, the dotted line siqnifies an optional extra bond. The compounds of the general formulaI have valuable anti-depressant activity …