Saturated tetracyclic nitrogen heterocycles
AssigneeCiba-Geigy Corporation
InventorsWolfgang Frostl, Cesare Mondadori, Dietrich Strub, Armin Zust
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Abstract
Novel hydrogenated heterocyclic compounds, containing two nitrogen atoms, of the formula ##STR1## in which R.sub.1, R.sub.2, R.sub.3, R.sub.5 and Rhd 7 are each, independently of the others, hydrogen or lower alkyl, m is 2 or 3, n is 1 or 2, and either R.sub.4 and R.sub.6 are each hydrogen or R.sub.4 and R.sub.6 together form an additional bond, in free form or in form of a salt, can be used as pharmaceutical active ingredients and can be manufactured in a manner known per se.
Claims4
A compound of the formula ##STR7## in which R.sub.1,R.sub.2,R.sub.3,R.sub.5 and R.sub.7 are each, independently of the others, hydrogen or lower alkyl, m is 3 and n is 2, and either R.sub.4 and R.sub.6 are each hydrogen or R.sub.4 and R.sub.6 together form an additional bond, in free form or in form of a salt.
Dependencies are inferred from the claim text.