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US 4,362,666 AGranted
Diazepinopyrrolobenzodiazepines
AssigneeCiba-Geigy Corporation
InventorJan W. F. Wasley
Life of this patent
Estimating the term…
Abstract
1,3,4,14b-Tetrahydro-2H,10H-pyrazino[1,2-a]pyrrolo[2,1-c][1,4]benzodiazepin es, e.g. those of the formula ##STR1## R.sub.6 .dbd.H, alkyl, alkenyl, alkynyl, (cycloalkyl or HO)-alkyl R.sub.7 .dbd.H, halo or CF.sub.3 acyl derivatives, N-oxides, quaternaries and acid addition salts thereof are antidepressants.
Claims2
A compound of the formula ##STR5## wherein R.sub.1, R.sub.3, R.sub.4, R.sub.5 is hydrogen;
- R.sub.2 is hydrogen or lower alkyl;
- Ph is 1,2-phenylene unsubstituted or substituted by one member selected from lower alkyl, lower alkoxy, lower alkylthio, halogeno and trifluoromethyl;
- C.sub.n H.sub.2n is lower alkylene separating both nitrogen atoms by 3 carbon atoms;
- or pharmaceutically acceptable acid addition salts thereof.
1 more element
Dependencies are inferred from the claim text.