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US 4,061,752 AGranted
6-Piperazino-11-methylene-dibenzazepines[b,e]
AssigneeSandoz Ltd.
InventorFranz Martin Kunzle
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Abstract
This invention provides new compounds of formula I, ##STR1## wherein R.sub.1 is hydrogen, alkyl of 1 to 4 carbon atoms, Or hydroxyalkyl of 1 to 4 carbon atoms, and R.sub.2 is hydrogen or halogen, Useful as anti-psychotics and sleep-inducing agents.
Claims12
A compound of formula I, ##STR7## wherein R.sub.1 is hydrogen, alkyl of 1 to 4 carbon atoms, or hydroxyalkyl of 1 to 4 carbon atoms, and
- R.sub.2 is hydrogen or halogen,
- in free base form or in pharmaceutically acceptable acid addition salt form.
Dependencies are inferred from the claim text.