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US 3,944,579 AGranted
2-Amino-5-phenyl-4H-3,5-dihydro-1,5-benzodiazepin-4-ones and salts thereof
AssigneeBoehringer Ingelheim GmbH
InventorsAdolf Bauer, Karl Heinz Weber, Klaus Minck, Peter Danneberg
Life of this patent
Estimating the term…
Abstract
Compounds of the formula ##SPC1## Wherein R.sub.1 and R.sub.2 are each hydrogen or methyl, and R.sub.3 is chlorine, bromine or nitro, and non-toxic, pharmacologically acceptable acid addition salts thereof; the compounds as well as their salts are useful as tranquilizers.
Claims3
A compound of the formula ##SPC13##
- wherein
- R.sub.1 and R.sub.2 are each hydrogen or methyl, and
- R.sub.3 is chlorine, bromine or nitro, or a non-toxic, pharmacologically acceptable acid addition salt thereof.
Dependencies are inferred from the claim text.