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US 4,065,473 AGranted
Intermediates in the preparation of 2,3,4,5-tetrahydro-1H-3-benzazepines
AssigneeHoffmann-La Roche Inc.
InventorsArnold Brossi, Benjamin Pecherer, Robert Sunbury
Life of this patent
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Abstract
A process for the preparation of heterocyclic compounds containing one nitrogen atom and novel 2,3,4,5-tetrahydro-1H-3-benzazepines prepared by this process are disclosed. The resulting heterocyclic compounds, including the novel 2,3,4,5-tetrahydro-1H-3-benzazepine derivatives, exhibit analgesic, appetite suppressant, and anti-edema activity.
Claims2
A compound selected from the group consisting of compounds of the formula ##STR18## wherein R.sub.2 and R.sub.3 taken together signify methylenedioxy;
- R.sub.4 signifies hydrogen, lower alkyl, carboxy, aryl or aryl substituted by a member selected from the group consisting of halogen, lower alkyl, nitro, or trifluoromethyl;
- n is 1 or 2;
- and X is acetyl.
N-6-Chloromethyl-3,4-methylenedioxyphenethyl) acetamide.
Dependencies are inferred from the claim text.