abstract |
The invention concerns hexahydroazepines of the formula ##STR1## and the pharmaceutically acceptable acid addition and quaternary ammonium salts thereof, wherein R 4 is lower alkyl, R 5 is lower alkyl, lower alkenyl, lower alkynyl or cyclopropylmethyl and R 6 is a 1-adamantoyl group. The compounds are useful as analgesic agents. |