Borne R F, Law S J, Wirth P W, Murphy J C
J Pharm Sci. 1977 Apr;66(4):594-6. doi: 10.1002/jps.2600660438.
The synthesis of two N-substituted 5,6-benzo-2-azabicyclo[2.2.2]octane analogs of benzomorphan-type analgesics via benzyne addition to appropriate N-substituted N-alkyl-2-pyridones is described. Neither derivative possessed observable analgesic activity at the doses tested.