N-(2-Cyanoethyl) derivatives of meperidine, ketobemidone, and a potent 6,7-benzomorphan

N-(2-Cyanoethyl) derivatives of meperidine, ketobemidone, and a potent 6,7-benzomorphan Effect of a 6-Cyano Substituent in 14-OxygenatedN-Methylmorphinans on Opioid Receptor Binding and Antinociceptive Potency 2,6-Methano-3-benzazocine-11-propanols. Lack of antagonism between optical antipodes and observation of potent narcotic antagonism by two N-methyl derivatives Synthesis and pharmacological activity of some N-alkyl-substituted 9.alpha.-ethyl-2'-hydroxy-5-methyl-6,7-benzomorphans Some spiro analogs of the potent analgesic ketobemidone (2,6-Methano-3-benzazocin-11.beta.-yl)alkanones. 1. Alkylalkanones: a new series of N-methyl derivatives with novel opiate activity profiles Synthesis and analgetic activity of 1,2,3,4,5,6-hexahydro-1,6-methano-3-benzazocines Analgesic narcotic antagonists. 9. 6-Methylene-8.beta.-alkyl-N-(cycloalkylmethyl)-3-hydroxy- or -methoxymorphinans New analgesic drugs derived from phencyclidine Electrophilic .alpha.-methylene-.gamma.-lactone and isothiocyanate opioid ligands related to etorphine