Design and synthesis of 10-oxo derivative of N-cyclopropylmethyl (−)-6β-acetylthiodihydro-normorphine, a potentially κ-selective opioid receptor ligand

Design and synthesis of 10-oxo derivative of N-cyclopropylmethyl (−)-6β-acetylthiodihydro-normorphine, a potentially κ-selective opioid receptor ligand Synthesis of new opioid derivatives with a propellane skeleton and their pharmacology: Part 1 Synthesis and Biological Evaluation of 14-Alkoxymorphinans. 18. N-Substituted 14-Phenylpropyloxymorphinan-6-ones with Unanticipated Agonist Properties:  Extending the Scope of Common Structure−Activity Relationships Synthesis and Pharmacology of a Novel κ Opioid Receptor (KOR) Agonist with a 1,3,5-Trioxazatriquinane Skeleton Non-peptide ligands for opioid receptors. Design of .kappa.-specific agonists Highly selective .kappa.-opioid analgesics. 3. Synthesis and structure-activity relationships of novel N-[2-(1-pyrrolidinyl)-4- or -5-substituted cyclohexyl]arylacetamide derivatives Synthesis and biological evaluation of 14-alkoxymorphinans. 2. (-)-N-(Cyclopropylmethyl)-4,14-dimethoxymorphinan-6-one, a selective .mu. opioid receptor antagonist Design, Synthesis, and Biological Evaluation of 6α- and 6β-N-Heterocyclic Substituted Naltrexamine Derivatives as μ Opioid Receptor Selective Antagonists Synthesis and analgesic properties of N-substituted trans-4a-aryldecahydroisoquinolines Syntheses of 4,6′-epoxymorphinan derivatives and their pharmacologies