Synthesis and biological evaluation of 14-alkoxymorphinans. 2. (-)-N-(Cyclopropylmethyl)-4,14-dimethoxymorphinan-6-one, a selective .mu. opioid receptor antagonist

Synthesis and biological evaluation of 14-alkoxymorphinans. 2. (-)-N-(Cyclopropylmethyl)-4,14-dimethoxymorphinan-6-one, a selective .mu. opioid receptor antagonist Synthesis and biological evaluation of 14-alkoxymorphinans. 3. Extensive study on cyprodime-related compounds Synthesis and biological evaluation of 14-alkoxymorphinans.12.1 A phenethyl analogue of the μ-selective opioid receptor antagonist cyprodime Synthesis and Biological Evaluation of 14-Alkoxymorphinans. 11. 3-Hydroxycyprodime and Analogs: Opioid Antagonist Profile in Comparison to Cyprodime Synthesis and Biological Evaluation of 14-Alkoxymorphinans. 21. Novel 4-Alkoxy and 14-Phenylpropoxy Derivatives of the μ Opioid Receptor Antagonist Cyprodime 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 Some 14.beta.-substituted analogs of N-(cyclopropylmethyl)normorphine Synthesis and biological evaluation of 14-alkoxymorphinans. 1. Highly potent opioid agonists in the series of (-)-14-methoxy-N-methylmorphinan-6-ones Synthesis and Biological Evaluation of 14-Alkoxymorphinans. 22. Influence of the 14-Alkoxy Group and the Substitution in Position 5 in 14-Alkoxymorphinan-6-ones on in Vitro and in Vivo Activities Synthesis and Biological Evaluation of 14-Alkoxymorphinans. 20. 14-Phenylpropoxymetopon:  An Extremely Powerful Analgesic