6N-cinnamoyl-β-naltrexamine and its p-nitro derivative. High efficacy κ-opioid agonists with weak antagonist actions

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Abstract

6N-cinnamoyl-β-naltrexamine and its p-nitro derivative (7 and 8) are κ-opioid agonists of high potency and exceptional efficacy and are only weakly effective μ opioid antagonists. This contrasts with the p-methyl analogue which has only low efficacy κ-agonism but is a selective irreversible μ-antagonist like β-FNA.

Original languageEnglish
Pages (from-to)167-172
Number of pages6
JournalBioorganic and Medicinal Chemistry Letters
Volume6
Issue number2
DOIs
Publication statusPublished - 23 Jan 1996
Externally publishedYes

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