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Discovery and synthesis of a new class of opioid ligand having a 3-azabicyclo[3.1.0]hexane core. An example of a 'magic methyl' giving a 35-fold improvement in binding

BIOORGANIC & MEDICINAL CHEMISTRY LETTERS (2011)

期刊

BIOORGANIC & MEDICINAL CHEMISTRY LETTERS

卷 21, 期 15, 页码 4608-4611

出版社

PERGAMON-ELSEVIER SCIENCE LTD

DOI: 10.1016/j.bmcl.2011.05.132

关键词

Opioid; Opiate; Pruritis; mu Opioid ligand antagonist; Rotational energy barrier

类别

Chemistry, Medicinal Chemistry, Organic

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摘要

In looking for a novel achiral mu opioid receptor antagonist for the treatment of pruritus, we designed and synthesised azabicyclo[3.1.0]hexane compounds as a new class of opioid ligand. During optimisation, an addition of a single methyl resulted in a 35-fold improvement in binding. An early example from the series had excellent mu opioid receptor antagonist antagonist activity and was very effective in an in vivo pruritus study. (C) 2011 Elsevier Ltd. All rights reserved.

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