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On resin click-chemistry-mediated synthesis of novel enkephalin analogues with potent anti-nociceptive activity

Scientific Reports, ISSN: 2045-2322, Vol: 9, Issue: 1, Page: 5771
2019
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Article Description

Here, we report the chemical synthesis of two DPDPE analogues 7a (NOVA1) and 7b (NOVA2). This entailed the solid-phase synthesis of two enkephalin precursor chains followed by a Cu -catalyzed azide-alkyne cycloaddition, with the aim of improving in vivo analgesic efficacy versus DPDPE. NOVA2 showed good affinity and selectivity for the μ-opioid receptor (K of 59.2 nM, EC of 12.9 nM, E of 87.3%), and long lasting anti-nociceptive effects in mice when compared to DPDPE.

Bibliographic Details

Stefanucci, Azzurra; Lei, Wei; Pieretti, Stefano; Novellino, Ettore; Dimmito, Marilisa Pia; Marzoli, Francesca; Streicher, John M; Mollica, Adriano

Springer Science and Business Media LLC

Multidisciplinary

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