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Investigation of Novel Primary and Secondary Pharmacophores and 3-Substitution in the Linking Chain of a Series of Highly Selective and Bitopic Dopamine D₃ Receptor Antagonists and Partial Agonists.

ABSTRACT: Dopamine D₃ receptors (D₃R) play a critical role in neuropsychiatric conditions including substance use disorders (SUD). Recently, we reported a series of N-(3-hydroxy-4-(4-phenylpiperazin-1-yl)butyl)-1H-indole-2-carboxamide analogues as high affinity and selective D₃R lead molecules for the treatment of opioid use disorders (OUD). Further optimization led to a series of analogues that replaced the 3-OH with a 3-F in the linker between the primary pharmacophore (PP) and secondary pharmacophore (SP). Among the 3-F-compounds, 9b demonstrated the highest D₃R binding affinity (K_i = 0.756 nM) and was 327-fold selective for D₃R over D₂R. In addition, modification of the PP or SP with a 3,4-(m

SUBMITTER: Shaik AB

PROVIDER: S-EPMC8830247 | biostudies-literature | 2019 Oct

REPOSITORIES: biostudies-literature

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Investigation of Novel Primary and Secondary Pharmacophores and 3-Substitution in the Linking Chain of a Series of Highly Selective and Bitopic Dopamine D₃ Receptor Antagonists and Partial Agonists.

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Investigation of Novel Primary and Secondary Pharmacophores and 3-Substitution in the Linking Chain of a Series of Highly Selective and Bitopic Dopamine D3 Receptor Antagonists and Partial Agonists.

OmicsDI is part of the ELIXIR infrastructure

Tweets

Investigation of Novel Primary and Secondary Pharmacophores and 3-Substitution in the Linking Chain of a Series of Highly Selective and Bitopic Dopamine D₃ Receptor Antagonists and Partial Agonists.