Synthesis and evaluation of a set of 4-phenylpiperidines and 4-phenylpiperazines as D2 receptor ligands and the discovery of the dopaminergic stabilizer 4-[3-(methylsulfonyl)phenyl]-1-propylpiperidine (huntexil, pridopidine, ACR16).
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Pettersson F, Ponten H, Waters N, Waters S, Sonesson C
Synthesis and evaluation of a set of 4-phenylpiperidines and 4-phenylpiperazines as D2 receptor ligands and the discovery of the dopaminergic stabilizer 4-[3-(methylsulfonyl)phenyl]-1-propylpiperidine (huntexil, pridopidine, ACR16).
J Med Chem. 2010 Mar 25;53(6):2510-20. doi: 10.1021/jm901689v.
- PubMed ID
- 20155917 [ View in PubMed]
- Abstract
Modification of the partial dopamine type 2 receptor (D(2)) agonist 3-(1-benzylpiperidin-4-yl)phenol (9a) generated a series of novel functional D(2) antagonists with fast-off kinetic properties. A representative of this series, pridopidine (4-[3-(methylsulfonyl)phenyl]-1-propylpiperidine; ACR16, 12b), bound competitively with low affinity to D(2) in vitro, without displaying properties essential for interaction with D(2) in the inactive state, thereby allowing receptors to rapidly regain responsiveness. In vivo, neurochemical effects of 12b were similar to those of D(2) antagonists, and in a model of locomotor hyperactivity, 12b dose-dependently reduced activity. In contrast to classic D(2) antagonists, 12b increased spontaneous locomotor activity in partly habituated animals. The "agonist-like" kinetic profile of 12b, combined with its lack of intrinsic activity, induces a functional state-dependent D(2) antagonism that can vary with local, real-time dopamine concentration fluctuations around distinct receptor populations. These properties may contribute to its unique "dopaminergic stabilizer" characteristics, differentiating 12b from D(2) antagonists and partial D(2) agonists.
DrugBank Data that Cites this Article
- Binding Properties
Drug Target Property Measurement pH Temperature (°C) Apomorphine Dopamine D2 receptor Ki (nM) 244 N/A N/A Details Apomorphine Dopamine D2 receptor Ki (nM) 0.62 N/A N/A Details Aripiprazole Dopamine D2 receptor Ki (nM) 2.6 N/A N/A Details Aripiprazole Dopamine D2 receptor Ki (nM) 2.8 N/A N/A Details Bifeprunox Dopamine D2 receptor Ki (nM) 0.1 N/A N/A Details Bifeprunox Dopamine D2 receptor Ki (nM) 0.04 N/A N/A Details Dopamine Dopamine D2 receptor Ki (nM) 2100 N/A N/A Details Dopamine Dopamine D2 receptor Ki (nM) 2.9 N/A N/A Details Haloperidol Dopamine D2 receptor Ki (nM) 1.9 N/A N/A Details Haloperidol Dopamine D2 receptor Ki (nM) 1 N/A N/A Details Olanzapine Dopamine D2 receptor Ki (nM) 32 N/A N/A Details Olanzapine Dopamine D2 receptor Ki (nM) 6.1 N/A N/A Details