Identification and characterization of 4-methylbenzyl 4-[(pyrimidin-2-ylamino)methyl]piperidine-1-carboxylate, an orally bioavailable, brain penetrant NR2B selective N-methyl-D-aspartate receptor antagonist.
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Liverton NJ, Bednar RA, Bednar B, Butcher JW, Claiborne CF, Claremon DA, Cunningham M, DiLella AG, Gaul SL, Libby BE, Lyle EA, Lynch JJ, McCauley JA, Mosser SD, Nguyen KT, Stump GL, Sun H, Wang H, Yergey J, Koblan KS
Identification and characterization of 4-methylbenzyl 4-[(pyrimidin-2-ylamino)methyl]piperidine-1-carboxylate, an orally bioavailable, brain penetrant NR2B selective N-methyl-D-aspartate receptor antagonist.
J Med Chem. 2007 Feb 22;50(4):807-19. Epub 2007 Jan 24.
- PubMed ID
- 17249648 [ View in PubMed]
- Abstract
The discovery of a novel series of NR2B subtype selective N-methyl-d-aspartate (NMDA) antagonists is reported. Initial optimization of a high-throughput screening lead afforded an aminopyridine derivative 13 with significant NR2B antagonist potency but limited selectivity over hERG-channel and other off-target activities. Further structure-activity studies on the aminoheterocycle moiety and optimization of the carbamate led to the highly potent 2-aminopyrimidine derivative 20j with a significantly improved off-target activity profile and oral bioavailability in multiple species coupled with good brain penetration. Compound 20j demonstrated efficacy in in vivo rodent models of antinociception, allodynia, and Parkinson's disease.
DrugBank Data that Cites this Article
- Binding Properties
Drug Target Property Measurement pH Temperature (°C) Quinidine Cytochrome P450 2D6 IC 50 (nM) 410 N/A N/A Details Sulfaphenazole Cytochrome P450 2C9 IC 50 (nM) 350 N/A N/A Details