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Antidepressant activity of N-methyl-D-aspartate (NMDA) receptor antagonists and negative allosteric modulators (NAMs) has led to increased investigation of their behavioral pharmacology. NMDA antagonists, such as ketamine, impair cognition in multiple species and in multiple cognitive domains. However, studies with NR2B subtype-selective NAMs have reported… (More)
In vitro studies suggested that the ammonium salt 2 could be a viable prodrug of the HIV-1 attachment inhibitor 1. Increased systemic exposure of the parent drug 1 following oral administration of the amminium salt 2 when compared to similar studies using solution dosing of the parent compound was observed in the in vivo studies in both rats and dogs. At… (More)
The design, synthesis, and structure-activity studies of a novel series of BK B(1) receptor antagonists based on a 1-benzylbenzimidazole chemotype are described. A number of compounds, for example, 38g, with excellent affinity for the cynomolgus macaque and rat bradykinin B(1) receptor were discovered.