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Journals and Conferences
The histamine H3 receptor is a pre-synaptic auto- and hetero-receptor that controls the release of histamine and a variety of other neurotransmitters in the brain. As such, modulation of the histamine H(3) receptor is expected to affect wake via control of the release of histamine and to affect cognition via regulation of several other neurotransmitters… (More)
Recent findings suggest that the relaxin-3 neural network may represent a new ascending arousal pathway able to modulate a range of neural circuits including those affecting circadian rhythm and sleep/wake states, spatial and emotional memory, motivation and reward, the response to stress, and feeding and metabolism. Therefore, the relaxin-3 receptor… (More)
We have recently completed the synthesis of 1-[2-(4-cyclobutyl-[1,4]diazepane-1-carbonyl)-4-(3-fluoro-phenoxy)-pyrrolidin-1-yl]-ethanone, a hydroxyproline-based H(3) receptor antagonist, on 100 g scale. The synthesis proceeds through four steps and route selection was driven by a desire to minimize the cost-of-goods. Naturally occurring… (More)
Bacterial elongation factor Tu (EF-Tu) and EF-Ts are interacting proteins involved in polypeptide chain elongation in protein biosynthesis. A novel scintillation proximity assay for the detection of inhibitors of EF-Tu and EF-Ts, as well as the interaction between them, was developed and used in a high-throughput screen of a chemical library. Several… (More)
The synthesis and biological activity of a new series of piperazine and diazepane amides is described. The new compounds are high affinity histamine H3 ligands and serotonin reuptake inhibitors.
Depression is a major health issue, which is routinely treated with selective serotonin reuptake inhibitors. However, although these agents display a favorable effect on mood, they often fail to improve conditions that accompany depression including cognitive impairment and fatigue. In pre-clinical studies histamine H(3) receptor antagonists have… (More)
The synthesis and structure-activity relationships of a series of novel phenoxyphenyl diamine derivatives with affinity for both the histamine H(3) receptor and the serotonin transporter is described.
The design, synthesis, and in vitro activity of a series of novel 5-ethynyl-2-aryloxybenzylamine-based histamine H(3) ligands that are also serotonin reuptake transporters is described.
A series of novel 4-aryl-1,2,3,4-tetrahydroisoquinoline-based histamine H(3) ligands that also have serotonin reuptake transporter inhibitor activity is described. The synthesis, in vitro biological data, and select pharmacokinetic data for these novel compounds are discussed.
Pre-clinical characterization of novel substituted pyrrolidines that are high affinity histamine H(3) receptor antagonists is described. These compounds efficiently penetrate the CNS and occupy the histamine H(3) receptor in rat brain following oral administration. One compound,… (More)