Novel 3,6,7-Substituted Pyrazolopyrimidines as Positive Allosteric Modulators for the Hydroxycarboxylic Acid Receptor 2 (GPR109A)

A number of pyrazolopyrimidines were synthesized and tested for their positive allosteric modulation of the HCA2 receptor (GPR109A). Compound 24, an efficacious and potent agonist and allosteric enhancer of nicotinic acid’s action, was the basis for most other compounds. Interestingly, some of the c...

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Veröffentlicht in:Journal of medicinal chemistry 2012-04, Vol.55 (7), p.3563-3567
Hauptverfasser: Blad, Clara C, van Veldhoven, Jacobus P. D, Klopman, Corné, Wolfram, Dieter R, Brussee, Johannes, Lane, J. Robert, IJzerman, Adriaan P
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container_end_page 3567
container_issue 7
container_start_page 3563
container_title Journal of medicinal chemistry
container_volume 55
creator Blad, Clara C
van Veldhoven, Jacobus P. D
Klopman, Corné
Wolfram, Dieter R
Brussee, Johannes
Lane, J. Robert
IJzerman, Adriaan P
description A number of pyrazolopyrimidines were synthesized and tested for their positive allosteric modulation of the HCA2 receptor (GPR109A). Compound 24, an efficacious and potent agonist and allosteric enhancer of nicotinic acid’s action, was the basis for most other compounds. Interestingly, some of the compounds were found to increase the efficacy of the endogenous ligand 3-hydroxybutyrate and enhance its potency almost 10-fold. This suggests that the pyrazolopyrimidines may have therapeutic value when given alone.
doi_str_mv 10.1021/jm300164q
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subjects 3-Hydroxybutyric Acid - metabolism
Allosteric Regulation
Drug Synergism
Guanosine 5'-O-(3-Thiotriphosphate) - pharmacology
HEK293 Cells
Humans
Niacin - pharmacology
Pyrazoles - chemical synthesis
Pyrazoles - chemistry
Pyrazoles - pharmacology
Pyrimidines - chemical synthesis
Pyrimidines - chemistry
Pyrimidines - pharmacology
Radioligand Assay
Receptors, G-Protein-Coupled - agonists
Receptors, G-Protein-Coupled - metabolism
Receptors, Nicotinic - metabolism
Structure-Activity Relationship
title Novel 3,6,7-Substituted Pyrazolopyrimidines as Positive Allosteric Modulators for the Hydroxycarboxylic Acid Receptor 2 (GPR109A)
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