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J Med Chem. 2004 Nov 18;47(24):5825-8.

Discovery of positive allosteric modulators for the metabotropic glutamate receptor subtype 5 from a series of N-(1,3-diphenyl-1H- pyrazol-5-yl)benzamides that potentiate receptor function in vivo.

Author information

1
Department of Medicinal Chemistry, Technology Enabled Synthesis Group, Department of Neuroscience, Department of Drug Metabolism, Merck Research Laboratories, West Point, Pennsylvania 19486, USA. craig_lindsley@merck.com

Abstract

This report describes the discovery of the first centrally active allosteric modulators of the metabotropic glutamate receptor subtype 5 (mGluR5). Appropriately substituted N-(1,3-diphenyl-1H-pyrazol-5-yl)benzamides (e.g., 8) have been identified as a novel class of potent positive allosteric modulators of mGluR5 that potentiate the response to glutamate. An iterative analogue library synthesis approach provided potentiators with excellent potency and selectivity for mGluR5 (vs mGluRs 1-4, 7, 8). Compound 8q demonstrated in vivo proof of concept in an animal behavior model where known antipsychotics are active, supporting the development of new antipsychotics based on the NMDA hypofunction model for schizophrenia.

PMID:
15537338
DOI:
10.1021/jm049400d
[Indexed for MEDLINE]

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