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ID: ALA3758107
Journal: Bioorg Med Chem Lett
Title: Lead optimization of the VU0486321 series of mGlu(1) PAMs. Part 2: SAR of alternative 3-methyl heterocycles and progress towards an in vivo tool.
Authors: Garcia-Barrantes PM, Cho HP, Metts AM, Blobaum AL, Niswender CM, Conn PJ, Lindsley CW.
Abstract: This Letter describes the further lead optimization of the VU0486321 series of mGlu1 positive allosteric modulators (PAMs), driven by recent genetic data linking loss of function GRM1 to schizophrenia. Steep and caveat-laden SAR plagues the series, but ultimately potent mGlu1 PAMs (EC50s ∼5 nM) have resulted with good DMPK properties (low intrinsic clearance, clean CYP profile, modest Fu) and CNS penetration (Kps 0.25-0.97), along with up to >450-fold selectivity versus mGlu4 and mGlu5.
CiteXplore: 26778256