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ID: ALA4190397
Journal: J Med Chem
Title: Design and Synthesis of Novel and Selective Glycine Transporter-1 (GlyT1) Inhibitors with Memory Enhancing Properties.
Authors: Santora VJ, Almos TA, Barido R, Basinger J, Bellows CL, Bookser BC, Breitenbucher JG, Broadbent NJ, Cabebe C, Chai CK, Chen M, Chow S, Chung M, Crickard L, Danks AM, Freestone GC, Gitnick D, Gupta V, Hoffmaster C, Hudson AR, Kaplan AP, Kennedy MR, Lee D, Limberis J, Ly K, Mak CC, Masatsugu B, Morse AC, Na J, Neul D, Nikpur J, Peters M, Petroski RE, Renick J, Sebring K, Sevidal S, Tabatabaei A, Wen J, Yan Y, Yoder ZW, Zook D.
Abstract: We report here the identification and optimization of a novel series of potent GlyT1 inhibitors. A ligand design campaign that utilized known GlyT1 inhibitors as starting points led to the identification of a novel series of pyrrolo[3,4- c]pyrazoles amides (21-50) with good in vitro potency. Subsequent optimization of physicochemical and in vitro ADME properties produced several compounds with promising pharmacokinetic profiles. In vivo inhibition of GlyT1 was demonstrated for select compounds within this series by measuring the elevation of glycine in the cerebrospinal fluid (CSF) of rats after a single oral dose of 10 mg/kg. Ultimately, an optimized lead, compound 46, demonstrated in vivo efficacy in a rat novel object recognition (NOR) assay after oral dosing at 0.1, 1, and 3 mg/kg.
CiteXplore: 29886732