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Cioffi CL, Liu S, Wolf MA, Guzzo PR, Sadalapure K, Parthasarathy V, Loong DTJ, Maeng JH, Carulli E, Fang X, Karunakaran K, Matta L, Choo SH, Panduga S, Buckle RN, Davis RN, Sakwa SA, Gupta P, Sargent BJ, Moore NA, Luche MM, Carr GJ, Khmelnitsky YL, Ismail J, Chung M, Bai M, Leong WY, Sachdev N, Swaminathan S, Mhyre AJ. Synthesis and Biological Evaluation of N-((1-(4-(Sulfonyl)piperazin-1-yl)cycloalkyl)methyl)benzamide Inhibitors of Glycine Transporter-1. J Med Chem 2016; 59:8473-94. [PMID: 27559615 DOI: 10.1021/acs.jmedchem.6b00914] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
We previously disclosed the discovery of rationally designed N-((1-(4-(propylsulfonyl)piperazin-1-yl)cycloalkyl)methyl)benzamide inhibitors of glycine transporter-1 (GlyT-1), represented by analogues 10 and 11. We describe herein further structure-activity relationship exploration of this series via an optimization strategy that primarily focused on the sulfonamide and benzamide appendages of the scaffold. These efforts led to the identification of advanced leads possessing a desirable balance of excellent in vitro GlyT-1 potency and selectivity, favorable ADME and in vitro pharmacological profiles, and suitable pharmacokinetic and safety characteristics. Representative analogue (+)-67 exhibited robust in vivo activity in the cerebral spinal fluid glycine biomarker model in both rodents and nonhuman primates. Furthermore, rodent microdialysis experiments also demonstrated that oral administration of (+)-67 significantly elevated extracellular glycine levels within the medial prefrontal cortex (mPFC).
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Affiliation(s)
- Christopher L Cioffi
- Department of Medicinal Chemistry, AMRI , East Campus, 3 University Place, Rensselaer, New York 12144, United States
| | - Shuang Liu
- Department of Medicinal Chemistry, AMRI , East Campus, 3 University Place, Rensselaer, New York 12144, United States
| | - Mark A Wolf
- Department of Medicinal Chemistry, AMRI , East Campus, 3 University Place, Rensselaer, New York 12144, United States
| | - Peter R Guzzo
- Department of Medicinal Chemistry, AMRI , East Campus, 3 University Place, Rensselaer, New York 12144, United States
| | - Kashinath Sadalapure
- Discovery Research and Development Chemistry, Singapore Research Center, AMRI , 61 Science Park Road, Science Park III, 117525, Singapore
| | - Visweswaran Parthasarathy
- Discovery Research and Development Chemistry, Singapore Research Center, AMRI , 61 Science Park Road, Science Park III, 117525, Singapore
| | - David T J Loong
- Discovery Research and Development Chemistry, Singapore Research Center, AMRI , 61 Science Park Road, Science Park III, 117525, Singapore
| | - Jun-Ho Maeng
- Discovery Research and Development Chemistry, Singapore Research Center, AMRI , 61 Science Park Road, Science Park III, 117525, Singapore
| | - Edmund Carulli
- Discovery Research and Development Chemistry, Singapore Research Center, AMRI , 61 Science Park Road, Science Park III, 117525, Singapore
| | - Xiao Fang
- Discovery Research and Development Chemistry, Singapore Research Center, AMRI , 61 Science Park Road, Science Park III, 117525, Singapore
| | - Kalesh Karunakaran
- Discovery Research and Development Chemistry, Singapore Research Center, AMRI , 61 Science Park Road, Science Park III, 117525, Singapore
| | - Lakshman Matta
- Discovery Research and Development Chemistry, Singapore Research Center, AMRI , 61 Science Park Road, Science Park III, 117525, Singapore
| | - Sok Hui Choo
- Discovery Research and Development Chemistry, Singapore Research Center, AMRI , 61 Science Park Road, Science Park III, 117525, Singapore
| | - Shailijia Panduga
- Discovery Research and Development Chemistry, Singapore Research Center, AMRI , 61 Science Park Road, Science Park III, 117525, Singapore
| | - Ronald N Buckle
- Department of Medicinal Chemistry, AMRI , East Campus, 3 University Place, Rensselaer, New York 12144, United States
| | - Randall N Davis
- Department of Medicinal Chemistry, AMRI , East Campus, 3 University Place, Rensselaer, New York 12144, United States
| | - Samuel A Sakwa
- Department of Medicinal Chemistry, AMRI , East Campus, 3 University Place, Rensselaer, New York 12144, United States
| | - Priya Gupta
- Discovery Research and Development Chemistry, Singapore Research Center, AMRI , 61 Science Park Road, Science Park III, 117525, Singapore
| | - Bruce J Sargent
- Department of Medicinal Chemistry, AMRI , East Campus, 3 University Place, Rensselaer, New York 12144, United States
| | - Nicholas A Moore
- Department of Medicinal Chemistry, AMRI , East Campus, 3 University Place, Rensselaer, New York 12144, United States
| | - Michele M Luche
- Bothell Research Center, AMRI , 22215 26th Ave SE, Bothell, Washington 98021-4425, United States
| | - Grant J Carr
- Bothell Research Center, AMRI , 22215 26th Ave SE, Bothell, Washington 98021-4425, United States
| | - Yuri L Khmelnitsky
- Drug Metabolism and Pharmacokinetics, AMRI , East Campus, 17 University Place, Rensselaer, New York 12144, United States
| | - Jiffry Ismail
- Drug Metabolism and Pharmacokinetics, AMRI , East Campus, 17 University Place, Rensselaer, New York 12144, United States
| | - Mark Chung
- Discovery Research and Development Chemistry, Singapore Research Center, AMRI , 61 Science Park Road, Science Park III, 117525, Singapore
| | - Mei Bai
- Discovery Research and Development Chemistry, Singapore Research Center, AMRI , 61 Science Park Road, Science Park III, 117525, Singapore
| | - Wei Yee Leong
- Discovery Research and Development Chemistry, Singapore Research Center, AMRI , 61 Science Park Road, Science Park III, 117525, Singapore
| | - Nidhi Sachdev
- Discovery Research and Development Chemistry, Singapore Research Center, AMRI , 61 Science Park Road, Science Park III, 117525, Singapore
| | - Srividya Swaminathan
- Discovery Research and Development Chemistry, Singapore Research Center, AMRI , 61 Science Park Road, Science Park III, 117525, Singapore
| | - Andrew J Mhyre
- Bothell Research Center, AMRI , 22215 26th Ave SE, Bothell, Washington 98021-4425, United States
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Dolle RE, Bourdonnec BL, Goodman AJ, Morales GA, Thomas CJ, Zhang W. Comprehensive Survey of Chemical Libraries for Drug Discovery and Chemical Biology: 2007. ACTA ACUST UNITED AC 2008; 10:753-802. [PMID: 18991466 DOI: 10.1021/cc800119z] [Citation(s) in RCA: 92] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Roland E. Dolle
- Adolor Corporation, 700 Pennsylvania Drive, Exton, Pennsylvania 19341, Semafore Pharmaceuticals Inc., 8496 Georgetown Road, Indianapolis, Indiana 46268, NIH Chemical Genomics Center, National Human Genome Research Institute, National Institutes of Health, 9800 Medical Center Drive, Rockville, Maryland 20850, and Department of Chemistry, University of Massachusetts, 100 Morrissey Boulevard, Boston, Massachusetts 02125
| | - Bertrand Le Bourdonnec
- Adolor Corporation, 700 Pennsylvania Drive, Exton, Pennsylvania 19341, Semafore Pharmaceuticals Inc., 8496 Georgetown Road, Indianapolis, Indiana 46268, NIH Chemical Genomics Center, National Human Genome Research Institute, National Institutes of Health, 9800 Medical Center Drive, Rockville, Maryland 20850, and Department of Chemistry, University of Massachusetts, 100 Morrissey Boulevard, Boston, Massachusetts 02125
| | - Allan J. Goodman
- Adolor Corporation, 700 Pennsylvania Drive, Exton, Pennsylvania 19341, Semafore Pharmaceuticals Inc., 8496 Georgetown Road, Indianapolis, Indiana 46268, NIH Chemical Genomics Center, National Human Genome Research Institute, National Institutes of Health, 9800 Medical Center Drive, Rockville, Maryland 20850, and Department of Chemistry, University of Massachusetts, 100 Morrissey Boulevard, Boston, Massachusetts 02125
| | - Guillermo A. Morales
- Adolor Corporation, 700 Pennsylvania Drive, Exton, Pennsylvania 19341, Semafore Pharmaceuticals Inc., 8496 Georgetown Road, Indianapolis, Indiana 46268, NIH Chemical Genomics Center, National Human Genome Research Institute, National Institutes of Health, 9800 Medical Center Drive, Rockville, Maryland 20850, and Department of Chemistry, University of Massachusetts, 100 Morrissey Boulevard, Boston, Massachusetts 02125
| | - Craig J. Thomas
- Adolor Corporation, 700 Pennsylvania Drive, Exton, Pennsylvania 19341, Semafore Pharmaceuticals Inc., 8496 Georgetown Road, Indianapolis, Indiana 46268, NIH Chemical Genomics Center, National Human Genome Research Institute, National Institutes of Health, 9800 Medical Center Drive, Rockville, Maryland 20850, and Department of Chemistry, University of Massachusetts, 100 Morrissey Boulevard, Boston, Massachusetts 02125
| | - Wei Zhang
- Adolor Corporation, 700 Pennsylvania Drive, Exton, Pennsylvania 19341, Semafore Pharmaceuticals Inc., 8496 Georgetown Road, Indianapolis, Indiana 46268, NIH Chemical Genomics Center, National Human Genome Research Institute, National Institutes of Health, 9800 Medical Center Drive, Rockville, Maryland 20850, and Department of Chemistry, University of Massachusetts, 100 Morrissey Boulevard, Boston, Massachusetts 02125
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9
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Perry KW, Falcone JF, Fell MJ, Ryder JW, Yu H, Love PL, Katner J, Gordon KD, Wade MR, Man T, Nomikos GG, Phebus LA, Cauvin AJ, Johnson KW, Jones CK, Hoffmann BJ, Sandusky GE, Walter MW, Porter WJ, Yang L, Merchant KM, Shannon HE, Svensson KA. Neurochemical and behavioral profiling of the selective GlyT1 inhibitors ALX5407 and LY2365109 indicate a preferential action in caudal vs. cortical brain areas. Neuropharmacology 2008; 55:743-54. [PMID: 18602930 DOI: 10.1016/j.neuropharm.2008.06.016] [Citation(s) in RCA: 61] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2007] [Revised: 06/09/2008] [Accepted: 06/10/2008] [Indexed: 10/21/2022]
Abstract
Selective inhibitors of the glycine transporter 1 (GlyT1) have been implicated in central nervous system disorders related to hypoglutamatergic function such as schizophrenia. The selective GlyT1 inhibitors ALX5407 (NFPS) and LY2365109 {[2-(4-benzo[1,3]dioxol-5-yl-2-tert-butylphenoxy)ethyl]-methylamino}-acetic acid increased cerebrospinal fluid levels of glycine and potentiated NMDA-induced increases in dialysate levels of neurotransmitters in the prefrontal cortex (PFC) and the striatum. However, higher doses produced both stimulatory and inhibitory effects on motor performance and impaired respiration, suggesting significant involvement of cerebellar and brain stem areas. A dual probe microdialysis study showed that ALX5407 transiently elevated extracellular levels of glycine in the PFC with more sustained increases in the cerebellum. In support of these findings, immuno-staining with pan-GlyT1 and GlyT1a antibodies showed a higher abundance of immunoreactivity in the brain stem/cerebellum as compared to the frontal cortical/hippocampal brain areas in four different species studied, including the mouse, rat, monkey and human. In addition, the inhibitory effects of ALX5407 on cerebellar levels of cGMP in the mouse could be reversed by the glycine A receptor antagonist strychnine but not the glycine B receptor antagonist L-701324. We propose that the adverse events seen with higher doses of ALX5407 and LY2365109 are the result of high GlyT1 inhibitory activity in caudal areas of the brain with sustained elevations of extracellular glycine. High levels of glycine in these brain areas may result in activation of strychnine-sensitive glycine A receptors that are inhibitory on both motor activity and critical brain stem functions such as respiration.
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Affiliation(s)
- Kenneth W Perry
- Neuroscience Discovery Research, Eli Lilly and Company, Lilly Corporate Center, Indianapolis, IN 46285, USA
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