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Rudd MT, Manley PJ, Hanney B, Meng Z, Shu Y, de Leon P, Frie JL, Han Y, Wai JMC, Yang ZQ, Perkins JJ, Hurzy DM, Manikowski JJ, Zhu H, Bungard CJ, Converso A, Meissner RS, Cosden ML, Hayashi I, Ma L, O’Brien J, Uebele VN, Schachter JB, Bhandari N, Ward GJ, Fillgrove KL, Lu B, Liang Y, Dubost DC, Puri V, Eddins DM, Vardigan JD, Drolet RE, Kern JT, Uslaner JM. Discovery of MK-8768, a Potent and Selective mGluR2 Negative Allosteric Modulator. ACS Med Chem Lett 2023; 14:1088-1094. [PMID: 37583812 PMCID: PMC10424309 DOI: 10.1021/acsmedchemlett.3c00210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Accepted: 06/29/2023] [Indexed: 08/17/2023] Open
Abstract
Glutamate plays a key role in cognition and mood, and it has been shown that inhibiting ionotropic glutamate receptors disrupts cognition, while enhancing ionotropic receptor activity is pro-cognitive. One approach to elevating glutamatergic tone has been to antagonize presynaptic metabotropic glutamate receptor 2 (mGluR2). A desire for selectivity over the largely homologous mGluR3 motivated a strategy to achieve selectivity through the identification of mGluR2 negative allosteric modulators (NAMs). Extensive screening and optimization efforts led to the identification of a novel series of 4-arylquinoline-2-carboxamides. This series was optimized for mGluR2 NAM potency, clean off-target activity, and desirable physical properties, which resulted in the identification of improved C4 and C7 substituents. The initial lead compound from this series was Ames-positive in a single strain with metabolic activation, indicating that a reactive metabolite was likely responsible for the genetic toxicity. Metabolic profiling and Ames assessment across multiple analogs identified key structure-activity relationships associated with Ames positivity. Further optimization led to the Ames-negative mGluR2 negative allosteric modulator MK-8768.
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Affiliation(s)
- Michael T. Rudd
- Departments
of Discovery Chemistry, Neuroscience Biology Discovery, Pharmacology, Nonclinical Dug
Safety, Pharmacokinetics, Discovery Pharmaceutical Sciences, and In Vivo Pharmacology, Merck & Co., Inc, West Point, Pennsylvania 19486, United States
| | - Peter J. Manley
- Departments
of Discovery Chemistry, Neuroscience Biology Discovery, Pharmacology, Nonclinical Dug
Safety, Pharmacokinetics, Discovery Pharmaceutical Sciences, and In Vivo Pharmacology, Merck & Co., Inc, West Point, Pennsylvania 19486, United States
| | - Barbara Hanney
- Departments
of Discovery Chemistry, Neuroscience Biology Discovery, Pharmacology, Nonclinical Dug
Safety, Pharmacokinetics, Discovery Pharmaceutical Sciences, and In Vivo Pharmacology, Merck & Co., Inc, West Point, Pennsylvania 19486, United States
| | - Zhaoyang Meng
- Departments
of Discovery Chemistry, Neuroscience Biology Discovery, Pharmacology, Nonclinical Dug
Safety, Pharmacokinetics, Discovery Pharmaceutical Sciences, and In Vivo Pharmacology, Merck & Co., Inc, West Point, Pennsylvania 19486, United States
| | - Youheng Shu
- Departments
of Discovery Chemistry, Neuroscience Biology Discovery, Pharmacology, Nonclinical Dug
Safety, Pharmacokinetics, Discovery Pharmaceutical Sciences, and In Vivo Pharmacology, Merck & Co., Inc, West Point, Pennsylvania 19486, United States
| | - Pablo de Leon
- Departments
of Discovery Chemistry, Neuroscience Biology Discovery, Pharmacology, Nonclinical Dug
Safety, Pharmacokinetics, Discovery Pharmaceutical Sciences, and In Vivo Pharmacology, Merck & Co., Inc, West Point, Pennsylvania 19486, United States
| | - Jessica L. Frie
- Departments
of Discovery Chemistry, Neuroscience Biology Discovery, Pharmacology, Nonclinical Dug
Safety, Pharmacokinetics, Discovery Pharmaceutical Sciences, and In Vivo Pharmacology, Merck & Co., Inc, West Point, Pennsylvania 19486, United States
| | - Yongxin Han
- External
Discovery Chemistry, Merck & Co., Inc, Boston, Massachusetts 02115, United States
| | - Jenny Miu-Chun Wai
- Departments
of Discovery Chemistry, Neuroscience Biology Discovery, Pharmacology, Nonclinical Dug
Safety, Pharmacokinetics, Discovery Pharmaceutical Sciences, and In Vivo Pharmacology, Merck & Co., Inc, West Point, Pennsylvania 19486, United States
| | - Zhi-Qiang Yang
- Departments
of Discovery Chemistry, Neuroscience Biology Discovery, Pharmacology, Nonclinical Dug
Safety, Pharmacokinetics, Discovery Pharmaceutical Sciences, and In Vivo Pharmacology, Merck & Co., Inc, West Point, Pennsylvania 19486, United States
| | - James J. Perkins
- Departments
of Discovery Chemistry, Neuroscience Biology Discovery, Pharmacology, Nonclinical Dug
Safety, Pharmacokinetics, Discovery Pharmaceutical Sciences, and In Vivo Pharmacology, Merck & Co., Inc, West Point, Pennsylvania 19486, United States
| | - Danielle M. Hurzy
- Departments
of Discovery Chemistry, Neuroscience Biology Discovery, Pharmacology, Nonclinical Dug
Safety, Pharmacokinetics, Discovery Pharmaceutical Sciences, and In Vivo Pharmacology, Merck & Co., Inc, West Point, Pennsylvania 19486, United States
| | - Jesse J. Manikowski
- Departments
of Discovery Chemistry, Neuroscience Biology Discovery, Pharmacology, Nonclinical Dug
Safety, Pharmacokinetics, Discovery Pharmaceutical Sciences, and In Vivo Pharmacology, Merck & Co., Inc, West Point, Pennsylvania 19486, United States
| | - Hong Zhu
- Departments
of Discovery Chemistry, Neuroscience Biology Discovery, Pharmacology, Nonclinical Dug
Safety, Pharmacokinetics, Discovery Pharmaceutical Sciences, and In Vivo Pharmacology, Merck & Co., Inc, West Point, Pennsylvania 19486, United States
| | - Christopher J. Bungard
- Departments
of Discovery Chemistry, Neuroscience Biology Discovery, Pharmacology, Nonclinical Dug
Safety, Pharmacokinetics, Discovery Pharmaceutical Sciences, and In Vivo Pharmacology, Merck & Co., Inc, West Point, Pennsylvania 19486, United States
| | - Antonella Converso
- Departments
of Discovery Chemistry, Neuroscience Biology Discovery, Pharmacology, Nonclinical Dug
Safety, Pharmacokinetics, Discovery Pharmaceutical Sciences, and In Vivo Pharmacology, Merck & Co., Inc, West Point, Pennsylvania 19486, United States
| | - Robert S. Meissner
- Departments
of Discovery Chemistry, Neuroscience Biology Discovery, Pharmacology, Nonclinical Dug
Safety, Pharmacokinetics, Discovery Pharmaceutical Sciences, and In Vivo Pharmacology, Merck & Co., Inc, West Point, Pennsylvania 19486, United States
| | - Mali L. Cosden
- Departments
of Discovery Chemistry, Neuroscience Biology Discovery, Pharmacology, Nonclinical Dug
Safety, Pharmacokinetics, Discovery Pharmaceutical Sciences, and In Vivo Pharmacology, Merck & Co., Inc, West Point, Pennsylvania 19486, United States
| | - Ikuo Hayashi
- Departments
of Discovery Chemistry, Neuroscience Biology Discovery, Pharmacology, Nonclinical Dug
Safety, Pharmacokinetics, Discovery Pharmaceutical Sciences, and In Vivo Pharmacology, Merck & Co., Inc, West Point, Pennsylvania 19486, United States
| | - Lei Ma
- Departments
of Discovery Chemistry, Neuroscience Biology Discovery, Pharmacology, Nonclinical Dug
Safety, Pharmacokinetics, Discovery Pharmaceutical Sciences, and In Vivo Pharmacology, Merck & Co., Inc, West Point, Pennsylvania 19486, United States
| | - Julie O’Brien
- Departments
of Discovery Chemistry, Neuroscience Biology Discovery, Pharmacology, Nonclinical Dug
Safety, Pharmacokinetics, Discovery Pharmaceutical Sciences, and In Vivo Pharmacology, Merck & Co., Inc, West Point, Pennsylvania 19486, United States
| | - Victor N. Uebele
- Departments
of Discovery Chemistry, Neuroscience Biology Discovery, Pharmacology, Nonclinical Dug
Safety, Pharmacokinetics, Discovery Pharmaceutical Sciences, and In Vivo Pharmacology, Merck & Co., Inc, West Point, Pennsylvania 19486, United States
| | - Joel B. Schachter
- Departments
of Discovery Chemistry, Neuroscience Biology Discovery, Pharmacology, Nonclinical Dug
Safety, Pharmacokinetics, Discovery Pharmaceutical Sciences, and In Vivo Pharmacology, Merck & Co., Inc, West Point, Pennsylvania 19486, United States
| | - Neetesh Bhandari
- Departments
of Discovery Chemistry, Neuroscience Biology Discovery, Pharmacology, Nonclinical Dug
Safety, Pharmacokinetics, Discovery Pharmaceutical Sciences, and In Vivo Pharmacology, Merck & Co., Inc, West Point, Pennsylvania 19486, United States
| | - Gwendolyn J. Ward
- Departments
of Discovery Chemistry, Neuroscience Biology Discovery, Pharmacology, Nonclinical Dug
Safety, Pharmacokinetics, Discovery Pharmaceutical Sciences, and In Vivo Pharmacology, Merck & Co., Inc, West Point, Pennsylvania 19486, United States
| | - Kerry L. Fillgrove
- Departments
of Discovery Chemistry, Neuroscience Biology Discovery, Pharmacology, Nonclinical Dug
Safety, Pharmacokinetics, Discovery Pharmaceutical Sciences, and In Vivo Pharmacology, Merck & Co., Inc, West Point, Pennsylvania 19486, United States
| | - Bing Lu
- Departments
of Discovery Chemistry, Neuroscience Biology Discovery, Pharmacology, Nonclinical Dug
Safety, Pharmacokinetics, Discovery Pharmaceutical Sciences, and In Vivo Pharmacology, Merck & Co., Inc, West Point, Pennsylvania 19486, United States
| | - Yuexia Liang
- Departments
of Discovery Chemistry, Neuroscience Biology Discovery, Pharmacology, Nonclinical Dug
Safety, Pharmacokinetics, Discovery Pharmaceutical Sciences, and In Vivo Pharmacology, Merck & Co., Inc, West Point, Pennsylvania 19486, United States
| | - David C. Dubost
- Departments
of Discovery Chemistry, Neuroscience Biology Discovery, Pharmacology, Nonclinical Dug
Safety, Pharmacokinetics, Discovery Pharmaceutical Sciences, and In Vivo Pharmacology, Merck & Co., Inc, West Point, Pennsylvania 19486, United States
| | - Vanita Puri
- Departments
of Discovery Chemistry, Neuroscience Biology Discovery, Pharmacology, Nonclinical Dug
Safety, Pharmacokinetics, Discovery Pharmaceutical Sciences, and In Vivo Pharmacology, Merck & Co., Inc, West Point, Pennsylvania 19486, United States
| | - Donnie M. Eddins
- Departments
of Discovery Chemistry, Neuroscience Biology Discovery, Pharmacology, Nonclinical Dug
Safety, Pharmacokinetics, Discovery Pharmaceutical Sciences, and In Vivo Pharmacology, Merck & Co., Inc, West Point, Pennsylvania 19486, United States
| | - Joshua D. Vardigan
- Departments
of Discovery Chemistry, Neuroscience Biology Discovery, Pharmacology, Nonclinical Dug
Safety, Pharmacokinetics, Discovery Pharmaceutical Sciences, and In Vivo Pharmacology, Merck & Co., Inc, West Point, Pennsylvania 19486, United States
| | - Robert E. Drolet
- Departments
of Discovery Chemistry, Neuroscience Biology Discovery, Pharmacology, Nonclinical Dug
Safety, Pharmacokinetics, Discovery Pharmaceutical Sciences, and In Vivo Pharmacology, Merck & Co., Inc, West Point, Pennsylvania 19486, United States
| | - Jonathan T. Kern
- Departments
of Discovery Chemistry, Neuroscience Biology Discovery, Pharmacology, Nonclinical Dug
Safety, Pharmacokinetics, Discovery Pharmaceutical Sciences, and In Vivo Pharmacology, Merck & Co., Inc, West Point, Pennsylvania 19486, United States
| | - Jason M. Uslaner
- Departments
of Discovery Chemistry, Neuroscience Biology Discovery, Pharmacology, Nonclinical Dug
Safety, Pharmacokinetics, Discovery Pharmaceutical Sciences, and In Vivo Pharmacology, Merck & Co., Inc, West Point, Pennsylvania 19486, United States
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Bungard CJ, Williams PD, Ballard JE, Bennett DJ, Beaulieu C, Bahnck-Teets C, Carroll SS, Chang RK, Dubost DC, Fay JF, Diamond TL, Greshock TJ, Hao L, Holloway MK, Felock PJ, Gesell JJ, Su HP, Manikowski JJ, McKay DJ, Miller M, Min X, Molinaro C, Moradei OM, Nantermet PG, Nadeau C, Sanchez RI, Satyanarayana T, Shipe WD, Singh SK, Truong VL, Vijayasaradhi S, Wiscount CM, Vacca JP, Crane SN, McCauley JA. Discovery of MK-8718, an HIV Protease Inhibitor Containing a Novel Morpholine Aspartate Binding Group. ACS Med Chem Lett 2016; 7:702-7. [PMID: 27437081 DOI: 10.1021/acsmedchemlett.6b00135] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2016] [Accepted: 05/09/2016] [Indexed: 12/18/2022] Open
Abstract
A novel HIV protease inhibitor was designed using a morpholine core as the aspartate binding group. Analysis of the crystal structure of the initial lead bound to HIV protease enabled optimization of enzyme potency and antiviral activity. This afforded a series of potent orally bioavailable inhibitors of which MK-8718 was identified as a compound with a favorable overall profile.
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Affiliation(s)
- Christopher J. Bungard
- Merck Research Laboratories, 770 Sumneytown Pike, PO Box 4, West Point, Pennsylvania 19486, United States
| | - Peter D. Williams
- Merck Research Laboratories, 770 Sumneytown Pike, PO Box 4, West Point, Pennsylvania 19486, United States
| | - Jeanine E. Ballard
- Merck Research Laboratories, 770 Sumneytown Pike, PO Box 4, West Point, Pennsylvania 19486, United States
| | - David J. Bennett
- Merck Research Laboratories, 770 Sumneytown Pike, PO Box 4, West Point, Pennsylvania 19486, United States
| | - Christian Beaulieu
- Merck Frosst Centre for Therapeutic Research, 16711 TransCanada Highway, Kirkland, Quebec H9H 3L1, Canada
| | - Carolyn Bahnck-Teets
- Merck Research Laboratories, 770 Sumneytown Pike, PO Box 4, West Point, Pennsylvania 19486, United States
| | - Steve S. Carroll
- Merck Research Laboratories, 770 Sumneytown Pike, PO Box 4, West Point, Pennsylvania 19486, United States
| | - Ronald K. Chang
- Merck Research Laboratories, 770 Sumneytown Pike, PO Box 4, West Point, Pennsylvania 19486, United States
| | - David C. Dubost
- Merck Research Laboratories, 770 Sumneytown Pike, PO Box 4, West Point, Pennsylvania 19486, United States
| | - John F. Fay
- Merck Research Laboratories, 770 Sumneytown Pike, PO Box 4, West Point, Pennsylvania 19486, United States
| | - Tracy L. Diamond
- Merck Research Laboratories, 770 Sumneytown Pike, PO Box 4, West Point, Pennsylvania 19486, United States
| | - Thomas J. Greshock
- Merck Research Laboratories, 770 Sumneytown Pike, PO Box 4, West Point, Pennsylvania 19486, United States
| | - Li Hao
- Albany Molecular Research Singapore Research Center, 61 Science Park Road #05-01, The Galen Singapore
Science Park II, Singapore 117525
| | - M. Katharine Holloway
- Merck Research Laboratories, 770 Sumneytown Pike, PO Box 4, West Point, Pennsylvania 19486, United States
| | | | - Jennifer J. Gesell
- Merck Research Laboratories, 770 Sumneytown Pike, PO Box 4, West Point, Pennsylvania 19486, United States
| | - Hua-Poo Su
- Merck Research Laboratories, 770 Sumneytown Pike, PO Box 4, West Point, Pennsylvania 19486, United States
| | - Jesse J. Manikowski
- Merck Research Laboratories, 770 Sumneytown Pike, PO Box 4, West Point, Pennsylvania 19486, United States
| | - Daniel J. McKay
- Merck Frosst Centre for Therapeutic Research, 16711 TransCanada Highway, Kirkland, Quebec H9H 3L1, Canada
| | - Mike Miller
- Merck Research Laboratories, 770 Sumneytown Pike, PO Box 4, West Point, Pennsylvania 19486, United States
| | - Xu Min
- Merck Research Laboratories, 770 Sumneytown Pike, PO Box 4, West Point, Pennsylvania 19486, United States
| | - Carmela Molinaro
- Merck Research Laboratories, 770 Sumneytown Pike, PO Box 4, West Point, Pennsylvania 19486, United States
| | - Oscar M. Moradei
- Merck Frosst Centre for Therapeutic Research, 16711 TransCanada Highway, Kirkland, Quebec H9H 3L1, Canada
| | - Philippe G. Nantermet
- Merck Research Laboratories, 770 Sumneytown Pike, PO Box 4, West Point, Pennsylvania 19486, United States
| | - Christian Nadeau
- Merck Frosst Centre for Therapeutic Research, 16711 TransCanada Highway, Kirkland, Quebec H9H 3L1, Canada
| | - Rosa I. Sanchez
- Merck Research Laboratories, 770 Sumneytown Pike, PO Box 4, West Point, Pennsylvania 19486, United States
| | - Tummanapalli Satyanarayana
- Albany Molecular Research Singapore Research Center, 61 Science Park Road #05-01, The Galen Singapore
Science Park II, Singapore 117525
| | - William D. Shipe
- Merck Research Laboratories, 770 Sumneytown Pike, PO Box 4, West Point, Pennsylvania 19486, United States
| | - Sanjay K. Singh
- Albany Molecular Research Singapore Research Center, 61 Science Park Road #05-01, The Galen Singapore
Science Park II, Singapore 117525
| | - Vouy Linh Truong
- Merck Frosst Centre for Therapeutic Research, 16711 TransCanada Highway, Kirkland, Quebec H9H 3L1, Canada
| | - Sivalenka Vijayasaradhi
- Albany Molecular Research Singapore Research Center, 61 Science Park Road #05-01, The Galen Singapore
Science Park II, Singapore 117525
| | - Catherine M. Wiscount
- Merck Research Laboratories, 770 Sumneytown Pike, PO Box 4, West Point, Pennsylvania 19486, United States
| | - Joseph P. Vacca
- Merck Frosst Centre for Therapeutic Research, 16711 TransCanada Highway, Kirkland, Quebec H9H 3L1, Canada
| | - Sheldon N. Crane
- Merck Frosst Centre for Therapeutic Research, 16711 TransCanada Highway, Kirkland, Quebec H9H 3L1, Canada
| | - John A. McCauley
- Merck Research Laboratories, 770 Sumneytown Pike, PO Box 4, West Point, Pennsylvania 19486, United States
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