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Rational Design and Optimization of a Novel Class of Macrocyclic Apoptosis Signal-Regulating Kinase 1 Inhibitors

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Title: Rational Design and Optimization of a Novel Class of Macrocyclic Apoptosis Signal-Regulating Kinase 1 Inhibitors
Authors: Himmelbauer, Martin K., Xin, Zhili, Jones, J. Howard, Enyedy, Istvan, King, Kristopher, Marcotte, Douglas J., Murugan, Paramasivam, Santoro, Joseph C., Hesson, Thomas, Spilker, Kerri, Johnson, Joshua L., Luzzio, Michael J., Gilfillan, Rab, de Turiso, Felix Gonzalez-Lopez
Source: Journal of Medicinal Chemistry; December 2019, Vol. 62 Issue: 23 p10740-10756, 17p
Abstract: Structural analysis of a known apoptosis signal-regulating kinase 1 (ASK1) inhibitor bound to its kinase domain led to the design and synthesis of the novel macrocyclic inhibitor 8(cell IC50= 1.2 μM). The profile of this compound was optimized for CNS penetration following two independent strategies: a rational design approach leading to 19and a parallel synthesis approach leading to 26. Both analogs are potent ASK1 inhibitors in biochemical and cellular assays (19, cell IC50= 95 nM; 26, cell IC50= 123 nM) and have moderate to low efflux ratio (ER) in an MDR1-MDCK assay (19, ER = 5.2; 26, ER = 1.5). In vivo PK studies revealed that inhibitor 19had moderate CNS penetration (Kpuu= 0.17) and analog 26had high CNS penetration (Kpuu= 1.0).
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  – Url: https://resolver.ebsco.com/c/xy5jbn/result?sid=EBSCO:edo&genre=article&issn=00222623&ISBN=&volume=62&issue=23&date=20191212&spage=10740&pages=10740-10756&title=Journal of Medicinal Chemistry&atitle=Rational%20Design%20and%20Optimization%20of%20a%20Novel%20Class%20of%20Macrocyclic%20Apoptosis%20Signal-Regulating%20Kinase%201%20Inhibitors&aulast=Himmelbauer%2C%20Martin%20K.&id=DOI:10.1021/acs.jmedchem.9b01206
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  Data: Rational Design and Optimization of a Novel Class of Macrocyclic Apoptosis Signal-Regulating Kinase 1 Inhibitors
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  Data: <searchLink fieldCode="AR" term="%22Himmelbauer%2C+Martin+K%2E%22">Himmelbauer, Martin K.</searchLink><br /><searchLink fieldCode="AR" term="%22Xin%2C+Zhili%22">Xin, Zhili</searchLink><br /><searchLink fieldCode="AR" term="%22Jones%2C+J%2E+Howard%22">Jones, J. Howard</searchLink><br /><searchLink fieldCode="AR" term="%22Enyedy%2C+Istvan%22">Enyedy, Istvan</searchLink><br /><searchLink fieldCode="AR" term="%22King%2C+Kristopher%22">King, Kristopher</searchLink><br /><searchLink fieldCode="AR" term="%22Marcotte%2C+Douglas+J%2E%22">Marcotte, Douglas J.</searchLink><br /><searchLink fieldCode="AR" term="%22Murugan%2C+Paramasivam%22">Murugan, Paramasivam</searchLink><br /><searchLink fieldCode="AR" term="%22Santoro%2C+Joseph+C%2E%22">Santoro, Joseph C.</searchLink><br /><searchLink fieldCode="AR" term="%22Hesson%2C+Thomas%22">Hesson, Thomas</searchLink><br /><searchLink fieldCode="AR" term="%22Spilker%2C+Kerri%22">Spilker, Kerri</searchLink><br /><searchLink fieldCode="AR" term="%22Johnson%2C+Joshua+L%2E%22">Johnson, Joshua L.</searchLink><br /><searchLink fieldCode="AR" term="%22Luzzio%2C+Michael+J%2E%22">Luzzio, Michael J.</searchLink><br /><searchLink fieldCode="AR" term="%22Gilfillan%2C+Rab%22">Gilfillan, Rab</searchLink><br /><searchLink fieldCode="AR" term="%22de+Turiso%2C+Felix+Gonzalez-Lopez%22">de Turiso, Felix Gonzalez-Lopez</searchLink>
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  Data: Journal of Medicinal Chemistry; December 2019, Vol. 62 Issue: 23 p10740-10756, 17p
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Structural analysis of a known apoptosis signal-regulating kinase 1 (ASK1) inhibitor bound to its kinase domain led to the design and synthesis of the novel macrocyclic inhibitor 8(cell IC50= 1.2 μM). The profile of this compound was optimized for CNS penetration following two independent strategies: a rational design approach leading to 19and a parallel synthesis approach leading to 26. Both analogs are potent ASK1 inhibitors in biochemical and cellular assays (19, cell IC50= 95 nM; 26, cell IC50= 123 nM) and have moderate to low efflux ratio (ER) in an MDR1-MDCK assay (19, ER = 5.2; 26, ER = 1.5). In vivo PK studies revealed that inhibitor 19had moderate CNS penetration (Kpuu= 0.17) and analog 26had high CNS penetration (Kpuu= 1.0).
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        Value: 10.1021/acs.jmedchem.9b01206
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      – Code: eng
        Text: English
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        PageCount: 17
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              Text: December 2019
              Type: published
              Y: 2019
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            – TitleFull: Journal of Medicinal Chemistry
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