Design and Development of a Macrocyclic Series Targeting Phosphoinositide 3-Kinase δ

A macrocyclization approach has been explored on a series of benzoxazine phosphoinositide 3-kinase delta inhibitors, resulting in compounds with improved potency, permeability, and in vivo clearance while maintaining good solubility. The thermodynamics of binding was explored via surface plasmon res...

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Veröffentlicht in:ACS medicinal chemistry letters Jg. 11; H. 7; S. 1386 - 1391
Hauptverfasser: Spencer, Jonathan A., Baldwin, Ian R., Barton, Nick, Chung, Chun-Wa, Convery, Maire A., Edwards, Christopher D., Jamieson, Craig, Mallett, David N., Rowedder, James E., Rowland, Paul, Thomas, Daniel A., Hardy, Charlotte J.
Format: Journal Article
Sprache:Englisch
Veröffentlicht: WASHINGTON Amer Chemical Soc 09.07.2020
Schlagworte:
Chemistry, Medicinal
Life Sciences & Biomedicine
Pharmacology & Pharmacy
Science & Technology
Thermodynamics
POTENT
Lipid kinase
OPTIMIZATION
PI3K delta
INHIBITORS
BINDING
DISCOVERY
Macrocycle
ISSN:1948-5875, 1948-5875
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Zusammenfassung:A macrocyclization approach has been explored on a series of benzoxazine phosphoinositide 3-kinase delta inhibitors, resulting in compounds with improved potency, permeability, and in vivo clearance while maintaining good solubility. The thermodynamics of binding was explored via surface plasmon resonance, and the binding of lead macrocycle 19 was found to be almost exclusively entropically driven compared with progenitor 18, which demonstrated both enthalpic and entropic contributions. The pharmacokinetics of macrocycle 19 was also explored in vivo, where it showed reduced clearance when compared with the progenitor 18. This work adds to the growing body of evidence that macrocyclization could provide an alternative and complementary approach to the design of small-molecule inhibitors, with the potential to deliver differentiated properties.
Bibliographie:UKRI
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:1948-5875
1948-5875
DOI:10.1021/acsmedchemlett.0c00061