Generation of tricyclic imidazo[1,2-a]pyrazines as novel PI3K inhibitors by application of a conformational restriction strategy
[Display omitted] The involvement of the phosphoinositide 3-kinases (PI3Ks) in several diseases, especially in the oncology area, has singled it as one of the most explored therapeutic targets in the last two decades. Many different inhibitor classes have been developed by the industry and academia...
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Veröffentlicht in: | Bioorganic & medicinal chemistry letters 2017-06, Vol.27 (11), p.2536-2543 |
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Format: | Artikel |
Sprache: | eng |
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The involvement of the phosphoinositide 3-kinases (PI3Ks) in several diseases, especially in the oncology area, has singled it as one of the most explored therapeutic targets in the last two decades. Many different inhibitor classes have been developed by the industry and academia with a diverse selectivity profile within the PI3K family. In the present manuscript we report a further exploration of our lead PI3K inhibitor ETP-46321 (Martínez González et al., 2012)1 by the application of a conformational restriction strategy. For that purpose we have successfully synthesized novel tricyclic imidazo[1,2-a]pyrazine derivatives as PI3K inhibitors. This new class of compounds had enable the exploration of the solvent-accessible region within PI3K and resulted in the identification of molecule 8q with the best selectivity PI3Kα/δ isoform profile in vitro, and promising in vivo PK data. |
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ISSN: | 0960-894X 1464-3405 |
DOI: | 10.1016/j.bmcl.2017.03.090 |