Abstract
Bicyclic heteroaromatic motifs with hydrogen bond donor–acceptor hinge binder motifs are frequently used as ATP-mimetic kinase inhibitors. Althought the thieno[2,3-c]pyridine scaffold also meets these criteria its use was limited so far by the availability of synthetic building blocks. Inspired by two X-ray structures of kinase bound thieno[2,3-c]pyridines we prepared a diverse collection of simple thieno[2,3-c]pyridine derivatives that could serve as starting points for future drug discovery programs. In our search for inhibitors of the GRK2 kinase we also identified a hit compound bearing the thieno[2,3-c]pyridine moiety. Following a structure-driven optimization process a collection of potent and highly ligand efficient inhibitors were prepared and characterized, which could form the basis of a future drug discovery program.
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We are grateful to the Analytical Division of the Servier Research Institute of Medicinal Chemistry for providing the analytical characterizations.
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This manuscript is dedicated with gratitude to the memory of the late Prof. Fritz Sauter, an unrelenting advocate of cross-border scientific communities.
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Balo, T., Sapi, A., Kiss, A. et al. Synthesis of thieno[2,3-c]pyridine derived GRK2 inhibitors. Monatsh Chem 154, 1339–1357 (2023). https://doi.org/10.1007/s00706-021-02889-2
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DOI: https://doi.org/10.1007/s00706-021-02889-2