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Discovery of Novel Bicyclic Pyrazoles as Potent PIP5K1C Inhibitors.
Authors
Ochiai K, Seto S, Yajima M, Namie R, Hashimoto N, Fujita M, Yokoyama A, Suezawa T, Matsui H, Tomizawa S, Ishibashi Y, Tanaka Y, Yajima M, Nagasawa M, Ando NAbstract
Phosphatidylinositol-4,5-bisphosphate (PI(4,5)P2) is generated by phosphatidylinositol 4-phosphate 5-kinases (PIP5Ks) from phosphatidylinositol 4-phosphate (PI4P). Structurally diverse and selective inhibitors against PIP5Ks are required to further elucidate the therapeutic potential for PIP5K inhibition, although the effects of PIP5K inhibition on various diseases and their symptoms, such as cancer and chronic pain, have been reported. Our medicinal chemistry efforts led to novel and potent PIP5K1C inhibitors. Compounds and not only showed potent activity but also demonstrated low total clearance in mice and high levels of kinase selectivity. These compounds might serve as tools to further elucidate the complex biology and therapeutic potential of PIP5K inhibition.