An efficient and versatile synthetic approach for the preparation of highly substituted xanthine derivatives has been developed by a combination of direct N7-and C8-arylation. With this method, diverse xanthine analogues were prepared and potent kinase inhibitors could be identified. For example, compound 8a inhibits PI3Ks and proliferation in T47D tumor cells. In addition, these xanthine-based kinase inhibitors exhibited significant fluorescence emission in a concentration-dependent response.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.