Design and Synthesis of Thiazolo[5,4-f]quinazolines as DYRK1A Inhibitors, Part I
AbstractThe convenient synthesis of a library of novel 6,6,5-tricyclic thiazolo[5,4-f] quinazolines (forty molecules) was achieved mainly under microwave irradiation. Dimroth rearrangement and 4,5-dichloro-1,2,3,-dithiazolium chloride (Appel salt) chemistry were associated for the synthesis of a novel 6-aminobenzo[d]thiazole-2,7-dicarbonitrile (16) a versatile molecular platform for the synthesis of various bioactive derivatives. Kinase inhibition of the final compounds was evaluated on a panel of four Ser/Thr kinases (DYRK1A, CDK5, CK1 and GSK3) chosen for their strong implications in various regulation processes, especially Alzheimer’s disease (AD). In view of the results of this preliminary screening, thiazolo[5,4-f]quinazoline scaffolds constitutes a promising source of inspiration for the synthesis of novel bioactive molecules. Among the compounds of this novel chemolibrary, 7i, 8i and 9i inhibited DYRK1A with IC50 values ranging in the double-digit nanomolar range (40, 47 and 50 nM, respectively). View Full-Text
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Foucourt, A.; Hédou, D.; Dubouilh-Benard, C.; Désiré, L.; Casagrande, A.-S.; Leblond, B.; Loäec, N.; Meijer, L.; Besson, T. Design and Synthesis of Thiazolo[5,4-f]quinazolines as DYRK1A Inhibitors, Part I. Molecules 2014, 19, 15546-15571.
Foucourt A, Hédou D, Dubouilh-Benard C, Désiré L, Casagrande A-S, Leblond B, Loäec N, Meijer L, Besson T. Design and Synthesis of Thiazolo[5,4-f]quinazolines as DYRK1A Inhibitors, Part I. Molecules. 2014; 19(10):15546-15571.Chicago/Turabian Style
Foucourt, Alicia; Hédou, Damien; Dubouilh-Benard, Carole; Désiré, Laurent; Casagrande, Anne-Sophie; Leblond, Bertrand; Loäec, Nadège; Meijer, Laurent; Besson, Thierry. 2014. "Design and Synthesis of Thiazolo[5,4-f]quinazolines as DYRK1A Inhibitors, Part I." Molecules 19, no. 10: 15546-15571.