Design, synthesis, and biological evaluation of 1-phenylpyrazolo[3,4- e ]pyrrolo[3,4- G ]indolizine-4,6(1 H,5 h)-diones as new glycogen synthase kinase-3β inhibitors

Valeria La Pietra, Giuseppe La Regina, Antonio Coluccia, Valeria Famiglini, Sveva Pelliccia, Batya Plotkin, Hagit Eldar-Finkelman, Andrea Brancale, Carlo Ballatore, Alex Crowe, Kurt R. Brunden, Luciana Marinelli, Ettore Novellino, Romano Silvestri

Research output: Contribution to journalArticlepeer-review

Abstract

Compound 5 was selected from our in-house library as a suitable starting point for the rational design of new GSK-3β inhibitors. MC/FEP calculations of 5 led to the identication of a structural class of new GSK-3β inhibitors. Compound 18 inhibited GSK-3β with an IC50 of 0.24 μM and inhibited tau phosphorylation in a cell-based assay. It proved to be a selective inhibitor of GSK-3 against a panel of 17 kinases and showed >10-fold selectivity against CDK2. Calculated physicochemical properties and Volsurf predictions suggested that compound 18 has the potential to diffuse passively across the blood-brain barrier.

Original languageEnglish
Pages (from-to)10066-10078
Number of pages13
JournalJournal of Medicinal Chemistry
Volume56
Issue number24
DOIs
StatePublished - 27 Dec 2013

All Science Journal Classification (ASJC) codes

  • Molecular Medicine
  • Drug Discovery

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