Design, synthesis and anti-tumor activity study of novel histone deacetylase inhibitors containing isatin-based caps and o-phenylenediamine-based zinc binding groups

Bioorganic & Medicinal Chemistry
Shuai GaoYingjie Zhang

Abstract

As a hot topic of epigenetic studies, histone deacetylases (HDACs) are related to lots of diseases, especially cancer. Further researches indicated that different HDAC isoforms played various roles in a wide range of tumor types. Herein a novel series of HDAC inhibitors with isatin-based caps and o-phenylenediamine-based zinc binding groups have been designed and synthesized through scaffold hopping strategy. Among these compounds, the most potent compound 9n exhibited similar if not better HDAC inhibition and antiproliferative activities against multiple tumor cell lines compared with the positive control entinostat (MS-275). Additionally, compared with MS-275 (IC50 values for HDAC1, 2 and 3 were 0.163, 0.396 and 0.605µM, respectively), compound 9n with IC50 values of 0.032, 0.256 and 0.311µM for HDAC1, 2 and 3 respectively, showed a moderate HDAC1 selectivity.

Citations

Jun 2, 2018·Current Medicinal Chemistry·Faria SultanaAhmed Kamal
Jan 28, 2020·Archiv der Pharmazie·Ya-Zhou ZhangZhi Xu
Mar 24, 2021·Bioorganic Chemistry·Piyush GediyaManjunath D Ghate
Apr 29, 2021·Cell Chemical Biology·Anna SkwarskaEster M Hammond

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