Synthesis and structure-activity relationship of histone deacetylase (HDAC) inhibitors with triazole-linked cap group - PubMed (original) (raw)

. 2008 May 1;16(9):4839-53.

doi: 10.1016/j.bmc.2008.03.050. Epub 2008 Mar 23.

Affiliations

• PMID: 18397827
• DOI: 10.1016/j.bmc.2008.03.050

Synthesis and structure-activity relationship of histone deacetylase (HDAC) inhibitors with triazole-linked cap group

Po C Chen et al. Bioorg Med Chem. 2008.

Abstract

Histone deacetylase (HDAC) inhibition is a recent, clinically validated therapeutic strategy for cancer treatment. Small molecule HDAC inhibitors identified so far fall in to three distinct structural motifs: the zinc-binding group (ZBG), a hydrophobic linker, and a recognition cap group. Here we report the suitability of a 1,2,3-triazole ring as a surface recognition cap group-linking moiety in suberoylanilide hydroxamic acid-like (SAHA-like) HDAC inhibitors. Using "click" chemistry (Huisgen cycloaddition reaction), several triazole-linked SAHA-like hydroxamates were synthesized. Structure-activity relationship revealed that the position of the triazole moiety as well as the identity of the cap group markedly affected the in vitro HDAC inhibition and cell growth inhibitory activities of this class of compounds.

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