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Bioorg Med Chem Lett. 2009 Apr 15;19(8):2346-9. doi: 10.1016/j.bmcl.2009.02.029. Epub 2009 Feb 12.

N-Hydroxy-(4-oxime)-cinnamide: a versatile scaffold for the synthesis of novel histone deacetylase [correction of deacetilase] (HDAC) inhibitors.

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R&D Sigma-Tau SpA, Pomezia, Italy.

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  • Bioorg Med Chem Lett. 2009 Jul 1;19(13):3694.


With the aim to discover novel HDAC inhibitors with high potency and good safety profiles, we have designed a small library based on a N-hydroxy-(4-oxime)-cinnamide scaffold. We describe the synthesis of these novel compounds and some preliminary in vitro cytotoxic activity on three tumor cell lines, NB4, H460 and HCT116, as well as their inhibitory activity against class I, II and IV HDAC. Several 4-oxime derivatives demonstrated a promising inhibitory activity on HDAC6 and HDAC8 coupled to a good selectivity profile.

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