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J Med Chem. 2013 Dec 27;56(24):9969-81. doi: 10.1021/jm401225q. Epub 2013 Dec 12.

Synthesis and structure-activity relationship of 3-hydroxypyridine-2-thione-based histone deacetylase inhibitors.

Author information

1
School of Chemistry and Biochemistry, ‡Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology , Atlanta, Georgia 30332-0400, United States.

Abstract

We previously identified 3-hydroxypyridine-2-thione (3HPT) as a novel zinc binding group for histone deacetylase (HDAC) inhibition. Early structure-activity relationship (SAR) studies led to various small molecules possessing selective inhibitory activity against HDAC6 or HDAC8 but devoid of HDAC1 inhibition. To delineate further the depth of the SAR of 3HPT-derived HDAC inhibitors (HDACi), we have extended the SAR studies to include the linker region and the surface recognition group to optimize the HDAC inhibition. The current efforts resulted in the identification of two lead compounds, 10d and 14e, with potent HDAC6 and HDAC8 activities that are inactive against HDAC1. These new HDACi possess anticancer activities against various cancer cell lines including Jurkat J.γ1 for which SAHA and the previously disclosed 3HPT-derived HDACi were inactive.

PMID:
24304348
PMCID:
PMC4029159
DOI:
10.1021/jm401225q
[Indexed for MEDLINE]
Free PMC Article

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