Histone deacetylase inhibitors through click chemistry.

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Shen J, Woodward R, Kedenburg JP, Liu X, Chen M, Fang L, Sun D, Wang PG

Histone deacetylase inhibitors through click chemistry.

J Med Chem. 2008 Dec 11;51(23):7417-27. doi: 10.1021/jm8005355.

PubMed ID

19007204 [ View in PubMed

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Abstract

Histone deacetylase inhibitors (HDACi) are a relatively new class of chemotherapy agents. Herein, we report a click-chemistry based approach to the synthesis of HDACi. Fourteen agents were synthesized from the combination of two alkyne and seven azido precursors. The inhibition of HDAC1 and HDAC8 was then determined by in vitro enzymatic assays, after which the cytotoxicity was evaluated in the NCI human cancer cell line screen. A lead compound 5 g (NSC746457) was discovered that inhibited HDAC1 at an IC(50) value of 104 +/- 30 nM and proved quite potent in the cancer cell line screen with GI(50) values ranging from 3.92 microM to 10 nM. Thus, this click HDACi design has provided a new chemical scaffold that has not only revealed a lead compound, but one which is easily amendable to further structural modifications given the modular nature of this approach.

DrugBank Data that Cites this Article

Binding Properties

Drug	Target	Property	Measurement	pH	Temperature (°C)
Vorinostat	Histone deacetylase 1	IC 50 (nM)	140	N/A	N/A	Details