期刊
JOURNAL OF MEDICINAL CHEMISTRY
卷 44, 期 13, 页码 2069-2072出版社
AMER CHEMICAL SOC
DOI: 10.1021/jm015515v
关键词
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Novel 3-(4-aroyl-2-pyrrolyl)-N-hydroxy-2-propen-amides are disclosed as a new class of histone deacetylase (HDAC) inhibitors. Three-dimensional structure-based drug design and conformational analyses into the histone deacetylase-like protein (HDLP) catalytic core suggested the synthesis and biological evaluation of compounds 7a-h. Experimental pK(i) values are in good agreement with VALIDATE predicted pK(i) values of new derivatives. All compounds 7a-h show HDAC inhibitory activity in the micromolar range, with 7e as the most potent derivative (IC(50) = 1.9 muM). The influence of the 4'-substituent in the aroyl moiety is not significant for the inhibitory activity, as all compounds 7a-g show IC(50) values between 1.9 and 3.9 muM. Otherwise, the unsaturated chain linking the pyrrole ring to the hydroxamic acid group is clearly important for the anti-HDAC activity, the saturated analogue 7h being 10-fold less active than the unsaturated counterpart 7a.
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