Modification of cap group in δ-lactam-based histone deacetylase (HDAC) inhibitors
作者:Hwan Mook Kim、Sung Hee Hong、Myung Sook Kim、Chang Woo Lee、Jong Soon Kang、Kiho Lee、Song-Kyu Park、Jeung Whan Han、Hee Yoon Lee、Yongseok Choi、Ho Jeung Kwon、Gyoonhee Han
DOI:10.1016/j.bmcl.2007.09.034
日期:2007.11
Novel delta-lactam-based HDAC inhibitors which have various substituted benzyl, bi-aromatic cap groups were prepared using ring closure metathesis reaction, and evaluated their HDAC inhibitory activities and anti-proliferative effects. Among prepared analogues, 11m and 11o have very strong HDAC enzymatic inhibition and showed the most potent growth inhibitory activity to five human tumor cell lines including PC-3, ACHN, NUGC-3, HCT-15, and MBA-MB-231 tumor cell lines. Compounds 11m and 11o also showed good tumor growth inhibition of MDA-MB-231 cells in in vivo xenograft model. Structure-activity relationship study using docking model explained the significance of hydrophobic aromatic cap groups for their in vitro activities. (C) 2007 Elsevier Ltd. All rights reserved.