N,N-Dialkylated 4-(4-arylsulfonylpiperazine-1-carbonyl)-benzamidines and 4-((4-arylsulfonyl)-2-oxo-piperazin-1-ylmethyl)-benzamidines as potent factor Xa inhibitors
作者:Zhaozhong J Jia、Ting Su、Jingmei F Zuckett、Yanhong Wu、Erick A Goldman、Wenhao Li、Penglie Zhang、Lane A Clizbe、Yonghong Song、Shawn M Bauer、Wenrong Huang、John Woolfrey、Uma Sinha、Ann E Arfsten、Athiwat Hutchaleelaha、Stanley J Hollenbach、Joseph L Lambing、Robert M Scarborough、Bing-Yan Zhu
DOI:10.1016/j.bmcl.2004.02.049
日期:2004.5
A class of N,N-dialkylated 4-(4-arylsulfonylpiperazine-1-carbonyl)-benzamidines and 4-((4-arylsulfonyl)-2-oxo-pipeRazin-1-y1methyl)-benzamidiries has been discovered as potent factor Xa inhibitors with desirable in vitro and in vivo anticoagulant activity, but with low oral bioavailability. The 5-chloroindole and 6-chlorobenzo[b]thiophene groups are optimal as the factor Xa S1 binding elements. The strategy of incorporating a side chain on the piperazine nucleus to enhance binding affinity has been examined. (C) 2004 Elsevier Ltd. All rights reserved.