Synthesis and Antiviral Activity of 7-Benzyl-4-hydroxy-1,5-naphthyridin-2(1H)-one HIV Integrase Inhibitors

被引:37
作者
Boros, Eric E. [1 ]
Edwards, Cynthia E. [1 ]
Foster, Scott A. [1 ]
Fuji, Masahiro [2 ]
Fujiwara, Tamio [2 ]
Garvey, Edward P. [1 ]
Golden, Pamela L. [1 ]
Hazen, Richard J. [1 ]
Jeffrey, Jerry L. [1 ]
Johns, Brian A. [1 ]
Kawsuji, Takashi [2 ]
Kiyama, Ryuichi [2 ]
Koble, Cecilia S. [1 ]
Kurose, Noriyuki [2 ]
Miller, Wayne H. [1 ]
Mote, Angela L. [1 ]
Murai, Hitoshi [2 ]
Sato, Akihiko [2 ]
Thompson, James B. [1 ]
Woodward, Mark C. [1 ]
Yoshinaga, Tomokazu [2 ]
机构
[1] GlaxoSmithKline Res & Dev Ltd, Res Triangle Pk, NC 27709 USA
[2] Shionogi & Co Ltd, Shionogi Res Labs, Fukushima Ku, Osaka 5330002, Japan
关键词
INFECTION; MODEL;
D O I
10.1021/jm801404b
中图分类号
R914 [药物化学];
学科分类号
100701 ;
摘要
The medicinal chemistry and structure-activity relationships for a novel series of 7-benzyl-4-hydroxy-1,5-naphthyridin-2(1H)-one HIV-integrase inhibitors are disclosed. Substituent effects were evaluated at the N-1, C-3, and 7-benzyl positions of the naphthyridinone ring system. Low nanomolar IC50 values were achieved in an HIV-integrase strand transfer assay with both carboxylic ester and carboxamide groups at C-3. More importantly, several carboxamide congeners showed potent antiviral activity in cellular assays. A 7-benzyl substituent was found to be critical for potent enzyme inhibition, and an N-(2-methoxyethyl)-carboxamide moiety at C-3 significantly reduced plasma protein binding effects in vitro. Pharmacokinetic data in rats for one carboxamide analogue demonstrated oral bioavailability and reasonable in vivo clearance.
引用
收藏
页码:2754 / 2761
页数:8
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