Abstract
Integrase (IN) is an essential viral enzyme required for HIV-1 replication, which has been targeted by anti-AIDS therapeutics. Integrase strand transfer inhibitors (INSTIs) represent a new class of antiretroviral agents developed for the treatment of HIV-1 infections. Important structural features that are shared by many INSTIs include a coplanar arrangement of three heteroatoms that chelate two catalytic Mg2+ ions in the IN active site and a linked halophenyl ring that binds in the hydrophobic pocket formed by the complex of IN with viral DNA. We recently reported bicyclic 6,7-dihydroxyoxoisoindolin-1-one-based IN inhibitors. In the current study, we modified these inhibitors in three ways. First, we increased the spacer length between the metalchelating triad and the halophenyl group. Second, we replaced the indoline [5,6] bicycle with a fused dihydroxyisoquinolinones [6,6] ring system. Finally, we prepared bis-6,7-dihydroxyisoindolin-1-one-4-sulfonamides as dimeric HIV-1 IN inhibitors. These new analogues showed low micromolar inhibitory potency in in vitro HIV-1 integrase assays.
Keywords: HIV-1 integrase, Inhibitor, Metal-chelating, Sulfonamide.
Current Topics in Medicinal Chemistry
Title:6,7-Dihydroxyisoindolin-1-one and 7,8-Dihydroxy-3,4-Dihydroisoquinolin- 1(2H)-one Based HIV-1 Integrase Inhibitors
Volume: 16 Issue: 4
Author(s): Xue Zhi Zhao, Mathieu Métifiot, Steven J. Smith, Kasthuraiah Maddali, Christophe Marchand, Stephen H. Hughes, Yves Pommier and Terrence R. Burke, Jr.
Affiliation:
Keywords: HIV-1 integrase, Inhibitor, Metal-chelating, Sulfonamide.
Abstract: Integrase (IN) is an essential viral enzyme required for HIV-1 replication, which has been targeted by anti-AIDS therapeutics. Integrase strand transfer inhibitors (INSTIs) represent a new class of antiretroviral agents developed for the treatment of HIV-1 infections. Important structural features that are shared by many INSTIs include a coplanar arrangement of three heteroatoms that chelate two catalytic Mg2+ ions in the IN active site and a linked halophenyl ring that binds in the hydrophobic pocket formed by the complex of IN with viral DNA. We recently reported bicyclic 6,7-dihydroxyoxoisoindolin-1-one-based IN inhibitors. In the current study, we modified these inhibitors in three ways. First, we increased the spacer length between the metalchelating triad and the halophenyl group. Second, we replaced the indoline [5,6] bicycle with a fused dihydroxyisoquinolinones [6,6] ring system. Finally, we prepared bis-6,7-dihydroxyisoindolin-1-one-4-sulfonamides as dimeric HIV-1 IN inhibitors. These new analogues showed low micromolar inhibitory potency in in vitro HIV-1 integrase assays.
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Cite this article as:
Zhao Zhi Xue, Métifiot Mathieu, Smith J. Steven, Maddali Kasthuraiah, Marchand Christophe, Hughes H. Stephen, Pommier Yves and Burke, Jr. R. Terrence, 6,7-Dihydroxyisoindolin-1-one and 7,8-Dihydroxy-3,4-Dihydroisoquinolin- 1(2H)-one Based HIV-1 Integrase Inhibitors, Current Topics in Medicinal Chemistry 2016; 16 (4) . https://dx.doi.org/10.2174/1568026615666150813150058
DOI https://dx.doi.org/10.2174/1568026615666150813150058 |
Print ISSN 1568-0266 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4294 |
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