Structural Investigation of Cycloheptathiophene-3-carboxamide Derivatives Targeting Influenza Virus Polymerase Assembly

详细信息    查看全文

• 作者：Serena Massari ; Giulio Nannetti ; Laura Goracci ; Luca Sancineto ; Giulia Muratore ; Stefano Sabatini ; Giuseppe Manfroni ; Beatrice Mercorelli ; Violetta Cecchetti ; Marzia Facchini ; Giorgio Palù ; Gabriele Cruciani ; Arianna Loregian ; Oriana Tabarrini
• 刊名：Journal of Medicinal Chemistry
• 出版年：2013
• 出版时间：December 27, 2013
• 年：2013
• 卷：56
• 期：24
• 页码：10118-10131
• 全文大小：552K
• ISSN：1520-4804

文摘

The limited number of drug classes licensed for treatment of influenza virus (Flu), together with the continuous emergence of viral variants and drug resistant mutants, highlights the urgent need to find antivirals with novel mechanisms of action. In this context, the viral RNA-dependent RNA polymerase (RdRP) subunits assembly has emerged as an attractive target. Starting from a cycloheptathiophene-3-carboxamide derivative recently identified by us for its ability to disrupt the interaction between the PA and PB1 subunits of RdRP, we have designed and synthesized a series of analogues. Their biological evaluation led to the identification of more potent protein鈥損rotein interaction inhibitors, endowed with antiviral activity that also encompassed a number of clinical isolates of FluA, including an oseltamivir-resistant strain, and FluB, without showing appreciable toxicity. From this study, the cycloheptathiophene-3-carboxamide scaffold emerged as being particularly suitable to impart anti-Flu activity.