SAR analysis of a series of acylthiourea derivatives possessing broad-spectrum antiviral activity
作者:James R. Burgeson、Amy L. Moore、Jordan K. Boutilier、Natasha R. Cerruti、Dima N. Gharaibeh、Candace E. Lovejoy、Sean M. Amberg、Dennis E. Hruby、Shanthakumar R. Tyavanagimatt、Robert D. Allen、Dongcheng Dai
DOI:10.1016/j.bmcl.2012.05.035
日期:2012.7
A series of acylthiourea derivatives were designed, synthesized, and evaluated for broad-spectrum antiviral activity with selected viruses from Poxviridae (vaccinia virus) and two different genera of the family Bunyaviridae (Rift Valley fever and La Crosse viruses). A compound selected from a library screen, compound 1, displayed submicromolar antiviral activity against both vaccinia virus (EC50 = 0.25 mu M) and La Crosse virus (EC50 = 0.27 mu M) in cytopathic effect (CPE) assays. SAR analysis was performed to further improve antiviral potency and to optimize drug-like properties of the initial hits. During our analysis, we identified 26, which was found to be nearly fourfold more potent than 1 against both vaccinia and La Crosse viruses. Selected compounds were further tested to more fully characterize the spectrum of antiviral activity. Many of these possessed single digit micromolar and sub-micromolar antiviral activity against a diverse array of targets, including influenza virus (Orthomyxoviridae), Tacaribe virus (Arenaviridae), and dengue virus (Flaviviridae). (C) 2012 Elsevier Ltd. All rights