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Publication Abstract from PubMed

4-(1,1-Dioxo-1,4-dihydro-1lambda(6)-benzo[1,4]thiazin-3-yl)-5-hydroxy-2H-p yridazin-3-one analogs were discovered as a novel class of inhibitors of HCV NS5B polymerase. Structure-based design led to the identification of compound 3a that displayed potent inhibitory activities in biochemical and replicon assays (1b IC(50)<10 nM; 1b EC(50)=1.1 nM) as well as good stability toward human liver microsomes (HLM t(1/2)>60 min).

4-(1,1-Dioxo-1,4-dihydro-1lambda6-benzo[1,4]thiazin-3-yl)-5-hydroxy-2H-pyr idazin-3-ones as potent inhibitors of HCV NS5B polymerase.,Ellis DA, Blazel JK, Webber SE, Tran CV, Dragovich PS, Sun Z, Ruebsam F, McGuire HM, Xiang AX, Zhao J, Li LS, Zhou Y, Han Q, Kissinger CR, Showalter RE, Lardy M, Shah AM, Tsan M, Patel R, LeBrun LA, Kamran R, Bartkowski DM, Nolan TG, Norris DA, Sergeeva MV, Kirkovsky L Bioorg Med Chem Lett. 2008 Aug 15;18(16):4628-32. Epub 2008 Jul 10. PMID:18662878^[1]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.