II. Novel HCV NS5B polymerase inhibitors: Discovery of indole C2 acyl sulfonamides
作者:Gopinadhan N. Anilkumar、Oleg Selyutin、Stuart B. Rosenblum、Qingbei Zeng、Yueheng Jiang、Tin-Yau Chan、Haiyan Pu、Li Wang、Frank Bennett、Kevin X. Chen、Charles A. Lesburg、Jose Duca、Stephen Gavalas、Yuhua Huang、Patrick Pinto、Mousumi Sannigrahi、Francisco Velazquez、Srikanth Venkatraman、Bancha Vibulbhan、Sony Agrawal、Eric Ferrari、Chuan-kui Jiang、H.-C. Huang、Neng-Yang Shih、F. George Njoroge、Joseph A. Kozlowski
DOI:10.1016/j.bmcl.2011.10.041
日期:2012.1
Development of SAR at the C2 position of indole lead 1, a palm site inhibitor of HCV NS5B polymerase (NS5B IC50 = 0.053 μM, replicon EC50 = 4.8 μM), is described. Initial screening identified an acyl sulfonamide moiety as an isostere for the C2 carboxylic acid group. Further SAR investigation resulted in identification of acyl sufonamide analog 7q (NS5B IC50 = 0.039 μM, replicon EC50 = 0.011 μM) with
描述了在吲哚先导1的 C2 位置发生 SAR,这是一种手掌部位的 HCV NS5B 聚合酶抑制剂(NS5B IC 50 = 0.053 μM,复制子 EC 50 = 4.8 μM)。初步筛选确定了一个酰基磺酰胺部分作为 C2 羧酸基团的等排体。进一步的 SAR 研究发现,酰基磺酰胺类似物7q (NS5B IC 50 = 0.039 μM,复制子 EC 50 = 0.011 μM) 的复制子活性提高了 100 倍以上。