Structure-directed linker optimization of novel HEPTs as non-nucleoside inhibitors of HIV-1 reverse transcriptase
作者:Qing-Qing Hao、Xiao-Mei Chen、Christophe Pannecouque、Erik De Clercq、Shuai Wang、Fen-Er Chen
DOI:10.1016/j.bioorg.2023.106413
日期:2023.4
class of HIV-1 nonnucleoside reverse transcriptase inhibitors (NNRTIs). In our continuously pursuing HEPT optimization efforts, a series of novel HEPTs, featuring –C(OH)CH2R, –CC, or –CHCH2R linker at the benzylic α-methylene unit, were developed as NNRTIs. Among these new HEPTs, the compound C20 with –CHCH3 group at the benzylic α-methylene unit conferred the highest potency toward WT HIV-1 and selectivity
1-[(2-羟基乙氧基)甲基]-6-(苯硫基)胸腺嘧啶 (HEPT) 先前已被描述为一类重要的 HIV-1 非核苷类逆转录酶抑制剂 (NNRTI)。在我们不断追求 HEPT 优化的过程中,开发了一系列新型 HEPT作为 NNRTI,它们在苄基 α-亚甲基单元具有 –C(OH)CH 2 R、–C C 或 –CHCH 2 R 接头。在这些新型 HEPT 中,苄基 α-亚甲基单元带有 –CHCH 3基团的化合物C20对 WT HIV-1 的效力和选择性最高(EC 50 = 0.23 μM,SI = 150.20),优于先导化合物HEPT(EC 50 = 7 μM,SI = 106)。还有,C20被赋予对临床相关突变菌株的高效性(EC 50(L100I) = 1.07 μM;EC 50(K103N) = 4.33 μM; EC 50(Y181C) = 5.57 μM;EC 50(E138K)