Fused heterocycles bearing bridgehead nitrogen as potent HIV-1 NNRTIs. Part 2: Discovery of novel [1,2,4]Triazolo[1,5-a]pyrimidines using a structure-guided core-refining approach
作者:Liu Wang、Ye Tian、Wenmin Chen、Hong Liu、Peng Zhan、Dongyue Li、Huiqing Liu、Erik De Clercq、Christophe Pannecouque、Xinyong Liu
DOI:10.1016/j.ejmech.2014.07.104
日期:2014.10
Guided by crystal structures of HIV-1 RT/DAPY complex and molecular modeling studies, a series of novel [1,2,4]triazolo[1,5-a]pyrimidine derivatives were rationally designed via structure-based core refining approach, synthesized through the readily accessible synthetic methods and evaluated for their anti-HIV activities in MT-4 cells. Preliminary biological evaluation indicated that most of the compounds
在HIV-1 RT / DAPY复合物的晶体结构和分子建模研究的指导下,通过基于结构的核心精制方法合理设计了一系列新颖的[1,2,4]三唑并[1,5-a]嘧啶衍生物,合成了通过容易获得的合成方法,并评估了它们在MT-4细胞中的抗HIV活性。初步生物学评估表明,大多数化合物对野生型HIV-1 III B表现出明显的抑制活性。特别是,化合物7n是针对HIV-1的野生型和K103N / Y181C双抗突变株的最有效抑制剂,其EC 50值分别为0.02μM和7.6μM,远优于或类似于奈韦拉平(NVP) ,EC50 = 0.15μM,2.9μM)和地拉夫定(DLV,EC 50 = 0.07μM,> 36μM)。此外,其他一些化合物5b,7c,7e,7f和7m也具有良好的抗HIV-1效能(分别为EC 50 = 0.07、0.05、0.05、0.07和0.05μM),效果更好与NVP和DLV的相似