Design and synthesis of novel P2 substituents in diol-based HIV protease inhibitors
作者:Jenny Adrian Meredith、Hans Wallberg、Lotta Vrang、Stefan Oscarson、Kevin Parkes、Anders Hallberg、Bertil Samuelsson
DOI:10.1016/j.ejmech.2009.09.038
日期:2010.1
The synthesis and SAR of HIV-1 protease inhibitors containing novel P2 structural elements are presented. The inhibitors were designed having hydrogen bond accepting P2 substituents to probe potential favorable interactions to Asp-29/Asp-30 of the HIV-1 protease backbone utilizing inhibitor 3 as a model template. Several inhibitors were synthesized from an l-Val methyl amide P2 motif by appending hydrogen
介绍了含有新型P2结构元素的HIV-1蛋白酶抑制剂的合成和SAR。设计抑制剂以具有氢键的P2取代基,以抑制剂3为模型模板来探查与HIV-1蛋白酶骨架的Asp-29 / Asp-30之间潜在的有利相互作用。通过附加来自异丙基侧链或来自甲基酰胺部分的氢键部分,由1- Val甲基酰胺P2基序合成了几种抑制剂。最有希望的抑制剂图4a和4e中显示ķ我分别和EC值为1.0nM和0.7毫微米的50在基于MT4细胞的测定中,其值分别为0.17μM和0.33μM,与铅抑制剂3相比,效力略有下降。还针对带有M46I,V82F和I84V突变的HIV蛋白酶抑制剂抗性菌株测试了这些抑制剂。与HIV野生型相比,抑制剂4a和4e分别显示出3倍和4倍的变化,而铅抑制剂3显示出更高的9倍的变化。这项研究进一步证明了该方法的化学易处理性,其中仅在一个化学步骤中就可以从内酯21引入各种P2取代基,从而可以轻松地改变此类抑制剂的总体性能。