Nonclassical Phenyl Bioisosteres as Effective Replacements in a Series of Novel Open-Source Antimalarials
作者:Edwin G. Tse、Sevan D. Houston、Craig M. Williams、G. Paul Savage、Louis M. Rendina、Irene Hallyburton、Mark Anderson、Raman Sharma、Gregory S. Walker、R. Scott Obach、Matthew H. Todd
DOI:10.1021/acs.jmedchem.0c00746
日期:2020.10.22
The replacement of one chemical motif with another that is broadly similar is a common method in medicinal chemistry to modulate the physical and biological properties of a molecule (i.e., bioisosterism). In recent years, bioisosteres such as cubane and bicyclo[1.1.1]pentane (BCP) have been used as highly effective phenyl mimics. Herein, we show the successful incorporation of a range of phenyl bioisosteres
一种化学基序被另一种广泛相似的基序替代是药物化学中调节分子的物理和生物学特性(即生物等排体)的常用方法。近年来,诸如古巴烯和双环[1.1.1]戊烷(BCP)等生物等排体已被用作高效的苯基模拟物。在本文中,我们显示了在抗疟疾系列的开源优化过程中成功结合了一系列苯基生物甾体。立方烷(19)和闭合碳-carborane(23)的类似物具有改进的体外针对效力恶性疟原虫与母体苯基化合物相比;然而,这些变化导致代谢稳定性降低;不寻常的是,发现酶介导的氧化作用发生在古巴核心。发现BCP类似物(22)与它的母体苯基化合物等价,并显示出明显改善的代谢特性。虽然这些结果证明了这些非典型生物等排体在药物化学程序中的用途,但寻找合适的生物等排体的搜索可能很可能需要制备许多候选化合物,在我们的情况下为32种化合物。