Synthesis of novel glutarimide ligands for the E3 ligase substrate receptor Cereblon (CRBN): Investigation of their binding mode and antiproliferative effects against myeloma cell lines
作者:Mikhail Krasavin、Maria Adamchik、Andrey Bubyrev、Christopher Heim、Samuel Maiwald、Daniil Zhukovsky、Petr Zhmurov、Alexander Bunev、Marcus D. Hartmann
DOI:10.1016/j.ejmech.2022.114990
日期:2023.1
generation of a new series of non-thalidomide Cereblon (CRBN) ligands. Readily available 2-methylidene glutarimide was converted to a series of 2-((hetero)aryl(methyl))thio glutarimides via the thio-Michael addition reaction. The compounds thus synthesized were evaluated for their affinity to the thalidomide-binding domain of human CRBN and their binding modes studied via X-ray crystallography. This helped
为了扩展用于靶向蛋白质降解的化学工具包,我们报告了一系列新的非沙利度胺 Cereblon (CRBN) 配体的产生。通过硫-迈克尔加成反应,将现成的 2-亚甲基戊二酰亚胺转化为一系列 2-((杂)芳基(甲基))硫代戊二酰亚胺。评估了由此合成的化合物对人 CRBN 的沙利度胺结合域的亲和力,并通过以下方法研究了它们的结合模式X射线晶体学。这有助于确定几种有前途的戊二酰亚胺衍生物,与沙利度胺相比,它们与 CRBN 的结合更强,并且含有允许进一步化学结合的官能团。一组选定的 2-((杂)芳基(甲基))硫代戊二酰亚胺中硫原子的氧化产生了相应的砜,这些化合物被发现具有明显更强的抗多发性骨髓瘤细胞系的抗增殖特性和复杂的结构结合模式与额外的氢键相互作用。新发现的 Cereblon 配体构成了合成新型 PROTAC 蛋白质降解剂的基础。