Parallel Synthesis of an Imidazole-4,5-dicarboxamide Library Bearing Amino Acid Esters and Alkanamines
作者:Rosanna Solinas、John DiCesare、Paul Baures
DOI:10.3390/molecules13123149
日期:——
The imidazole-4,5-dicarboxylic acid scaffold is readily derivatized with amino acid esters and alkanamines to afford compounds with intramolecularly hydrogen bonded conformations that mimic substituted purines and therefore are hypothesized to be potential inhibitors of kinases through competitive binding to the ATP site. In this work, a total of 126 dissymmetrically disubstituted imidazole-4,5-dicarboxamides with amino acid ester and alkanamide substituents were prepared by parallel synthesis. The library members were purified by column chromatography on silica gel and the purified compounds characterized by LC-MS with LC detection at 214 nm. A selection of the final compounds was also analyzed by 1H-NMR spectroscopy. The analytically pure final products have been submitted to the Molecular Library Small Molecule Repository (MLSMR) for screening in the Molecular Library Screening Center Network (MLSCN) as part of the NIH Roadmap.
咪唑-4,5-二羧酸骨架易于与氨基酸酯和烷基胺进行衍生化,得到具有分子内氢键的构象类似取代嘌呤的化合物,因此被假设为通过竞争性结合ATP位点成为潜在的激酶抑制剂。在本研究中,通过平行合成法制备了总共126种不对称二取代的咪唑-4,5-二羧酰胺,其取代基为氨基酸酯和烷基酰胺。这些化合物库成员通过硅胶柱层析进行纯化,并采用LC-MS技术在214 nm波长下进行检测,以鉴定纯化后的化合物。部分最终产物还通过1H-NMR光谱进行了分析。这些分析纯的最终产物已提交至分子库小分子数据库(MLSMR),用于在分子库筛选中心网络(MLSCN)中进行筛选,作为NIH路线图计划的一部分。