A facile synthesis and microtubule-destabilizing properties of 4-(1H-benzo[d]imidazol-2-yl)-furazan-3-amines
作者:Andrei I. Stepanov、Alexander A. Astrat'ev、Aleksei B. Sheremetev、Nataliya K. Lagutina、Nadezhda V. Palysaeva、Aleksei Yu. Tyurin、Nataliya S. Aleksandrova、Nataliya P. Sadchikova、Kyrill Yu. Suponitsky、Olga P. Atamanenko、Leonid D. Konyushkin、Roman V. Semenov、Sergei I. Firgang、Alex S. Kiselyov、Marina N. Semenova、Victor V. Semenov
DOI:10.1016/j.ejmech.2015.02.051
日期:2015.4
4-(1H-benzo[d]imidazol-2-yl)-furazan-3-amines (BIFAs) were prepared in good yields (60–90% for each reaction step) via a novel procedure from aminofurazanyl hydroximoyl chlorides and o-diaminobenzenes. The synthetic sequence was run under mild reaction conditions, it was robust and did not require extensive purification of intermediates or final products. Furthermore, there was no need for protection of reactive moieties
一系列的4-(1H-苯并[d]咪唑-2-基) -呋咱-3-胺(BIFAs)在良好的产率(60-90%用于每个反应步骤)制备通过一种新颖的方法,由aminofurazanyl肟基氯化物和o-二氨基苯。合成序列在温和的反应条件下运行,它很可靠,不需要大量纯化中间体或最终产物。此外,不需要保护反应性部分以允许多种BIFA衍生物的平行合成。随后对所得化合物的生物学评估表明,它们在海胆胚胎模型和培养的人类癌细胞系中具有抗增殖作用。在两种测定系统中,活性最高的化合物均显示出0.2–2μM的活性。苯并咪唑模板的未取代苯环以及呋喃环中的未取代氨基是BIFA的抗有丝分裂活性的必要先决条件。化合物57 在咪唑环的氮原子上带有2-氯苯基乙酰胺取代基的是该组中活性最高的分子。