The synthesis of 2,3-dihydroquinazoline-4(1H)-one and dihydroisoindolo[2,1-a]quinazoline-5,11-dione derivatives in the presence of imidazolium ionic liquid sulfonic acid functionalized SBA-15: a novel feature of SBA-15
作者:Sepideh Abbasian、Hassan Kabirifard、Mohammad Mahdavi
DOI:10.24820/ark.5550190.p010.448
日期:——
3-dihydroquinazoline-4(1H)-one and dihydroisoindolo[2,1-a]quinazoline-5,11-dione derivatives via three-component reaction between isatoic anhydride, amines and aromatic aldehydes at 50 °C in ethanol and water mixture as solvent. We found the synthetic imidazolium ionic liquid sulfonic acid functionalized SBA-15 as a convenient catalyst for this methodology. The catalyst performs the reaction in mild reaction conditions
设计、合成了新型多相催化剂 SBA-15 (ImIL-Sul-SBA-15) 上的咪唑基离子液体,并通过 FT-IR、扫描电子显微镜 (SEM)、透射电子显微镜 (TEM)、和 Brunauer-Emmett-Teller (BET) 分析。这种新型纳米结构用于通过靛红酸酐、胺之间的三组分反应合成各种 2,3-二氢喹唑啉-4(1H)-one 和二氢异吲哚并[2,1-a]喹唑啉-5,11-二酮衍生物和芳香醛在 50 °C 的乙醇和水混合物中作为溶剂。我们发现合成咪唑鎓离子液体磺酸官能化的 SBA-15 作为该方法的一种方便的催化剂。催化剂在温和的反应条件下进行反应,并且可以通过简单的过滤轻松地从反应混合物中分离出来,