Pentafluorophenylammonium triflate as a suitable and effective metal-free catalyst for the synthesis of quinazoline derivatives via one-pot multicomponent method
作者:Samad Khaksar、Milad Gholami
DOI:10.1007/s11164-013-1483-7
日期:2015.6
A simple and facile synthesis of highly functionalized quinazoline derivatives has been successfully developed by treatment of aldehydes, ammonium acetate, and 2-aminoaryl ketones or isatoic anhydride under reflux conditions in the presence of a pentafluorophenylammonium triflate (PFPAT) organocatalyst. These catalytic condensation reactions represent green chemical processes, while the PFPAT organocatalyst is air-stable, cost-effective, easy to handle, and easily removed from the reaction mixtures.
一种简单易行的合成高官能团喹唑啉衍生物的方法得到了成功开发,具体是通过在回流条件下,将醛、乙酸铵和2-氨基芳基酮或异苯并酸酐在五氟苯基铵三氟甲磺酸盐(PFPAT)有机催化剂的存在下进行反应。这些催化缩合反应代表了绿色化学过程,而PFPAT有机催化剂具有耐空气、成本效益高、易于操作和容易从反应混合物中去除的优点。