The unprecedented metal-free synthesis of both N-unsubstituted and N3-substituted quinazoline-2,4(1H,3H)-diones from o-aminobenzamides and CO2 under atmospheric pressure at room temperature is developed. This protocol easily allows for variations of functional groups (including alkyl, aryl, and heterocycle groups) at the N3-position to accommodate the construction of many important drugs and bioactive
开发了在大气压和室温下从邻
氨基苯甲酰胺和 CO 2空前无
金属合成N-未取代和N 3-取代
喹唑啉-2,4(1 H ,3 H ) -二酮的方法。该协议很容易允许N 3 位的官能团(包括烷基、芳基和杂环基团)发生变化,以适应许多重要药物和
生物活性化合物的构建。该反应具有生态友好、底物范围耐受性和多功能性的特点,甚至可以在克级实施。