Ultrasound Promoted and Ionic Liquid Catalyzed Cyclocondensation Reaction for the Synthesis of 4(3<i>H</i>)-Quinazolinones
作者:Omprakash B. Pawar、Fulchand R. Chavan、Sachin S. Sakate、Narayan D. Shinde
DOI:10.1002/cjoc.201090037
日期:2010.1
4(3H)‐Quinazolinones were synthesized in high yields by one‐pot three‐component condensation of anthranilic acid, carboxylic acid and aniline in the presence of ionic liquid such as 1‐n‐butyl‐3‐methylimidazolium tetrafluoroborate (BMImBF4) as catalyst under solvent free and neutral conditions.
在
离子液体(例如1 - n-丁基-3-甲基
咪唑四
氟硼酸酯(BMImBF 4))存在下,通过
邻氨基苯甲酸,
羧酸和
苯胺的一锅式三组分缩合反应以高收率合成4(3 H)-
喹唑啉酮。在无溶剂和中性条件下用作催化剂。