Ecofriendly and Efficient One-Pot Procedure for the Synthesis of Quinazoline Derivatives Catalyzed by an Acidic Ionic Liquid Under Aerobic Oxidation Conditions
作者:Minoo Dabiri、Peyman Salehi、Mahboobeh Bahramnejad
DOI:10.1080/00397910903395250
日期:2010.9.30
three-component condensation reaction between 2-aminobenzophenone derivatives, formaldehyde or aromatic aldehydes, and ammonium acetate efficiently provides substituted quinazolines in a one-pot reaction in the presence of Brönsted acidic ionic liquid, 1-methylimidazolium triflouroacetate ([Hmim]TFA), in conjunction with aerobic oxidation. The ionic liquid was separated from the reaction mixture by simple
在 Brönsted 酸性离子液体、1-甲基咪唑鎓三氟乙酸盐 ([Hmim]TFA) 存在下,2-氨基二苯甲酮衍生物、甲醛或芳香醛和乙酸铵之间的三组分缩合反应在一锅反应中有效地提供取代的喹唑啉,与有氧氧化相结合。通过简单的萃取将离子液体从反应混合物中分离出来,并且在活性没有显着损失的情况下再循环3次。