Nano-CoFe2O4 supported molybdenum as an efficient and magnetically recoverable catalyst for a one-pot, four-component synthesis of functionalized pyrroles
A novel magnetic nanoparticle CoFe2O4 supported Mo ([CoFe2O4@SiO2-PrNH2-Mo(acac)2]) was prepared and found to be a highly active and efficient catalyst for a one-potsynthesis of polysubstituted pyrroles viafour-componentreaction of aldehydes, amines, 1,3-dicarbonylcompounds and nitromethane. The easy recovery of the catalyst and reusability, broad substrate scopes, short reaction time, high yields
制备了新型的磁性纳米颗粒CoFe 2 O 4负载的Mo([CoFe 2 O 4 @SiO 2 -PrNH 2 -Mo(acac)2 ]),发现其是用于一锅法合成多取代基的高活性和高效催化剂。通过醛,胺,1,3-二羰基化合物和硝基甲烷的四组分反应生成吡咯。易于回收的催化剂和可重复使用性,广泛的底物范围,较短的反应时间,高收率的产品和无溶剂的条件,使该方案切实可行,对环境友好且在经济上具有吸引力。