Magnetic mesoporous poly-melamine–formaldehyde: an efficient and recyclable catalyst for straightforward one-pot synthesis of imidazo[1,2-a]pyridines
作者:Mohammad Heydari、Najmedin Azizi、Zohreh Mirjafari、Mohammad Mahmoudi Hashemi
DOI:10.1007/s13738-019-01705-3
日期:2019.11
synthesized and characterized by FTIR spectroscopy, SEM, XRD spectroscopy and EDS. The magnetically separable Fe3O4@mPMF catalyst had excellent efficiency for the synthesis a wide diversity of imidazo[1,2-a]pyridines by a three-component reaction of a 2-aminopyridine, aldehyde and isocyanide in good-to-excellent yields within a short reaction time, through an environmental friendliness and straightforward
摘要磁性可分离的介孔聚三聚氰胺-甲醛纳米复合材料(Fe 3 O 4 @mPMF)已通过FTIR光谱,SEM,XRD光谱和EDS进行了表征。磁性可分离的Fe 3 O 4 @mPMF催化剂具有优异的效率,可通过2-氨基吡啶,醛和异氰酸酯的三组分反应以优异的优良性能合成各种咪唑并[1,2-a]吡啶。通过环境友好和简单的程序,可在较短的反应时间内获得产量。当反应完成数次而催化活性没有明显降低时,可以回收并再利用的纳米复合材料易于回收并且也可以重复使用。 图形摘要