Solvent-free synthesis of β-amino ketones using carboxyl-functionalized poly(ionic liquid) at room temperature
作者:Avinash Ganesh Khiratkar、Kamlesh Rudreshwar Balinge、Karan Jivanlal Bhansali、Pundlik Rambhau Bhagat
DOI:10.1007/s11164-017-3134-x
日期:2018.2
Abstract Carboxyl-functionalized poly(ionic liquid) (CFPIL) was easily synthesized from its starting material and characterized by Fourier transform infrared spectroscopy, thermal gravimetric analysis and elemental analysis. The synthesized CFPIL was used as an efficient heterogeneous catalyst for the synthesis of β-amino ketones by three-component one-pot Mannich reaction between various aromatic
摘要 羧基官能化聚离子液体(CFPIL)易于从其起始原料合成,并通过傅里叶变换红外光谱,热重分析和元素分析进行表征。所合成的CFPIL被用作高效的非均相催化剂,通过在室温下在无溶剂条件下,各种芳族醛与胺和苯乙酮之间的三组分单锅曼尼希反应,合成β-氨基酮。研究了催化剂用量和反应时间的影响。结果表明,CFPIL具有良好至中等的催化活性和可重复使用性。催化过程很简单,可以很容易地通过过滤回收催化剂,并用乙醇洗涤以再用于下一个实验,而不会明显丧失催化活性。 图形概要