Synthesis of 3-substituted carboxylate/carboxamide flavone derivatives from 4-hydroxycoumarin, β-nitrostyrene and alcohol/amine using multicomponent reaction
作者:Suchandra Bhattacharjee、Abu T. Khan
DOI:10.1016/j.tetlet.2016.03.026
日期:2016.4
A wide range of 3-substituted carboxylate/carboxamide flavone derivatives were synthesized from 4-hydroxycoumarin, β-nitrostyrene and alcohol/amine using multicomponent reaction in the presence of N,N-dimethyl-4-aminopyridine (DMAP). Good yield, short reaction time, atom economy, cost effectiveness, and use of non-toxic organo-catalyst are some of the remarkable advantages of the present protocol.
在N,N-二甲基-4-氨基吡啶(DMAP)存在下,使用多组分反应由4-羟基香豆素,β-硝基苯乙烯和醇/胺合成了多种3-取代的羧酸盐/羧酰胺黄酮衍生物。良好的产率,短的反应时间,原子经济性,成本效益以及使用无毒有机催化剂是本方案的显着优点。