Silica-sulfuric acid: a highly efficient catalyst for the synthesis of imidazo[1,2-a]pyridines using trimethysilyl cyanide or cyanohydrins
                                
                                    
                                        作者:Anatoliy I. Polyakov、Vera A. Eryomina、Lidiya A. Medvedeva、Nadezhda I. Tihonova、Anna V. Listratova、Leonid G. Voskressensky                                    
                                    
                                        DOI:10.1016/j.tetlet.2009.05.080
                                    
                                    
                                        日期:2009.7
                                    
                                    This Letter describes a novel synthetic approach towards imidazo[1,2-a]pyridines via a three-component condensation using trimethylsilyl cyanide (TMSCN) or cyanohydrins as the source of CN− ions and silica-sulfuric acid as the catalyst.
                                    此描述的信朝
咪唑的新的合成方法[1,2一]
吡啶通过三组分使用三甲基
氰硅烷(TMSCN),或
氰醇作为CN来源缩合-离子和
二氧化硅-
硫酸作为催化剂。