Synthesis of 4-(Dimethylamino)pyridinium-substituted Pyrazine, Pyridazine, 1,3,5-Triazine, Purine, and Imidazole
作者:Andreas Schmidt、Thorsten Mordhorst
DOI:10.3987/com-06-10748
日期:——
Substitution reactions of 2,3-dichloropyrazine, 3,6-dichloropyridazine, 2,4,6-trichloro-1,3,5-triazine, 2,6-dichloropurine, and N-tosyl-2,4,5-tribromoimidazole with 4-(dimethylamino)pyridine to monocationic, dicationic, and tricationic hetarenium salts are described.