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Paper | Regular issue | Vol 68, No. 7, 2006, pp.1393-1400
Published online, 12th May, 2006
DOI: 10.3987/COM-06-10748
Synthesis of 4-(Dimethylamino)pyridinium-substituted Pyrazine, Pyridazine, 1,3,5-Triazine, Purine, and Imidazole

Andreas Schmidt* and Thorsten Mordhorst

*Institute of Organic Chemistry, Clausthal University of Technology, Leibnizstrasse 6, D-38678 Clausthal-Zellerfeld, Germany

Abstract

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.