A. Schmidt
Sep 1, 2002
Citations
0
Influential Citations
12
Citations
Journal
Journal of Heterocyclic Chemistry
Abstract
Depending on electronically or kinetically stabilizing effects determined by the substitution pattern or the reaction conditions, 6-amino substituted (5-chloropyrimidine-2,4-diyl)bis(hetarenium) salts or 5-chloro-2,6-bis-(pyridinio)-pyrimidin-4-aminides are formed on nucleophilic substitution of 4-(dimethylamino)pyridine, 4-(pyrrolidin-1-yl)pyridine, or 1-methylimidazole on 4-amino substituted 2,5,6-trichloropyrimidines.