Unexpected formation of N,N-disubstituted formamidines from aromatic amines, formamides and trifluoroacetic anhydride
作者:Abdelaziz Mekhalfia、Roger Mutter、William Heal、Beining Chen
DOI:10.1016/j.tet.2006.03.099
日期:2006.6
selectivity towards the formation of the formamidine was observed upon the reaction of an amine with sodium hydride and trifluoroacetic anhydride in dimethyl formamide. Various aromatic amines were reacted with a series of N,N-disubstituted formamides as a solvent under the influence of trifluoroacetic anhydride to thoroughly probe this behaviour. A trend in selectivity is discussed and a proposed mechanism
在胺与氢化钠和三氟乙酸酐在二甲基甲酰胺中反应时,观察到了对甲am形成的令人感兴趣的选择性。在三氟乙酸酐的影响下,各种芳族胺与一系列N,N-二取代甲酰胺作为溶剂反应,以彻底探究这一行为。讨论了选择性的趋势,并提出了一种建议的反应机理。