Arbuzov-type reaction of acylphosphonites and N-alkoxycarbonylimine cations generated in situ with trifluoroacetic anhydride
作者:Maxim E. Dmitriev、Valery V. Ragulin
DOI:10.1016/j.tetlet.2012.01.094
日期:2012.3
N-protected α-aminoalkylphosphinic acids by the reaction of N,N′-benzylidene- or N,N′-alkylidenebiscarbamates, trifluoroacetic anhydride and the corresponding alkylphosphonous acids in methylene chloride or toluene is described. The results obtained confirm the earlier proposed mechanism for amidoalkylation of hydrophosphorylic compounds involving an Arbuzov-type reaction step.
描述了通过N,N'-亚苄基-或N,N'-亚烷基双氨基甲酸酯,三氟乙酸酐和相应的烷基亚膦酸在二氯甲烷或甲苯中反应合成N-保护的α-氨基烷基次膦酸的温和方法。获得的结果证实了较早提出的涉及Arbuzov型反应步骤的氢磷酸化合物酰胺烷基化的机理。