Synthesis and reactivity of 3-aralkoxy-4-imino-imidazolidin-2-ones: a novel class of 4-iminohydantoins
作者:Thomas Kurz、Detlef Geffken、Khalid Widyan
DOI:10.1016/j.tet.2003.12.068
日期:2004.3
Reactions of diethylphosphonoalkyl alpha-aminonitriles with 1,1'-carbonyl-diirnidazole or 1,1'-carbonyl-di-(1,2,4-triazole) and O-substituted hydroxylamines under acidic conditions gave 3-alkoxy-4-imino-imidazolidin-2-ones, whereas in presence of triethylamine 4-alkoxy(aralkoxy)imino-imidazolidin-2-ones were formed. (C) 2004 Elsevier Ltd. All rights reserved.