背景:Strecker反应是首次报道的用于制备α-氨基腈的多组分反应。α-氨基腈是各种氨基酸,1,2-二嗪,杂环和生物活性化合物(如Saframycin A和Ecteinascidin 746)的重要中间体。采用Strecker方法使用MCR制备α-氨基腈,由于原子经济性而避免了多步操作,因此吸引了许多研究小组的注意。合成并遵循绿色化学原理。 方法:在纯净条件下,在一锅中以Cu(BF4)2.xH2O为催化剂,通过Strecker反应,通过TMSCN处理醛,胺,合成了A-氨基腈。已经用不同的伯胺和仲胺研究了各种芳族和脂族醛。 结果:通过在各种溶剂下选择模型反应来优化反应条件,并在纯净条件下发现良好的收率。此外,还研究了各种催化量的Cu(BF4)2.xH2O,发现3摩尔%的产率更高。已经用醛和胺的不同底物研究了该反应。通过比较其光谱数据(1 H NMR,13 C NMR,IR和MS)和物理
Boric Acid Catalysed Synthesis of α-Aminonitriles by a Three-Component Reaction at Room Temperature
作者:Zahed Karimi-Jaberi、Abdolaziz Bahrani
DOI:10.3184/174751912x13352842814921
日期:2012.6
A simple, efficient, and cost-effective method has been developed for the one-pot, three-component condensationreaction of trimethylsilyl cyanide, aldehydes and aromatic amines using boricacid as a heterogeneous solid acid catalyst, under solvent-free conditions. α-Aminonitriles were synthesised relatively quickly in good yields at room temperature.
Three-component coupling reactions in ionic liquids: a facile synthesis of α-aminonitriles
作者:Jhillu S. Yadav、Basi. V. S. Reddy、B. Eshwaraiah、Mende. Srinivas、P. Vishnumurthy
DOI:10.1039/b208844b
日期:2003.2.27
addition with trimethylsilyl cyanide in 1-butyl-3-methylimidazolium tetrafluoroborate or 1-butyl-3-methylimidazolium hexafluorophosphate ionic liquids under mild and neutral reaction conditions to afford the corresponding α-aminonitriles in excellent yields. The ionic liquids can be recycled in five to six runs without any apparent loss of activity.
Aryl imines, formed in situ from aldehydes and amines undergo smoothly nucleophilic addition with trimethylsilyl cyanide on the surface of montmorillonite KSF clay under mild reaction conditions to afford the corresponding alpha-aminonitriles in excellent yields. The solid acid can be recovered and recycled in subsequent reactions with a gradual decrease of activity. (C) 2004 Elsevier Ltd. All rights reserved.
Reddy, Ch. Sanjeeva; Raghu, Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 2008, vol. 47, # 10, p. 1572 - 1577
作者:Reddy, Ch. Sanjeeva、Raghu
DOI:——
日期:——
Raghu; Reddy, Ch Sanjeeva, Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 2009, vol. 48, # 2, p. 295 - 300