K2PdCl4 catalyzed efficient multicomponent synthesis of α-aminonitriles in aqueous media
作者:Bikash Karmakar、Julie Banerji
DOI:10.1016/j.tetlet.2010.03.059
日期:2010.5
An efficient, mild and environmentally friendly method has been developed for the Streckerreaction to synthesize α-aminonitriles in the presence of K2PdCl4 as a catalyst. The three-component one-pot condensation of an aldehyde, amine and trimethylsilyl cyanide proceeded smoothly in water to afford the corresponding product in high yield with short reaction times.
Ga-TUD-1: A new heterogeneous mesoporous catalyst for the solventless expeditious synthesis of α-aminonitriles
作者:Bikash Karmakar、Apurba Sinhamahapatra、Asit Baran Panda、Julie Banerji、Biswajit Chowdhury
DOI:10.1016/j.apcata.2010.10.030
日期:2011.1
The high surface area three-dimensional porous catalyst has been prepared and characterized by TEM. BET S.A, low angle XRD, Si-29 MAS NMR, NH3 TPD techniques. A simple, efficient and rapid method for the green synthesis of alpha-aminonitriles has been demonstrated over a new mesoporous gallosilicate catalyst Ga-TUD-1. The solventless technique has been applied for the synthesis of a range of compounds with variable functionality with excellent yield and selectivity. The catalyst has been recycled four times with reproducible yield. (C) 2010 Elsevier B.V. All rights reserved.