Author:
Nasr-Esfahani Masoud,Montazerozohori Morteza,Abdizadeh Tooba
Abstract
AbstractNanorod vanadatesulfuric acid (VSA NRs), as a recyclable and eco-benign catalyst, was used for one-pot synthesis of 2,4,5-trisubstituted imidazoles and 1,2,4,5-tetrasubstituted imidazoles using aldehydes, benzil, benzoin or 9,10-phenanthrenequinone and ammonium acetate or aniline under solvent-free conditions providing high to excellent yields. VSA is easily prepared by a simple reaction of chlorosulfonic acid and sodium metavanadate in high purity. As compared with the conventional procedures, the present protocol offers several advantages such as simplicity of procedure, short reaction time, high yields, easy workup, recoverability and reusability of the catalyst and simple purification of the products.
Publisher
Springer Science and Business Media LLC
Subject
Materials Chemistry,Industrial and Manufacturing Engineering,General Chemical Engineering,Biochemistry,General Chemistry
Cited by
18 articles.
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