Facile One Pot Multi-Component Solvent-Free Synthesis of 2,4,5-Trisubstituted Imidazoles Using “Green” and Expeditious Ionic Liquid Catalyst under Microwave Irradiation

Acetic acid functionalized poly(4-vinylpyridinium) bromide is a highly efficient and recyclable catalyst for the construction of 2,4,5-trisubstituted imidazole derivatives by a three-component condensation of benzyl with various aldehydes and ammonium acetate under solvent free conditions. The micro...

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Bibliographic Details
Published in:Russian journal of general chemistry 2018-03, Vol.88 (3), p.537-540
Main Authors: Sonyanaik, B., Ashok, K., Rambabu, S., Ravi, D., Kurumanna, A., Madhu, P., Sakram, B.
Format: Article
Language:English
Subjects:
Acetates
Acetic acid
Aldehydes
Ammonium acetate
Catalysis
Catalysts
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Clean energy
Energy consumption
Imidazole
Ionic liquids
Ions
Organic acids
Recyclability
Solvents
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Summary:Acetic acid functionalized poly(4-vinylpyridinium) bromide is a highly efficient and recyclable catalyst for the construction of 2,4,5-trisubstituted imidazole derivatives by a three-component condensation of benzyl with various aldehydes and ammonium acetate under solvent free conditions. The microwave initiated process leads to analytically pure compounds within 2–5 min. The advantages of this “green” methodology are cost-effectiveness, simple procedure, low energy consumption, no involvement of organic solvents, safe operation, clean reaction profile, high yields, and recyclability of the catalyst.
ISSN:1070-3632
1608-3350
DOI:10.1134/S1070363218030234