Potassium dihydrogen phosphate catalyzed one-pot synthesis of 2,4,5-triaryl-1H-imidazoles |
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Authors: | Ratnadeep S. Joshi Priyanka G. Mandhane Mohammad U. Shaikh Rajesh P. Kale Charansingh H. Gill |
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Affiliation: | Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad, Maharashtra 431 004, India |
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Abstract: | A simple and efficient method has been developed; benzil/benzoin undergoes smooth condensation with various substituted aldehyde and ammonium acetate in the presence of potassium dihydrogen phosphate(KH2PO4)under mild reaction conditions to afford the corresponding trisubstituted imidazole in excellent yields.The method for synthesis of product,the reaction mixture was reflux in ethanol for 40-90 min.The present method is simple,efficient,and cost-effective. |
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Keywords: | Potassium dihydrogen phosphate(KH2PO4) 2,4,5-Triaryl-1H-imidazole Benzil Benzoin Aldehyde Ammonium acetate |
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