IJFANS International Journal of Food and Nutritional Sciences

ISSN PRINT 2319 1775 Online 2320-7876

RICE HUSK IS AN INEXPENSIVE, EFFICIENT AND MILD CATALYST FOR THE SYNTHESIS OF BIOLOGICALLY ACTIVE 2,4,5-TRIARYL-1H-IMIDAZOLES

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Kirti S. Niralwad

Abstract

Abstract:Rice Husk was found to be an efficient catalyst for the green synthesis of biologically active2,4,5-Triaryl-1H-Imidazoles by the coupling of Benzil/Benzoin, aldehyde and ammonium acetate under ultrasound-irradiation at ambient temperature for appropriate time to furnish the desired product in good to excellent yield. The catalyst provides clean conversion; greater selectivity and easy workup make this protocol practical and economically attractive

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