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Abstract
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An efficient method for the synthesis of 5-substituted-1H-tetrazoles through the reaction of nitriles with
sodium azide using 4-(N,N-dimethylamino)pyridinium acetate as a recyclable catalyst with ionic liquid
character is described. The reactions proceed well at 100 C and provide the corresponding tetrazoles
in good to excellent yields. This method has the advantage of easy work-up of the product without the
requirement of HCl. Mono [3 2] cycloaddition products were obtained from dicyanides via this method.
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