Citation: Gang Qi, Yong Dai. γ-Fe₂O₃:A magnetic separable catalyst for synthesis of 5-substituted 1H-tetrazoles from nitriles and sodium azide[J]. Chinese Chemical Letters, ;2010, 21(9): 1029-1032. doi: 10.1016/j.cclet.2010.05.003 shu

γ-Fe₂O₃:A magnetic separable catalyst for synthesis of 5-substituted 1H-tetrazoles from nitriles and sodium azide

Gang Qi ,
Yong Dai

Department of Chemistry and Biology, Yancheng Institute of Technology, Yancheng 224051, China

Received Date: 15 December 2009

An efficient route for the synthesis of 5-substituted 1H-tetrazole via[2+3] cycloaddition of nitriles and sodium azide is reported using g-Fe₂O₃ nanoparticles as a magnetic separable catalyst. Under optimized conditions, the moderate to good yields (71-95%) can be obtained. The catalyst can be easily separated by a magnet and reused for several circles.
- γ-Fe₂O₃,
- Magnetic separable catalyst,
- Tetrazole,
- [2+3]Cycloaddition
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