Journal
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
Volume 13, Issue 4, Pages 4696-4703Publisher
MDPI AG
DOI: 10.3390/ijms13044696
Keywords
silica sulfuric acid; 5-substituted 1H-tetrazoles; [3+2] cycloaddition
Funding
- NWSUAF [QN2009048]
- Xinjiang Production & Construction Corps Key Laboratory of Protection and Utilization of Biological Resources in Tarim Basin [BRTD1004]
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A silica supported sulfuric acid catalyzed [3+2] cycloaddition of nitriles and sodium azide to form 5-substituted 1H-tetrazoles is described. The protocol can provide a series of 5-substituted 1H-tetrazoles using silica sulfuric acid from nitriles and sodium azide in DMF in 72%-95% yield.
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