Tosyl azide
Tosyl azide is a reagent used in organic synthesis.[1]
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| Names | |
|---|---|
| Preferred IUPAC name
4-Methylbenzene-1-sulfonyl azide | |
| Other names
p-Toluenesulfonyl azide; p-Tosyl azide; p-Toluenesulfonazide; TsN3 | |
| Identifiers | |
3D model (JSmol) |
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| ChemSpider | |
| ECHA InfoCard | 100.012.164 |
| EC Number |
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PubChem CID |
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| UNII | |
CompTox Dashboard (EPA) |
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| Properties[1] | |
| C7H7N3O2S | |
| Molar mass | 197.21 g·mol−1 |
| Appearance | Oily colorless liquid |
| Density | 1.286 g/cm3 |
| Melting point | 21 to 22 °C (70 to 72 °F; 294 to 295 K) |
| Boiling point | 110 to 115 °C (230 to 239 °F; 383 to 388 K) at 0.001 mmHg |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
| Infobox references | |
Uses
Tosyl azide is used for the introduction of azide and diazo functional groups.[1] It is also used as a nitrene source and as a substrate for [3+2] cycloaddition reactions.[1]
Preparation
Tosyl azide can be prepared by the reaction of tosyl chloride with sodium azide in aqueous acetone.[2]
Safety
Tosyl Azide is one of the more stable azide compounds but is still regarded as a potential explosive and should be carefully stored.
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References
- Heydt, H.; Regitz, M.; Mapp, A. K.; Chen, B. (2008). "P-Toluenesulfonyl Azide". Encyclopedia of Reagents for Organic Synthesis, 8 Volume Set. Encyclopedia of Reagents for Organic Synthesis. doi:10.1002/047084289X.rt141.pub2. ISBN 978-0471936237.
- Curphey, T. J. (1981). "Preparation of p-Toluenesulfonyl Azide. A Cautionary Note". Organic Preparations and Procedures International. 13 (2): 112–115. doi:10.1080/00304948109356105.
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