Facile method for preparation of 5-nitrotetrazolates using a flow system
US9670168B2 · kind B2 · utility
2Cited by
13References
19Claims
0Family size
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Key dates
| Filing date | Jan 22, 2014 |
| Grant date | Jun 6, 2017 |
| Priority date | — |
| Expiry date | Jan 22, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D257/06
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Described are methods for preparing salts of 5-nitrotetrazolate that include reacting aqueous solutions of 5-aminotetrazole, an acid, and sodium nitrite in a continuous flow system at an elevated temperature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.