Synthesis and structure of 3,5-diamino-2,6-di-(tert-butyl-NNO-azoxy) pyrazine as a critical intermediate in the synthesis of a novel energetic compound
US9663477B1 · kind B1 · utility
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11Claims
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Key dates
| Filing date | Sep 19, 2014 |
| Grant date | May 30, 2017 |
| Priority date | — |
| Expiry date | Dec 29, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D241/20
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present disclosure relates generally to a critical intermediate in a synthesis of a postulated energetic material, and more specifically relates to a critical intermediate, 3,5-diamino-2,6-di-(tert-butyl-NNO-azoxy)pyrazine, having the structure:The postulated energetic material has calculated performance properties that greatly exceed those of HMX and CL-20. The specific critical intermediate (Compound 1) shown above has a molecular weight of 310.359 g/mol, a density at −123° C. of 1.293 g/mL, and a density at 20° C. of 1.259 g/mL.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.