Process for the synthesis of 2,4,6,8-tetranitro-2,4,6,8-tetraazabicyclo (3.3.0) octane
US5659032A · kind A · utility
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10Claims
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Key dates
| Filing date | Feb 21, 1995 |
| Grant date | Aug 19, 1997 |
| Priority date | — |
| Expiry date | Feb 21, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D487/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a new process for the synthesis of 2,4,6,8-tetranitro-2,4,6,8-tetraazabicyclo-[3.3.0]octane (bicyclo-HMX) by reaction of nitronium tetrafluoroborate with 2,4,6,8-tetraacetyl-2,4,6,8-tetraazabicyclo[3.3.0]octane in the presence of fluoride ions. The process makes it possible to obtain pure bicyclo-HMX in an acceptable yield. Bicyclo-HMX is an explosive which can be employed as explosive or propellent charge in solid pyrotechnic compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.