Process for the synthesis of 2,4,6,8-tetranitro-2,4,6,8-tetraazabicyclo (3.3.0) octane
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United States of America Patent
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Aug 19, 1997
Grant Date -
N/A
app pub date -
Feb 21, 1995
filing date -
Feb 22, 1994
priority date (Note) -
Expired
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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.
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