Method of preparing heteroalicyclic n-nitro compounds

Details Method of preparing heteroalicyclic n-nitro compounds Method of preparing heteroalicyclic n-nitro compounds

C - Chemistry, Metallurgy

07

D

C07D 295/28 (2006.01) C06B 25/34 (2006.01) C07B 43/02 (2006.01) C07D 239/04 (2006.01) C07D 239/10 (2006.01) C07D 263/26 (2006.01) C07F 7/08 (2006.01)

Patent

CA 2059786

A method of preparing heteroalicyclic N-vitro compounds consists of the steps of reacting a heteroalicyclic N-monosilylated compound with dinitrogen pentoxide, preferably within an inert organic solvent and within the temperature range -10°C to +10°C, and separating the N-vitro product from the silyl nitrate co-product thus obtained. The present nitrodesilylation method is capable of producing heteroalicyclic N-vitro compounds in high yields of typically 60-80%, and generates a silyl nitrate co-product which is relatively easy to remove by distillation in the presence of excess N2O5. Reagents containing two or more N-silyl groups per molecule can be employed yielding useful high explosive materials containing a corresponding number of N-vitro groups per molecule.

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