2,5-Dipicrylfurans

Details 2,5-Dipicrylfurans 2,5-Dipicrylfurans

1977-03-23

1977-12-06

Raymond, Richard L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

149105, C07D30740, C07D30770

Patent

active

040616584

ABSTRACT:
2,5-Dipicrylfurans of the formula ##STR1## wherein R.sub.1 and R.sub.2 vary independently and are select from the gp consisting of H and NO.sub.2. Unsubstituted 2,5-dipicrylfuran (R.sub.1 = R.sub.2 = H) is prepared by reacting a picryl halide with a 2,5-dihalofuran. Unsubstituted 2,5-dipicrylfuran may be nitrated under selected conditions to produce either 2,5-dipicryl-3-nitrofuran (R.sub.1 = NO.sub.2, R.sub.2 = H) or 2,5-dipicryl-3,4-dinitrofuran (R.sub.1 = R.sub.2 = NO.sub.2). The 2,5-dipicrylfurans of this invention are energetic explosives possessing high thermal stability.

REFERENCES:
patent: 3923830 (1975-12-01), Sitzmann et al.
Oleinik et al, Chemical Abstracts, vol. 83 (1975) 58562q.

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