Synthesis of New Energetic Materials and Ionic Liquids Derived from Metronidazole

Table 1

Oxygen deficiency and DSC data for compounds 2–6 and mixture 7.

Compound	Oxygen deficiency (Ω), %	Melting point °C	Decomposition temperature (1st transition; , °C; onset)	Decomposition temperature; (2nd transition ; 3rd transition , °C; onset)
2	−81.4	70.5	182.9	—
3	−114.2	55.1	87.7	222.0
4	−48.7	—	168.3	175.3; 208.7
5	−63.0	141.9	192.8	247.9
6	−71.0	—	144.0	225.0
	−77.2	124.3; 135.0	243.2	—

Glass transition onset (); onset decomposition temperatures () shown in all cases, except for compound 4 where peak temperatures are shown; room temperature energetic ionic liquid (RTEIL) exhibiting = 81.55°C; 1 : 1 mixture of compound 3 and picric acid (endothermic peak temperatures shown as mp).