Research Article
Synthesis of New Energetic Materials and Ionic Liquids Derived from Metronidazole
Scheme 1
Preparation of nitrate ester 2, PEIL 4, and salt 5. (a) HNO3/H2SO4/NH4NO3, 0°C to r.t., 1 h; (b) HNO3, CH2Cl2, r.t.; and (c) picric acid, CH2Cl2-Et2O.