Wolski, Tadeusz; Golkiewicz, Wladyslaw; Kaczorek, Marian; Kiszczak, Wlodzimierz published the article 《Technology and analytical control of 1-methyl-4-nitro-5-chloroimidazole manufacture. I. Synthesis and technology of 1-methyl-4-nitro-5-chloroimidazole》. Keywords: imidazole methylnitrochloro manufacture technol; oxalamide cyclization.They researched the compound: 5-Chloro-1-methyl-4-nitroimidazole( cas:4897-25-0 ).Formula: C4H4ClN3O2. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:4897-25-0) here.
A 3-step preparation of the title compound is reported as a technol. modification of known procedures. It involves preparation of (CONHMe)2 from (CO2Et)2 and MeNH2(g) (90% yield), cyclization to 1-methyl-5-chloroimidazole with PCl5 (50% yield), and nitration with HNO3-H2SO4 (80% yield).
There are many compounds similar to this compound(4897-25-0)Formula: C4H4ClN3O2. if you want to know more, you can check out my other articles. I hope it will help you，maybe you’ll find some useful information.
Reference:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts