Infrared spectra and structure of salts of nitroimidazoles was written by Epishina, L. V.;Slovetskii, V. I.;Osipov, V. G.;Lebedev, O. V.;Khmel’nitskii, L. I.;Sevost’yanova, V. V.;Novikova, T. S.. And the article was included in Khimiya Geterotsiklicheskikh Soedinenii in 1967.COA of Formula: C4H5N3O2 This article mentions the following:
The ir spectra of nitroimidazoles and their salts indicate that salt formation involves only the NO2 group, with the formation of an isoimidazole ring. In polynitroimidazoles (I), only one NO2 group is involved as shown. The N-O absorption bands at â?550 and â?350 cm.-1 in mononitroimidazoles disappear on salt formation and bands at â?180 and â?50 cm.-1 appear. In salts of I, some of the N-O absorption in the uncharged NO2 group remains. N-Nitroimidazoles are characterized by an antisym. N-O vibration absorption band at â?640 cm.-1 and a sym. one at â?330 and â?280 cm.-1 The presence of a C(NO2)3 group leads to 3 bands at 1600-1630 cm.-1 and usually to 2 bands at 1300-1325 cm.-1 In the experiment, the researchers used many compounds, for example, 1-Methyl-4-nitroimidazole (cas: 3034-41-1COA of Formula: C4H5N3O2).
1-Methyl-4-nitroimidazole (cas: 3034-41-1) belongs to imidazole derivatives. Many natural products, especially alkaloids, contain the imidazole ring. These imidazoles share the 1,3-C3N2 ring but feature varied substituents. Imidazole has been usedin the lysis, wash and elution buffer for the purification of histidine tagged Sonic Hedgehog(shh-N) protein, in elution buffer in stepwise gradient for the purification of histidine tagged aldo keto reductases using nickel affinity chromatography, as a component of homogenization buffer for the purification of phagosomal compartments from dendritic cells.COA of Formula: C4H5N3O2
Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem