Abu Safieh, Kayed A.; Darras, Fouad H.; Ayoub, Mikdad T.; El-Abadelah, Mustafa M.; Sabri, Salim S.; Voelter, Wolfgang published an article about the compound: 5-Chloro-1-methyl-4-nitroimidazole( cas:4897-25-0,SMILESS:C1=NC(=C(Cl)[N]1C)[N+]([O-])=O ).Application In Synthesis of 5-Chloro-1-methyl-4-nitroimidazole. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:4897-25-0) through the article.
A synthesis of model 8-substituted 12-methyl-12H-imidazo[4′,5′:2,3][1,4]diazepino[6,7,1-jk]carbazoles I (R = Me, 4-tolyl, 2-thienyl), based on the classical Bischler-Napieralski method, is described. Thus interaction of carbazole with 5-chloro-1-methyl-4-nitro-1H-imidazole (in the presence of NaH) produced the corresponding 9-(1-methyl-4-nitro-1H-imidazol-5-yl)-9H-carbazole. Subsequent chem. reduction of the nitro group into the resp. amino derivative and acylation of the resulting amino group furnished the resp. amides. Cyclocondensation of the latter, using polyphosphoric acid under Bischler-Napieralski conditions, delivered the target compounds The structures of these new pentacyclic heterocycles were supported by IR, MS, and NMR.
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Reference:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts