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5-Methyl-4-nitroimidazole, an imidazole derivative, is a heterocyclic NH-acid. Its nitration in the presence of acetic anhydride/glacial acetic acid has been studied.
M 3408 (OTTO) 5-Methyl-4-nitroimidazole, 98% Cas 14003-66-8 - used in the following to trap the reactive 1:1 intermediate formed during the reaction between triphenylphosphine and dibenzoylacetylene.