4,5-Dichloro-1,2-phenylenediamine → 5,6-Dichloro-2-(4-methoxy-3-nitro-phenyl)-1h-benzoimidazole

참여 물질

반응 단계

4-Methoxy-3-nitrobenzaldehyde (4.65 g, 27.6 mmol) and sodium bisulfite (5.79 g, 55.2 mmol) were added to ethanol (200 mL) and refluxed for 4 hours at which time 1,2-dichloro-4,5-phenylenediamine (4.56 g, 27.6 mmol) was added and the mixture was refluxed overnight. The reaction mixture was filtered while hot, and the pea-green solid washed with ethanol.(3.09 g) mp 250° C.

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