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Figure 4
Synthesis of the title imidazolium picrate salt (6) from 4,4′-di­methyl­benzil (1), ammonium acetate (2), 2-meth­oxy­benzaldehyde (3) and picric acid (5). The imidazole inter­mediate (4) was obtained in ethanol/CAN under reflux at 95°C, followed by salt formation with picric acid.

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