Synthesis of 4-Bromo-2-nitrobenzaldehyde

To a reflux apparatus add 9.3 g of 4-bromo-2-nitrobenzylidene diethanoate, 65 mL of ethanol and 64.5 mL of 1M sulfuric acid, reflux for 1h and then cool the solution down. Pour the solution into 900 g of ice, filter, wash with cold water and dry the product. Recrystallize in hot ethanol.

Source

Reflux of the mixture

Recrystallization of the crude product

index

A sample of the pure product

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