Synthesis of Methylchalcone

To a beaker add with stirring 25 mL of ethanol, 40 mL of water and 4.4 g of sodium hydroxide, after the solution has cooled down add 10 mL of acetophenone with vigorous stirring. Then start the addition of 10.2 mL of 4-methylbenzaldehyde with maintaining the temperature below 30°C, stir for additional 3 hours. Filter the mixture and wash with some water. Recrystallize with hot ethanol.

Source

ald2

The first mixture of chemicals

ald3

Addition of the 4-methylbenzaldehyde and stirring for 3h

ald5

The pure product

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