Methyl cyanoacetate → 2-Cyano-3-(3,4-dimethoxyphenyl)prop-2-enoic acid

Participants

Reaction Conditions

Reaction Steps

To 150 ml of an aqueous solution of 9.19 g of sodium hydroxide, 20.50 g of methyl cyanoacetate was added and, under stirring, 25.38 g of 3,4-dimethoxybenzaldehyde was further added, followed by heating at 85° C. for 40 hours under stirring. After completion of the reaction, the reaction mixture was added to 50 ml of 12 N hydrochloric acid to recover the resultant solid. The solid was repeated twice to recrystallize from ethanol to obtain 19.84 g of the desired compound.

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