Q45.

Question

Question: Devise a synthesis of valproic acid [(CH3CH2CH2)2 CHC02H], a medicine used to treat epileptic seizures, using the malonic ester synthesis.

Step-by-Step Solution

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Answer


Answer

 

The malonic ester reaction for the synthesis of valproic acid is shown below.


1Step 1: Retrosynthetic pathway for obtaining the starting materials


To obtain the starting materials required for acetoacetic ester synthesis, a retrosynthetic analysis is followed. It is as shown below:


2Step 2: Forward pathway for obtaining the product

To obtain the product, a forward reaction scheme analysis is followed, as shown below.

Representation of the forward pathway to obtain the product