Show the bonding changes that occur, and write the structure of the intermediate formed in the thermal decarboxylation of
(a) Benzoylacetic acid
(b) 2,2-Dimethylacetoacetic acid
Sample Solution (a) By analogy to the thermal decarboxylation of malonic acid, we represent the corresponding reaction of benzoylacetic acid as
Acetophenone is the isolated product; it is formed from its enol by proton transfers.
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