Question 17.3: How would you prepare pentan-2-one by an acetoacetic ester s...

Organic Chemistry with Biological Applications

How would you prepare pentan-2-one by an acetoacetic ester synthesis?

S t r a t e g y

The acetoacetic ester synthesis yields a methyl ketone by adding three carbons to an alkyl halide:

Thus, the acetoacetic ester synthesis of pentan-2-one must involve reaction of bromoethane.

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