Chapter 21, Problem 21.71P

Interpretation Introduction

(a)

Interpretation:

Synthesis of the given compound beginning with acetoacetic ester is to be shown.

Concept introduction:

An acetoacetic ester synthesis results in an $\text{α-}$ alkylated acetone compound because it has one ester group. The ester is hydrolyzed to the carboxylic acid and undergoes decarboxylation. Retro synthesis is undergone.

Interpretation Introduction

(b)

Interpretation:

Synthesis of the given compound beginning with acetoacetic ester is to be shown.

Concept introduction:

An acetoacetic ester synthesis results in an $\text{α-}$ alkylated acetone compound because it has one ester group. The ester is hydrolyzed to the carboxylic acid and undergoes decarboxylation. Retro synthesis is undergone.

Interpretation Introduction

(c)

Interpretation:

Synthesis of the given compound beginning with acetoacetic ester is to be shown.

Concept introduction:

An acetoacetic ester synthesis results in an $\text{α-}$ alkylated acetone compound because it has one ester group. The ester is hydrolyzed to the carboxylic acid and undergoes decarboxylation. Retro synthesis is undergone.