Chapter 18, Problem 21P

Interpretation Introduction

Interpretation: For each compounds the synthesis starting from acetoacetic ester and any other required reagent is to be outlined.

Concept introduction:

In acetoacetic ester synthesis the starting compound is acetoacetic ester.

The acetoacetic ester is usually a $\beta -\text{dicarbonyl}$ compound.

Primary alkyl halide give higher yields than secondary alkyl halide. With tertiary alkyl halide, only elimination takes place.