Acetoacetic Ester Synthesis

24. Enolate Chemistry: Reactions at the Alpha-Carbon / Acetoacetic Ester Synthesis / Problem 1

The ¹H NMR of a methyl ketone produced by acetoacetic ester synthesis is shown below. What alkyl bromide was used to produce this compound?

1-bromobutane

1-bromopropane

bromomethane

bromoethane

The 1H NMR of a methyl ketone produced by acetoacetic ester synthesis is shown below. What alkyl bromide was used to produce this compound?