Which of the Following Would Provide the Best Synthesis of 3,5-Dimethyl-2-Hexanone

Multiple Choice

Which of the following would provide the best synthesis of 3,5-dimethyl-2-hexanone?

A) Ethyl acetoacetate + NaOC₂H₅ + CH₃I; then KO-t-Bu + (CH₃) ₃CCH₂Br; then NaOH; then H₃O⁺; then heat
B) Ethyl acetoacetate + NaOC₂H₅ + (CH₃) ₃CBr; then KO-t-Bu + CH₃I; then NaOH; then H₃O⁺; then heat
C) Ethyl acetoacetate + NaOC₂H₅ + (CH₃) ₂CHCH₂Br; then KO-t-Bu + CH₃I; then NaOH; then H₃O⁺; then heat
D) Ethyl acetoacetate + NaOC₂H₅ + (CH₃) ₂CHCH₂CHBrCH₃; then NaOH; then H₃O⁺; then heat
E) Ethyl acetoacetate + NaOC₂H₅ + CH₃I; then KO-t-Bu + (CH₃) ₂CHBr; then NaOH; then H₃O⁺; then heat