Chapter 21, Problem 66P

Synthesize (Z)-hept-5-en-2-one from ethyl acetoacetate $\left({\text{CH}}_{\text{3}}{\text{COCH}}_{\text{2}}{\text{CO}}_{\text{2}}\text{Et}\right)$ and the given starting material. You may also use any other organic compounds or required inorganic reagents.