The Wittig reaction is useful for placing double bonds in less stable positions. For exa...

The Wittig reaction is useful for placing double bonds in less stable positions. For example, the following transformation is easily accomplished using a Wittig reaction.

(a) Show how you would use a Wittig reaction to do this.

(b) Show how you might do this without using a Wittig reaction, and explain why the Wittig reaction is a much

better synthesis.