Questiоn 7 (20 pts.) Perfоrm retrоsynthetic аnаlysis for the indicаted bond to identify the best pair of synthons. Then convert the synthons into synthetic equivalents and draw them out in the form of a 2-step reaction with the acetylide anion as the reactant, and the reagents it reacts with on the arrow, using the 1. 2. notation . You do not need to draw the arrow-pushing for this reaction.