From 5-hexenal and o-bromotoluene obtain the following product.
Additional organic and inorganic reagents may be necessary.

SOLUTION:


[1] Formation of magnesium
[2] Nucleophilic attack of magnesium on carbonyl.
[3] Hydrolysis and subsequent oxidation of the secondary alcohol.
[4] Wittig reaction between ketone and triphenylmethylenephosphorane.