A student proposes the following synthetic step.Briefly explain the problem with this proposed reaction,and suggest an alternative way to synthesize the target molecule using 1-bromopropane and any other necessary reagents. 
Definitions:
Total Caloric Intake
The total amount of calories consumed in a given period, important for managing weight and nutritional balance.
Phospholipids
A class of lipids that are a major component of all cell membranes, capable of forming lipid bilayers.
Polyunsaturated Vegetable Oils
Oils extracted from plants that contain multiple double bonds in their fatty acid chains, considered healthier than saturated fats.
Double Covalent Bonds
Chemical bonds involving the sharing of two pairs of electrons between atoms, contributing to the molecule's stability.
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