Kumada Coupling: Propylbenzene could hypothetically be synthesized by Friedel-Crafts alkylation. However, this reaction is not practical. What is the problem with synthesizing propylbenzene by Friedel-Crafts alkylation? 1. 2. 3. Propose a synthesis of propylbenzene from benzene and any other reagents you need using reactions from 351/352 lecture that does NOT use a coupling reaction. How would you prepare the following molecule using a Kumada coupling?

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