Show how you would synthesize each compound from starting materials containing no more than six carbon atoms.

Guida verificata passo dopo passo

Step 1: For compound (a), cyclopentanone can be used as the starting material. Perform an alkylation reaction using methyl iodide (CH3I) and a strong base like sodium hydride (NaH) to introduce the methyl group at the alpha position of the ketone.

Step 2: For compound (b), start with benzene as the aromatic starting material. Perform a Friedel-Crafts acylation using acetyl chloride (CH3COCl) and aluminum chloride (AlCl3) as the catalyst to introduce the acetyl group onto the benzene ring.

Step 3: For compound (c), begin with 1-bromopropane as the starting material. Perform a Grignard reaction by reacting 1-bromopropane with magnesium in dry ether to form the Grignard reagent. Then react this Grignard reagent with propanal to form the desired ketone.

Step 4: Ensure that all starting materials used in the synthesis contain no more than six carbon atoms, as per the problem's constraints.

Step 5: Verify the structures of the synthesized compounds to ensure they match the target molecules provided in the problem.

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