Define phenyllithium as any organic or inorganic reagents

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Using Phenyllithium as well as any necessary organic or inorganic reagents, suggest proficient syntheses of each of the following:
a) Benzyl bromide
b) 1-Bromo-1-phenylcyclohexane
c) trans-2-Phenylcyclohexane
d) 2-Phenyl-1,3- butadiene

Reference no: EM13681637

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