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Question
Convert benzene to 1−bromo−3−ethylbenzene.
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Solution
Acylate first to have a deactivating group which could direct the incoming electrophile to meta position. Then, brominate to get the 1,3 position product. Finally, reduce the acyl group to alkyl group to get 1-bromo-3-ethyl benzene.
Acylate first to have a deactivating group which could direct the incoming electrophile to meta position. Then, brominate to get the 1,3 position product. Finally, reduce the acyl group to alkyl group to get 1-bromo-3-ethyl benzene.
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