Textbook Question
Draw the product from reaction of the following substances with (1) Br2 and FeBr3 and (2) SO3 and H2SO4 catalyst (red=O):
(a) <IMAGE>
(b) <IMAGE>
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13. Alkenes, Alkynes, and Aromatic Compounds
Benzene Reactions
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Fill in the missing reagent for the provided reaction.
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Verified step by step guidance1
Identify the type of reaction: The reaction shown is a Friedel-Crafts alkylation, which involves the introduction of an alkyl group into an aromatic ring using a Lewis acid catalyst.
Determine the structure of the product: The product is a benzene ring attached to a cyclopentyl group. This indicates that the alkyl group introduced is a cyclopentyl group.
Identify the missing reagent: In Friedel-Crafts alkylation, the alkyl group is typically introduced using an alkyl halide. The missing reagent should be a cyclopentyl halide.
Analyze the provided images: The images show different cyclopentyl halides. The correct reagent should have a bromine atom attached to the carbon that will form the bond with the benzene ring.
Select the correct cyclopentyl halide: The image with the bromine atom directly attached to the cyclopentyl group (the last image) is the correct reagent for this reaction.
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