Consider these reactions:

The intermediate A is a covalently bonded compound that has typical 1H NMR signals for aromatic ring hydrogens and only one additional signal at δ 1.21, with an area ratio of 5:3, respectively. Final product B is ionic and has only aromatic hydrogen signals.
What are the structures of A and B?
 

Transcribed Image Text:

t-BUOK HBr В -KCI -BUOH t-BUOK HBr В -KCI -BUOH

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