Transcription of ELECTROPHILIC AROMATIC SUBSTITUTION …
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ELECTROPHILIC AROMATIC SUBSTITUTION …
762 CHAPTER 16 THE CHEMISTRY OF BENZENE AND ITS Show two different Friedel Crafts acylation reactions that can be used to prepare the follow-ing following compound reacts with AlCl3followed by water to give a ketone Awith the for-mula C10H10O. Give the structure of Aand a curved-arrow mechanism for its AROMATIC SUBSTITUTION reactions OF SUBSTITUTED BENZENESA. Directing Effects of SubstituentsWhen a monosubstituted benzene undergoes an ELECTROPHILIC AROMATIC SUBSTITUTION reaction,three possible disubstitution products might be obtained. For example, nitration of bromoben-zene could in principle giveortho-,meta-,orpara-bromonitrobenzen e.
16.5 ELECTROPHILIC AROMATIC SUBSTITUTION REACTIONS OF SUBSTITUTED BENZENES 763 nal substituent group is called a meta-directing group. Thus, the nitro group is a meta-directing group because all electrophilic substitution reactions of nitrobenzene occur at the
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