Iodination of Aromatics with I2
Description: Treatment of an aromatic such as benzene with iodine (I2) and copper (II) chloride leads to formation of the iodinated benzene.
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Org. Synth. 1956, 36, 46
DOI Link: 10.15227/orgsyn.036.0046
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Check the description reaction, its CuI instead of CuCl2
Does reaction of molecular iodine with nitric acid not produce iodobenzene in greater yield? Lesser yield? Just as good?
Thanks!
but u forgetted that HI is reducing agent that can reverse the reaction toward the benzene ring
HI is not a reducing agent.
My text said that HI is a reducing agent.(That’s why direct Iodination fails to give Iodoalkane. Prescence of oxidising ahents like HgO is required to oxidise hydrogen iodide to iodine gas)