Multiple choice

Which of the following reagents is used in acidic modification of the Hofmann rearrangement?

  1. Bis(chloromethyl) ether

  2. (Bis(trifluoroacetoxy)iodo)benzene

  3. Bis(trimethylsilyl)acetamide

  4. Bis(trimethylsilyl)amine
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B Correct answer
Explanation

(Bis(trifluoroacetoxy)iodo)benzene is a hypervalent iodine compound used as a reagent in organic chemistry. The reagent is used in an acidic modification of the Hofmann rearrangement. One example is the conversion of cyclobutanecarboxamine to cyclobutylamine hydrochloride.

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