Which of the Following Statements About the Claisen Rearrangement Is

question 27

Multiple Choice

Which of the following statements about the Claisen rearrangement is true?

• A) The Claisen rearrangement occurs readily in a suprafacial pathway under photochemical conditions.
• B) The Claisen rearrangement occurs readily in an antarafacial pathway under thermal conditions.
• C) The Claisen rearrangement involves three electron pairs; two in  bonds and one in a  bond.
• D) The Claisen rearrangement involves the rearrangement of an unsaturated ether to a  ,  -unsaturated carbonyl compound.

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