Which of the Following Statements About the Claisen Rearrangement Is

question 23

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 p bonds and one in a s bond.
• D)The Claisen rearrangement involves the rearrangement of an unsaturated ether to a b,g-unsaturated carbonyl compound.

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