Which of the Following Statements About Sigmatropic Rearrangements and Orbital

question 24

Multiple Choice

Which of the following statements about sigmatropic rearrangements and orbital symmetry is not true?

• A)Reactions involving six atoms or fewer must take place by suprafacial pathways.
• B)In a suprafacial rearrangement,the new s bond forms on the opposite side of the p system as the broken s bond.
• C)In an antarafacial rearrangement,the new s bond forms on the opposite side of the p system as the broken s bond.
• D)In a suprafacial rearrangement,the new s bond forms on the same side of the p system as the broken s bond.

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