Question 2 (1 point) Which statement regarding the following reaction true? с D It occurs antarafacially and D is favour
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Question 3 (1 point) Which of the following sigmatropic rearrangements would occur suprafacially? hy D hy 성 hv
Question 4 (1 point) Which statement regarding the following reaction is true? foam A B O It is a Cope rearrangement that shows a predominance of B at equilibrium. It is a Claisen rearrangement that shows a predominance of B at equilibrium. It is a Cope rearrangement that shows a predominance of A at equilibrium. It is a Claisen rearrangement that shows a predominance of A at equilibrium.
Question 5 (1 point) Consider the following [3,3]-sigmatropic rearrangement. This reaction may proceed through the following chair-like conformations. Which one is more stable? Explain your answer. Hac Н.С. CH3 "CH3 H CH3 R mapato CH3 HCR E CH3 E H A B A