Chemistry · Pericyclic Reactions
Consider the following statements regarding the electrocyclic ring-closing reaction of a conjugated polyene system: A. 4 e- conrotatory ring closure B. 4 e- disrotatory ring closure C. Allowed under thermal conditions D. Allowed under photochemical conditions For a thermal/photochemical disrotatory process of a 4e- system, the allowed combination is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1A and D
- 2B and C
- 3B and D✓
- 4A and C
Correct answer
B and D
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