Chemistry · Organic Chemistry
The thermal cycloaddition reaction between a conjugated diene and an alkene (Diels-Alder reaction) is symmetry-allowed under which of the following stereochemical classifications according to the Woodward-Hoffmann rules?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1[π4s + π2s]✓
- 2[σ2s + σ2a]
- 3[π2s + π2s]
- 4[π4s + σ2s]
Correct answer
[π4s + π2s]
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