When an Allyl Anion Undergoes a Cycloaddition Under Thermal Conditions

question 96

Multiple Choice

When an allyl anion undergoes a cycloaddition under thermal conditions with ethylene (bonds forming at the ends of the π-systems) ,the cycloaddition is described as

• A)[2+2] and suprafacial.
• B)[2+4] and suprafacial.
• C)[2+2] and antarafacial.
• D)[2+4] and antarafacial.
• E)[2+3] and antarafacial.

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