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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Definitions:

European Colonization

The process by which European countries established settlements, extracted resources, and imposed their control over other regions and peoples around the world, particularly from the 16th to the 20th century.

Imagined Community

A concept that refers to how members of a nation envision themselves as part of a large community, despite having no direct interaction with most other members, as proposed by Benedict Anderson.

Artificially Created Borders

Boundaries established by human decisions rather than natural features, often resulting in social, political, or economic implications.

African Slave Trade

The forced transportation and enslavement of African people primarily to the Americas from the 16th to the 19th centuries, a foundational element of global economic and social systems of inequality.