Which Statement Is NOT True About the Diels-Alder Reaction

question 3

Multiple Choice

Which statement is NOT true about the Diels-Alder reaction?

• A) It is a [4+2] cycloaddition reaction.
• B) The diene must be in the s-cis conformation to react.
• C) Most Diels-Alder reactions are reversible.
• D) It is a sigmatropic rearrangement.
• E) Electron donating groups on the diene and electron withdrawing groups on the dienophile favor product formation.

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Definitions:

Articular Facets

Smooth, flat areas on the ends of bones that form joints, allowing bones to glide over each other with minimal friction.

Transverse Processes

Projections from the side of a vertebra that serve as points of attachment for muscles and ligaments.

Superior Articular

Superior articular refers to the upper joint surface of a bone that articulates with another bone to form a joint, facilitating movement.

Vertebral Foramen

The central opening in each vertebra through which the spinal cord passes, providing canal-like protection.