
(a)
Interpretation:
Why the given compound cannot be synthesized directly from Diels-Alder reaction is to be explained.
Concept introduction:
Diels-Alder is one of the important reactions in
(b)
Interpretation:
The given compound is to be synthesized by making some changes in the starting material.
Concept introduction:
Diels-Alder is one of the important reactions in organic synthesis. The Diels-Alder reaction involves a diene and a dienophile. The diene contributes four Pi-electrons from the pair of conjugated pi-bond, and the dienophile contributes two electrons from single pi-bond.

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Chapter 24 Solutions
Organic Chemistry: Principles And Mechanisms (second Edition)
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