Concept explainers
(a)
Interpretation:
Effect of electron donating substituents in the diene of Diels-Alder reactions has to be predicted.
Concept Introduction:
Diels-Alder reaction:
A conjugated diene reacts with a compound containing a carbon-carbon double bond. It is a cycloaddition reaction, where two reactants form a cyclic product.
(b)
Interpretation:
The effect of electron donating substituents in dienophile of Diels-Alder reactions has to be predicted.
Concept Introduction:
Diels-Alder reaction:
A conjugated diene reacts with a compound containing a carbon-carbon double bond. It is a cycloaddition reaction, where two reactants form a cyclic product.
(c)
Interpretation:
The effect of electron withdrawing substituents in diene of Diels-Alder reactions has to be predicted.
Concept Introduction:
Diels-Alder reaction:
A conjugated diene reacts with a compound containing a carbon-carbon double bond. It is a cycloaddition reaction, where two reactants form a cyclic product.
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Essential Organic Chemistry, Global Edition
- Deconstruct the given Diels–Alder adduct. Draw the reactants (A and B), in any order, that would be needed to produce the Diels–Alder adduct.arrow_forwardWhy a conjugated diene is more stable than an isolated diene ?arrow_forwardDetermine what conjugated diene and what dienophile wereused to make starting materials from a given Diels–Alder adduct ?arrow_forward
- Rank the following dienes in their rate of reaction with the same dienophile in a Diels-Alder reaction. For example, 1 = fastest or most reactive diene, 4 = slowest or least reactive diene.arrow_forwardWhat diene and dienophile are needed to prepare each compound by a Diels–Alder reaction?arrow_forwardRank the following dienophiles in their rate of reaction with the same diene in a Diels-Alder reaction. For example, 1 = fastest or most reactive dienophile, 4 = slowest or least reactive dienophile.arrow_forward
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