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Which of the following dienophiles is th...

Which of the following dienophiles is the most reactive with buta-1,3-diene?

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
C
Compound (c) is the dienophile with the best combination of low steric hindrance and a low-energy LUMO (which is caused by the electron-withdrawing anhydride residue),
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