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Which of the following reaction can proc...

Which of the following reaction can proceed via formation of a 6 member cyclic transition state?

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
A, D
cis structure gives 6 MCTS.
trans does not form 6 MCTS, therefore no diel's Alder reaction with trans form.
(a) cis
(b) is trans but it can convert into cis
(c) trans
(d) trans.
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