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Which of the methods are better in the s...

Which of the methods are better in the synthesis of the following compounds by Witting reagent ?

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
A, D
Wittig reaction proceeds by `SN^(2)` mechanism. Thus reactivity of RX in `SN^(2)` reaction is `1^(@)gt2^(@)gt3^(@)RX`.
In (a) and (d), `1^(@)` RX is used.
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