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Question
Which of the following will go by α− elimination reaction mechanism?
Which of the following will go by α− elimination reaction mechanism?
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Solution
The correct option is C CHCl3KOH−−−→Δ
(a), (b) and (d) goes by β−elimination reaction. (a) and (b) are dehydrohalogenation reaction. (d) is dehydration of alcohol.
In α− elimination reaction, the leaving group and the proton are removed from the same α− carbon which leads to formation of reactive carbene intermediate.
CHCl3KOH−−−→ΔK+ −CCl3Δ−→KCl+ :CCl2
Mechanism:
(a), (b) and (d) goes by β−elimination reaction. (a) and (b) are dehydrohalogenation reaction. (d) is dehydration of alcohol.
In α− elimination reaction, the leaving group and the proton are removed from the same α− carbon which leads to formation of reactive carbene intermediate.
CHCl3KOH−−−→ΔK+ −CCl3Δ−→KCl+ :CCl2
Mechanism:
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