Engineering
Chemistry
Preparation of Aldehyde and Ketones
Oxidation of aldehydes and ketones
Question
Which of the following is example of 1,4-addition reaction ?
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Solution
(B) LAH reduces carbonyl compounds to alcohols.
However carbon carbon double bond is not affected.
Thus the reduction of alpha beta unsaturated carbonyl compounds with LAH is 1,2 addition.
The reactions (A) and (C) are 1,4 additions.
The reaction (D) is not 1,4 addition
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