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Standard XII
Chemistry
Chloroform + Base Reaction with Amines
Predict the p...
Question
Predict the product of the given schmidt rearrangement.
A
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B
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C
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D
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Solution
The correct option is
C
Carboxylic acid reacts with hydrazoic acid to form amines. This reaction is called Schmidt rearrangement.
Mechanism:
Step 1: Here, carboxylic acid was protonated and water gets eliminated to form acylium ion.
Step 2: Hydrazoic acid attacks the acylium ion to form protonated azide.
Step 3: Abstraction of proton followed by elimination of
N
2
and aryl group migration leads to the formation of isocyanate intermediate.
Step 4: Formed isocyanate gets hydrolysed to form amine and
C
O
2
.
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Chloroform + Base Reaction with Amines
Standard XII Chemistry
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