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In organic chemistry various reactions t...

In organic chemistry various reactions take place by rearrangements. These rearrangements can be classified on the basis of migratory group and its nature. One of the well-known rearrangement is the formation of N-substituted amides by rearrangement of aldoximes or ketoximes. This is known as Beckmann rearrangement. It is catalysed by various acidic reagents. The mechanism of this reaction is given as


product, The product formed is :

A

B

C

D

None of these

Text Solution

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The correct Answer is:
B
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In organic chemistry various reactions take place by rearrangements. These rearrangements can be classified on the basis of migratory group and its nature. One of the well-known rearrangement is the formation of N-substituted amides by rearrangement of aldoximes or ketoximes. This is known as Beckmann rearrangement. It is catalysed by various acidic reagents. The mechanism of this reaction is given as Product, The final product is :

Beckmann Rearrangement

In organic chemistry various reactions take place by rearrangements. These rearrangements can be classified on the basis of migratory group and its nature. One of the well-known rearrangement is the formation of N-substituted amides by rearrangement of aldoximes or ketoximes. This is known as Beckmann rearrangement. It is catalysed by various acidic reagents. The mechanism of this reaction is given as (CH_(3))(C_(2)H_(5))C=NOH overset(C_(6)H_(5)SO_(2)Cl)to (A)overset(H_(2)O //H^(o+))to CH_(3)NH_(2)+C_(2)H_(5)COOH The formation of final product suggest the migration of :

rearranges to :

Ketoxime when heated with certain reagents undergoes rearrangement to form amides. This is known as Backmann's rearrangement. Find out (X):

Ketoxine when heated with certain reagents undergoes rearrangement to form amides. This is known as Beckmann's rearrangement. Find out (X) :

In benzilic acid rearrangement

Which of the following is not a rearrangement reaction ?