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Question

What are the constituent amines formed when the mixture of (i) and (ii) undergoes Hofmann bromamide degradation?


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 B

Explanation for correct option:

(B)

Hoffmann bromamide degradation reaction:

  • When an amide is exposed to bromine in an aqueous or ethanolic solution of sodium hydroxide, it degrades, resulting in the creation of primary amine. This reaction involves the degradation of amide and is sometimes referred to as the Hoffmann bromamide degradation reaction.
  • Amines are organic compounds that contain nitrogen atoms with a lone pair. Basically, they are derived from ammonia
  • This represents the constituent amines generated when the mixture of (i) and (ii) undergoes Hofmann bromamide degradation.
  • The C-D bond does not cleave.
  • The tagged nitrogen is still present in the molecule.
solution

Explanation for incorrect options :

When the mixture of (i) and (ii) undergoes Hofmann bromamide degradation it will give the desired products given below:

Thus, options B, C, and D are incorrect.

Hence, the correct option is A.


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