In Hoffman Hypobromite Reaction?

The reaction of bromine with sodium hydroxide forms sodium hypobromite in situ, which transforms the primary amide into an intermediate isocyanate. ... The intermediate isocyanate is hydrolyzed to a primary amine, giving off carbon dioxide. Base abstracts an acidic N-H proton, yielding an anion.

What is Hoffman's bromide reaction give an example?

When an amide is treated with bromine in an aqueous or ethanolic solution of sodium hydroxide, degradation of amide takes place leading to the formation of primary amine. This reaction involving degradation of amide and is popularly known as Hoffmann bromamide degradation reaction.

Which intermediate is involved in Hoffman reaction?

In the Hofmann rearrangement, an amide is subjected to an oxidation process with hypobromite to form an N-bromoamide intermediate, which in the presence of a base undergoes a deprotonation step followed by the migration of an alkyl group to the nitrogen atom, and simultaneous loss of bromine, whereby an isocyanate is ...