Beckmann Rearrangement, Mechanism and Applications
In Beckmann rearrangement, conversion of ketoximes to N-substituted amide takes place in presence of acid catalyst (such as- H2SO4, SOCl2, PhSO2Cl, PCl5 etc.)
In this rearrangement, migration of a group from carbon to electron deficient nitrogen takes place. The group which is trans to -OH group migrates from carbon atom to nitrogen atom, so the reaction is stereospecific.
Aldoximes, Oxime esters and ethers also undergo this rearrangement.
It is used in the production of the monomer unit of Nylon 6 and Nylon 12.
Schmidt reaction also involves Beckmann pathway.
It is mainly used in the synthesis of various steroids and drugs.
![Beckmann Rearrangement](https://drive.google.com/thumbnail?id=1Ehcyq9aZ5DAfkq5RVdnthSUuYq6kx5OD&sz=w404)
![Beckmann Rearrangement](https://drive.google.com/thumbnail?id=1083N7ZRWabbcPzRbxUWSUzypdvSuUR-i&s=w319)
In this rearrangement, migration of a group from carbon to electron deficient nitrogen takes place. The group which is trans to -OH group migrates from carbon atom to nitrogen atom, so the reaction is stereospecific.
Aldoximes, Oxime esters and ethers also undergo this rearrangement.
Mechanism of Beckmann Rearrangement
The following possible mechanism are given below-Applications of Beckmann Rearrangement
Some uses of Beckmann Rearrangement are given below-It is used in the production of the monomer unit of Nylon 6 and Nylon 12.
Schmidt reaction also involves Beckmann pathway.
It is mainly used in the synthesis of various steroids and drugs.