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i know that in the mechanism of the hofmann rearrangement occurs in two steps which are simultaneous.But im confused that how an electron-releasing substituents can affect the rate of the overall reactions....and also tell me that the reaction undergoes in two ways-(1)by Sn¹ (2)by Sn²?????

adveetya kachiar , 13 Years ago
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vikas askiitian expert

Last Activity: 13 Years ago

this step follows SN2 path .....electron releasing group can increase electron dencity on nitrogen so such groups

can increase rate ....

SAGAR SINGH - IIT DELHI

Last Activity: 13 Years ago

Dear student,

Acid amides on reaction with bromine in the presence of alkalis at about 343 K give primary amines.

 

example for hoffmann s bromamide reaction

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