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Among the following which one does not a...

Among the following which one does not act as an intermediate in hofmann rearrangement

A

`RNCO`

B

`RCO overset(..)N`

C

`RCO overset(..)NHBr`

D

`RNC`

Text Solution

Verified by Experts

The correct Answer is:
D
(i) `overset(O)overset(||)(RCNH_(2))+Br_(2)+KOHrarrRCONHBr+KBr+H_(2)O`
(ii) `RCONHBr+KOHrarrRNCO+KBr+H_(2)O`
(iii) `RNCO+2KOHrarrRNH_(2)+K_(2)CO_(3)`
`RCONH_(3)+Br_(2)+4KOHrarrRNH_(2)+2KBr+K_(2)CO_(3)+2H_(2)O`
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