Wolff rearrangement /,brgt When a-Diazoketones are photo -irradiated or heated at high temperature or reacted with silver oxide or silver salts at room temperature, they losse nitrogen and rearrange to form ketene.
The ketenes reacts rapidly with water, alcohol and amines. Therefore, the reactions called Wolff-rearrangment.
`Ph-underset(14)overset(O)overset(||)C-CHN_(2)underset(H_(2)O)overset(CH_(3)OH)rarr(A)`, Product (A) is :
A. `Ph-overset(14)CH_(2)-Co_(2)H`
B. `Ph-CH_(2)-overset(14)Co_(2)H`
C. `Ph-overset(14)Co_(2)H`
D. `Ph-Co_(2)H`