question_answer

In the reaction shown below, the major product(s) formed is/are 

A)

B)

C)

D)

Correct Answer: A

Solution :

[a] \[-\overset{\bullet \bullet }{\mathop{N}}\,{{H}_{2}}\] group is acetylated by acetic anhydride in methylene chloride (solvent). Note that \[-CON{{H}_{2}}\] group does not undergo acetylation because here lone pair of electrons is delocalised.