Which of the following mechanistic steps represents a nucleophilic attack?
A) I
B) II
C) III
D) IV

Name: Which of the following mechanistic steps represents a nucleophilic attack? A) I B) II C) III D) IV
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Question

Which of the following mechanistic steps represents a nucleophilic attack? 
A) I 
B) II 
C) III 
D) IV

Quizplus · Accepted Answer

Mechanistic step II involves a nucleophilic attack, as the lone pair on the nitrogen of the amine group attacks the electrophilic carbon of the carbonyl group. The other steps involve either proton transfer or rearrangement.

Which of the Following Mechanistic Steps Represents a Nucleophilic Attack