Theoretical Analysis of the Mechanism of the 1,3-Dipolar Cycloaddition of Benzodiazepine with N-Aryl-C-ethoxycarbonylnitrilimine

Figure 5

Proposed mechanisms for the DC reaction of benzodiazepine 1 and dipole D1. (a) Approach 1. (b) Approach 2.

(a)

(b)