With the optimized reaction conditions in hand, we sought to investigate the scope of reaction with respect to the ketone, aniline, and sulfonyl azide. First, different substituents on the aniline were examined revealing a broad scope of electron-donating or electron-withdrawing groups at the ortho, meta and para positions (Figure . examples 2a, 2e-2n). Aliphatic amines were also compatible with the reaction conditions (Figure . examples 2o and 2p). Next, we tested electron-donating and electron-withdrawing sulfonyl azides, which were tolerated under reaction conditions (Figure . examples 2b-2d). The ketone scope was also broad, electron-withdrawing and electron-donating substituents provided good yields for meta and para substituted ketones, whereas substituents at the ortho position afforded diminished yields (Figure . examples 2q-2x). Finally, aliphatic, and benzylic ketones led to reasonable yields under our reaction conditions (Figure . examples 2y and 2z). In the following section we discuss several of the trends that appear in the substrate scope.