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Page 12 of 20 Wang et al. Chem Synth 2023;3:12 https://dx.doi.org/10.20517/cs.2023.01
Figure 14. Cooperative copper-bifunctional squaramide catalysis for the asymmetric N-H insertion reactions of α-carbonyl sulfoxonium
ylides and anilines. This figure is used with permission from the Royal Society of Chemistry [72] .
Figure 15. Chiral phosphoric acid-catalyzed enantioselective N-H insertion reactions of α-carbonyl sulfoxonium ylides. This figure is
used with permission from the Royal Society of Chemistry [73] .
Figure 16. Visible-light-induced organocatalytic enantioselective N-H insertion of α-diazoesters with in situ generated sulfoxonium
ylides. This figure is used with permission from the Royal Society of Chemistry [76] .
