fig18
![Application of sulfonium and sulfoxonium ylides in organocatalyzed asymmetric reaction](https://image.oaes.cc/2e87a9a0-e4ad-4eb1-a70b-eabf4d5148b8/5474.fig.18.jpg)
Figure 18. Chiral squaramide-catalyzed enantioselective H-N3 insertion of α-carbonyl sulfoxonium ylides. This figure is used with permission from the Royal Society of Chemistry[78].
Figure 18. Chiral squaramide-catalyzed enantioselective H-N3 insertion of α-carbonyl sulfoxonium ylides. This figure is used with permission from the Royal Society of Chemistry[78].
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