fig19
![Application of sulfonium and sulfoxonium ylides in organocatalyzed asymmetric reaction](https://image.oaes.cc/2e87a9a0-e4ad-4eb1-a70b-eabf4d5148b8/5474.fig.19.jpg)
Figure 19. Chiral phosphoric acid-catalyzed C-H insertion reactions of α-carbonyl sulfoxonium ylides to indoles. This figure is used with permission from the American Chemical Society[79].
Figure 19. Chiral phosphoric acid-catalyzed C-H insertion reactions of α-carbonyl sulfoxonium ylides to indoles. This figure is used with permission from the American Chemical Society[79].
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