fig19

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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