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Oxidative C‐2 olefination of indoles/pyrrole via rhodium(III)‐catalyzed direct CH bond activation is reported. Phenolic OH and aniline NH 2 units were revealed to be effective chelating groups to activate the aryl CH bond. The reactions proceeded with excellent selectivity and high functional group tolerance, furnishing 2‐vinylindoles/2‐vinylpyrroles in good yields. magnified image
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Tang et al. (2014) studied this question.
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