Metal-free Oxidative Spirocyclization of Pyrrole-2-carboxamides

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A new reaction shows potential to produce spirooxindole derivatives from pyrrole-2-carboxamides, highlighting efficient transformations.

The reaction successfully synthesizes 3,3'-pyrrolidinyl spirooxindole derivatives from pyrrole-2-carboxamides.
Key evidence shows dual functionality of Selectfluor as an oxidizing and fluorinating agent.
Catalyst-free oxidative spirocyclization provides advantages like simple operation and mild conditions.
This method may enable efficient transformation into hydrogenated spiroindoles.

Zhao et al. (2025) studied this question.

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