<p>A metal- and light-free carbenoid C–H insertion procedure has been developed, enabling the rapid construction of various fluorenes with quaternary carbon centers. This methodology exhibits exceptional functional group tolerance, enabling the incorporation of a wide range of both activated and non-activated electrophiles.</p> Graphical abstract <p></p>

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Metal-free carbenoid C–H insertion: a versatile strategy for constructing fluorenes with quaternary carbon centers

  • Lili Wu,
  • Qiuzhan Huang,
  • Cong-Ying Zhou,
  • Chengming Wang

摘要

A metal- and light-free carbenoid C–H insertion procedure has been developed, enabling the rapid construction of various fluorenes with quaternary carbon centers. This methodology exhibits exceptional functional group tolerance, enabling the incorporation of a wide range of both activated and non-activated electrophiles.

Graphical abstract