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<p>Developing cost-effective and environmentally friendly approaches to synthesize brominated chemicals, which are important intermediates for the synthesis of various useful molecules such as pharmaceuticals, surfactants, pesticides, and biologically active heterocyclic compounds, is of great significance. Herein, we present a highly efficient electrochemical bromine evolution reaction over vacancy rich Co<sub>3</sub>O<sub>4</sub> using cheap NaBr as the bromine source for the synthesis of valuable brominated fine chemicals and pharmaceuticals under ambient conditions. The introduction of oxygen vacancy onto Co<sub>3</sub>O<sub>4</sub> can greatly enhance the activity and selectivity of bromine evolution reaction by optimizing Br* intermediate adsorption and desorption, enabling bromination of a series of bioactive molecules and pharmaceuticals at high yields.</p>

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Scalable and efficient electrochemical bromination of arenes with Faradaic efficiencies surpassing 90%

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年3月28日

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  • Bing Zhang,
  • Wei Liu,
  • Zhu Liu,
  • Yuhou Pei,
  • Di Li,
  • Hongbin Yang,
  • Chuntian Qiu,
  • Yang Fan,
  • Yinghua Xu,
  • Jie Ding,
  • Lei Yu,
  • Bin Liu,
  • Chenliang Su

摘要

Developing cost-effective and environmentally friendly approaches to synthesize brominated chemicals, which are important intermediates for the synthesis of various useful molecules such as pharmaceuticals, surfactants, pesticides, and biologically active heterocyclic compounds, is of great significance. Herein, we present a highly efficient electrochemical bromine evolution reaction over vacancy rich Co3O4 using cheap NaBr as the bromine source for the synthesis of valuable brominated fine chemicals and pharmaceuticals under ambient conditions. The introduction of oxygen vacancy onto Co3O4 can greatly enhance the activity and selectivity of bromine evolution reaction by optimizing Br* intermediate adsorption and desorption, enabling bromination of a series of bioactive molecules and pharmaceuticals at high yields.