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Access to Highly Luminescent N-Doped Diazaborepins with Penta-, Hexa-, and Heptagon Substructures.

Chenglong LiYafei ShiPengfei LiNiu ZhangNan WangXiaodong YinPangkuan Chen
Published in: Organic letters (2021)
Two diazaborepins (BNN1 and BNN2) have been accomplished via a highly efficient pathway in the step-economic transformation. Oxidative dimerization of carbazole derivatives followed by borylation reaction gave heterocyclic diazaborepin as the key building block. Replacement of carbon moiety in traditional borepins with N-N functionality led to a significant red shift of their emissions up to 585 nm with strong red color as solids. This work offered an approach to diazaborepin-based materials for applications in light-emitting field.
Keyphrases
  • light emitting
  • highly efficient
  • life cycle
  • quantum dots
  • metal organic framework
  • municipal solid waste
  • photodynamic therapy