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Boron Cluster Functionalization: From Vertex-Specific Modifications to Boron Cage Extension.

Ke-Xin Yan1, Ruo-Xuan Yan1, Zi-Wen Wang1

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|July 24, 2025
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This review explores novel hybrid polycyclic conjugates formed by extending boron cages. These advanced molecular structures offer enhanced diversity for materials science and pharmacology applications.

Keywords:
B–H bond activationboron cage extensionboron clusterscarboranespolycyclic

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Area of Science:

  • Materials Science
  • Pharmacology
  • Supramolecular Chemistry

Background:

  • Polycyclic molecular systems are vital in materials science and pharmacology, typically featuring 2D aromatic rings.
  • Boron clusters (carboranes) are 3D aromatic structures with functionalizable C/B-H bonds.
  • Extending boron cages creates hybrid polycyclic conjugates with unique properties.

Purpose of the Study:

  • To review recent advancements in modifying and extending boron cages.
  • To highlight synthetic strategies for creating hybrid polycyclic conjugates.
  • To explore structure-property relationships in these novel boron-based systems.

Main Methods:

  • Focus on synthetic strategies for boron cage functionalization.
  • Review of methods for boron cage extension.
  • Analysis of structure-property relationships in hybrid conjugates.

Main Results:

  • Significant progress in boron cage modification and extension techniques.
  • Development of diverse carborane derivatives through C/B-H bond functionalization.
  • Emerging understanding of structure-property correlations in hybrid polycyclic conjugates.

Conclusions:

  • Hybrid polycyclic conjugates derived from boron clusters represent a promising frontier.
  • These molecules offer enhanced structural diversity for advanced applications.
  • Continued research in synthesis and property analysis is crucial for future development.