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Mono(Silylene)-Stabilized Borylenes for Small Molecule Activation.

Ashim Tamuli1, Ashwini K Phukan1

  • 1Department of Chemical Sciences, Tezpur University, Tezpur, Assam, India.

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|January 30, 2026
PubMed
Summary
This summary is machine-generated.

Researchers designed novel borylenes stabilized by silylenes, demonstrating their potential for activating strong E-H bonds and binding small molecules like CO and N2, with competitive or improved performance over existing borylenes.

Keywords:
DFTEDA‐NOCVbase‐stabilized borylenesilylenesmall molecule activation

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Area of Science:

  • Organometallic Chemistry
  • Main Group Chemistry
  • Computational Chemistry

Background:

  • Base-stabilized borylenes are known but isolable mono(Lewis base)-stabilized variants are rare.
  • Silylenes offer unique Lewis base properties for stabilizing reactive boron species.

Purpose of the Study:

  • To design and investigate novel mono(Lewis base)-stabilized borylenes using silylenes as the Lewis base.
  • To evaluate their potential in activating strong E-H bonds and coordinating small molecules.

Main Methods:

  • Quantum chemical calculations were employed to design and analyze the electronic properties of the borylenes.
  • Computational studies assessed the activation barriers for E-H bond splitting (E = H, CH3, NHPh).
  • Binding affinities for carbon monoxide (CO) and dinitrogen (N2) were computationally investigated.

Main Results:

  • Designed borylenes exhibit significant donor and acceptor capabilities.
  • Calculations indicate competitive or superior performance in E-H bond activation compared to known borylenes.
  • Effective binding of CO and N2 molecules was computationally demonstrated.

Conclusions:

  • Novel silylene-stabilized borylenes show promise as versatile reactive intermediates.
  • These designed borylenes offer a new platform for small molecule activation and coordination chemistry.
  • Computational results suggest these systems could rival or surpass existing stabilized borylenes in reactivity.