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Imine Metathesis by Silica-Supported Catalysts Using the Methodology of Surface Organometallic Chemistry
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Chemistry
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JoVE Journal Chemistry
Imine Metathesis by Silica-Supported Catalysts Using the Methodology of Surface Organometallic Chemistry

Imine Metathesis by Silica-Supported Catalysts Using the Methodology of Surface Organometallic Chemistry

DOI:
10.3791/59409-v

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09:37 min

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October 18, 2019

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, ,
1KAUST Catalysis Center, Division of Physical Sciences and Engineering,King Abdullah University of Science and Technology (KAUST)

Chapters

  • 00:04Title
  • 02:32Leak Check for all the High Vacuum Vessels and Their Connection to the HVL
  • 02:59Dehydroxylated Silica Preparation
  • 03:55Solvent Preparation (Removal of Oxygen & Moisture)
  • 04:35General Procedure for Grafting Metal Complexes on Dehydroxylated Silica using Hf(NMe2)4
  • 06:15Preparation of the Catalyst and Imine Metathesis Catalysis
  • 07:29Results: Characterization of New Heterogeneous Catalyst for Imine Metathesis
  • 08:58Conclusion

Summary

Automatic Translation

Automatic Translation

A new group IV metal catalyst for imine metathesis is prepared by grafting amine metal complex onto dehydroxylated silica. Surface metal fragments are characterized using FT-IR, elemental microanalysis, and solid-state NMR spectroscopy. Further dynamic nuclear polarization surface enhanced NMR spectroscopy experiments complement the determination of the coordination sphere.

Tags

Imine MetathesisSilica-supported CatalystsSurface Organometallic ChemistrySingle-site CatalystsCatalyst CharacterizationHigh-vacuum SystemSilica DehydroxylationFTIR Spectroscopy

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