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Updated: Apr 22, 2026
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Imine Metathesis by Silica-Supported Catalysts Using the Methodology of Surface Organometallic Chemistry
Published on: October 18, 2019
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Synthesis, structures, and reactivity of the base-stabilized silanone molybdenum complexes
Takako Muraoka1, Keisuke Abe, Haruhiko Kimura
1Division of Molecular Science, Graduate School of Science and Technology, Gunma University, Kiryu 376-8515, Japan. ueno@gunma-u.ac.jp.
Dalton Transactions (Cambridge, England : 2003)
|October 14, 2014
Summary
New base-stabilized silanone molybdenum complexes were synthesized. These complexes were formed by oxygenating the M=Si bond in silyl(silylene)molybdenum complexes using PNO and a Lewis base.
Area of Science:
- Organometallic Chemistry
- Silicon Chemistry
- Coordination Chemistry
Background:
- Silylene complexes are versatile precursors in silicon chemistry.
- Molybdenum complexes offer unique reactivity for bond activation.
- Understanding the stabilization of silicon-oxygen bonds is crucial.
Purpose of the Study:
- To synthesize novel base-stabilized silanone molybdenum complexes.
- To investigate the oxygenation of metal-silicon multiple bonds.
- To explore the reactivity of these complexes with Lewis bases.
Main Methods:
- Synthesis of silyl(silylene)molybdenum complexes.
- Oxygenation of the Mo=Si bond using PNO (2,4,6-trimethylpyridine N-oxide).
- Coordination of Lewis bases (L) including PMe3 (trimethylphosphine).
Main Results:
- Successful synthesis of base-stabilized silanone molybdenum complexes.
- Demonstration of oxygen atom transfer to the Mo=Si bond.
- Conversion of a PNO-coordinated silanone complex to a specific cis-Mo complex with excess PMe3.
Conclusions:
- Base-stabilized silanone molybdenum complexes can be effectively synthesized.
- The PNO ligand facilitates the formation of silanone complexes.
- Further functionalization of silanone complexes is achievable with different Lewis bases.
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