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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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Lead(II) Siloxides
Adrian-Alexandru Someşan1, Erwann Le Coz2, Ciprian Ionuţ Raţ1
1Supramolecular Organic and Organometallic Chemistry Centre, Chemistry Department, Faculty of Chemistry and Chemical Engineering, Babeş-Bolyai University, Cluj-Napoca, 400028, Romania.
Chemistry (Weinheim an Der Bergstrasse, Germany)
|October 17, 2019
Summary
New lead(II) siloxide complexes, including a stable dinuclear compound, were synthesized. These findings challenge previous understanding of lead siloxide decomposition pathways and stability.
Area of Science:
- Inorganic Chemistry
- Organometallic Chemistry
- Materials Science
Background:
- Lead(II) siloxides were previously known to decompose into oxoclusters.
- The stability and decomposition pathways of lead siloxides required further investigation.
Purpose of the Study:
- To synthesize and characterize novel lead(II) siloxide complexes.
- To investigate the bonding and stability of a new dinuclear lead siloxide.
- To establish decomposition pathways for lead siloxides.
Main Methods:
- Synthesis of novel lead(II) siloxide complexes.
- Crystallographic analysis of dinuclear lead siloxide.
- Computational methods to study bonding patterns.
Main Results:
- Synthesis of [{ROF }PbOSi(SiMe3 )3 ] and [Pb2 {OSi(SiMe3 )3 }{μ2 -OSi(SiMe3 )3 }3 ] complexes.
- The dinuclear complex exhibits unusual bonding and high thermal stability.
- Established decomposition pathways for previously elusive lead(II) bis(triphenylsiloxide).
Conclusions:
- The synthesized dinuclear lead siloxide represents a significant advancement in understanding lead siloxide chemistry.
- The high stability of the dinuclear complex contrasts with the known instability of simpler lead siloxides.
- This work provides new insights into the structural diversity and reactivity of lead siloxides.
Keywords:
bulky siloxidesdecomposition pathwaylead(II) oxoclusterlead(II) siloxidestriphenyl siloxideMore Related Videos
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