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Updated: Jun 12, 2026

Imine Metathesis by Silica-Supported Catalysts Using the Methodology of Surface Organometallic Chemistry
Published on: October 18, 2019
Thorpe-Ingold effect in organosilicon chemistry
1Department of Chemistry, National Taiwan University, Taipei, Taiwan106. tyluh@ntu.edu.tw
The Thorpe-Ingold effect explains how silicon substituents influence the conformation and photophysical properties of organosilicon copolymers. Tuning these substituents allows control over material characteristics for advanced applications.
Area of Science:
- Organosilicon Chemistry
- Photophysics
- Polymer Science
Background:
- Organosilicon compounds offer tunable properties through silicon substituents.
- Dialkylsilylene units can act as insulating spacers in conjugated copolymers.
- The Thorpe-Ingold effect is a concept used to explain conformational changes.
Purpose of the Study:
- To discuss recent advances in applying the Thorpe-Ingold effect to organosilicon chemistry.
- To rationalize the photophysical properties of dialkylsilylene-spaced conjugated chromophores.
- To explore the influence of silicon substituents on copolymer conformation and properties.
Main Methods:
- Conceptual analysis of the Thorpe-Ingold effect in organosilicon systems.
- Review of synthetic strategies for dialkylsilylene-containing copolymers.
- Correlation of substituent effects with observed photophysical properties.
Main Results:
- Silicon moieties function as insulating tetrahedral spacers.
- Substituents on silicon can be readily tuned.
- The steric environment around silicon dictates copolymer conformation (helicity).
- This conformational control influences photophysical properties.
Conclusions:
- The Thorpe-Ingold effect provides a framework for understanding substituent effects in organosilicon copolymers.
- Tuning silicon substituents offers a method to control copolymer conformation and photophysical behavior.
- This approach is valuable for designing novel silicon-containing materials with specific optical properties.
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