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Oxidation of Alkenes: Syn Dihydroxylation with Osmium Tetraoxide

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Preparation and Reactions of Sulfides

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Updated: May 24, 2026

In Situ SIMS and IR Spectroscopy of Well-defined Surfaces Prepared by Soft Landing of Mass-selected Ions

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Published on: June 16, 2014

Sulfoxidation on a SiO2-supported Ru complex using O2/aldehyde system.

Niladri Maity¹, Chularat Wattanakit, Satoshi Muratsugu

¹Institute for Molecular Science, Nishigo-naka, Myodaiji, Okazaki, Aichi 444-8585, Japan.

Dalton Transactions (Cambridge, England : 2003)

|February 23, 2012

Summary

A novel silica-supported ruthenium monomer complex efficiently catalyzes sulfoxidation reactions. This catalyst demonstrates enhanced reaction rates for various sulfide derivatives using an oxygen and aldehyde system.

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In Situ SIMS and IR Spectroscopy of Well-defined Surfaces Prepared by Soft Landing of Mass-selected Ions

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The Synthesis, Characterization and Reactivity of a Series of Ruthenium N-triphosPh Complexes

The Synthesis, Characterization and Reactivity of a Series of Ruthenium N-triphos^Ph Complexes

Published on: April 10, 2015

Area of Science:

Catalysis
Materials Science
Organic Chemistry

Background:

Sulfoxidation is a crucial transformation in organic synthesis.
Developing efficient and selective catalysts for sulfoxidation is an ongoing challenge.
Heterogeneous catalysts offer advantages in separation and reusability.

Purpose of the Study:

To synthesize and characterize a site-isolated silica-supported ruthenium (Ru) monomer complex.
To evaluate the catalytic activity of the Ru complex in sulfoxidation reactions.
To investigate the enhancement of sulfoxidation rates using an oxygen/aldehyde system.

Main Methods:

Structural characterization using solid-state Nuclear Magnetic Resonance (NMR), X-ray Photoelectron Spectroscopy (XPS), UV-visible (UV/vis) spectroscopy, and Ru K-edge Extended X-ray Absorption Fine Structure (EXAFS).
Catalytic testing for sulfoxidation of various sulfide derivatives using an O(2)/aldehyde system.
Kinetic studies to determine reaction rates.

Main Results:

The synthesized SiO(2)-supported Ru-monomer complex was successfully characterized.
The Ru complex exhibited high efficiency in sulfoxidation reactions.
Significant enhancement of sulfoxidation rates was observed for diverse sulfide substrates.

Conclusions:

Site-isolated SiO(2)-supported Ru-monomer complexes are effective catalysts for sulfoxidation.
The O(2)/aldehyde system in conjunction with the Ru catalyst provides an efficient method for sulfide oxidation.
This heterogeneous catalytic system shows promise for practical applications in organic synthesis.