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Preparation and Reactions of Sulfides

Preparation and Reactions of Sulfides

Sulfides are the sulfur analog of ethers, just as thiols are the sulfur analog of alcohol. Like ethers, sulfides also consist of two hydrocarbon groups bonded to the central sulfur atom. Depending upon the type of groups present, sulfides can be symmetrical or asymmetrical. Symmetrical sulfides can be prepared via an SN2 reaction between 2 equivalents of an alkyl halide and one equivalent of sodium sulfide.

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Updated: Nov 2, 2025

A Technique to Functionalize and Self-assemble Macroscopic Nanoparticle-ligand Monolayer Films onto Template-free Substrates

A Technique to Functionalize and Self-assemble Macroscopic Nanoparticle-ligand Monolayer Films onto Template-free Substrates

Published on: May 9, 2014

Surface chemical reactions on self-assembled silane based monolayers.

Limin Wang¹, Ulrich S Schubert, Stephanie Hoeppener

¹Laboratory of Organic Chemistry and Macromolecular Chemistry (IOMC), Friedrich Schiller University, Humboldtstr. 10, 07743 Jena, Germany.

Chemical Society Reviews

|June 8, 2021

Summary

This review updates recent advances in chemically modifying silane-based self-assembled monolayers for tailored surface properties. It covers new surface reactions for functionalizing silicon and glass substrates over the last decade.

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Attaching Biological Probes to Silica Optical Biosensors Using Silane Coupling Agents

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Published on: May 1, 2012

Area of Science:

Surface Chemistry
Materials Science
Nanotechnology

Background:

Self-assembled monolayers (SAMs) are crucial for modifying surface properties of various substrates.
Previous reviews, including the 2010 edition, have guided research in silane-based SAMs.
Significant advancements in SAMs necessitate an updated review of chemical modification techniques.

Purpose of the Study:

To provide a comprehensive update on the chemical modification of silane-based SAMs.
To highlight new surface reaction processes developed in the last decade.
To serve as a guide for researchers in tailoring solid substrate surface properties.

Main Methods:

Review of literature published within the last 10 years focusing on silane-based SAMs.
Focus on chemical reactions applied to hydroxyl-terminated substrates (e.g., silicon, glass).
Categorization of modification techniques including nucleophilic substitution, click chemistry, supramolecular modification, and photochemical reactions.

Main Results:

Significant improvements in utilizing chemical functionalities within SAMs.
Introduction of novel chemical surface reactions for substrate property tailoring.
Demonstrated effectiveness of various chemical reactions in modifying hydroxyl-terminated surfaces.

Conclusions:

The field of silane-based SAMs has rapidly evolved, offering enhanced surface functionalization.
New chemical strategies provide powerful tools for precise control over surface properties.
This review consolidates recent developments, guiding future research in surface modification.