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Synthesis and Characterization of Supramolecular Colloids
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A facile method of synthesis of asymmetric hollow silica spheres

Junjie Yuan1, Zhengqi Wang

  • 1Institute of Functional Polymer Materials, Key Laboratory of Advanced Civil Engineering Materials, School of Materials and Engineering, Tongji University, Shanghai 20092, China. yuanjunjie@tongji.edu.cn

Journal of Colloid and Interface Science
|July 5, 2011
PubMed

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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.