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Bromination of octaphenylsilsesquioxane

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Silicon Chemistry

Abstract

The bromination and characterization of octaphenylsilsesquioxane is reported. The reaction is successful with a variety of methods, including microwave assisted synthesis. The analysis of the obtained product mix was carried out with a combination of high performance liquid chromatography and matrix assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF-MS). The analysis indicates that the bromination leads to multiple bromines per octaphenylsilsesquioxane molecule with a distribution dominated by statistical odds and the reaction conditions. The results showed that the bromination is not selective and does not lead to a single defined product.

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Abbreviations

MALDI-TOF-MS:

matrix assisted laser desorption ionization time-of-flight mass spectra

POSS:

polyhedral oligomeric silsesquioxane

OPS:

octaphenylsilsesquioxane

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Authors and Affiliations

  1. GE Global Research Center, One Research Circle, Niskayuna, NY, 12309, USA

    Christoph Erben, Hans Grade & Gregory D. Goddard

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  1. Christoph Erben
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  2. Hans Grade
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  3. Gregory D. Goddard
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Correspondence to Christoph Erben.

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Erben, C., Grade, H. & Goddard, G.D. Bromination of octaphenylsilsesquioxane. Silicon Chem 3, 43–49 (2006). https://doi.org/10.1007/s11201-005-9000-5

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  • DOI: https://doi.org/10.1007/s11201-005-9000-5

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