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Issue 37, 2013
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One-pot synthesis of halogen exchanged silsesquioxanes: octakis(3-bromopropyl)octasilsesquioxane and octakis(3-iodopropyl)octasilsesquioxane

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Abstract

Metal halides, solvent effects, phase transfer catalysts, alkylating agent and reaction times were found to have important roles to complete halogen exchange reactions in “one pot” synthesis, starting from octakis(3-chloropropyl)octasilsesquioxane to obtain more reactive halide compounds: octakis(3-bromopropyl)octasilsesquioxane and octakis(3-iodopropyl)octasilsesquioxane. To confirm the complete halogen exchange, the desired products were characterized by 1H, 13C and 29Si NMR spectroscopy, ESI-MS, elemental analysis and single-crystal X-ray diffraction analysis.

Graphical abstract: One-pot synthesis of halogen exchanged silsesquioxanes: octakis(3-bromopropyl)octasilsesquioxane and octakis(3-iodopropyl)octasilsesquioxane

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Publication details

The article was received on 28 May 2013, accepted on 31 May 2013 and first published on 05 Jun 2013


Article type: Paper
DOI: 10.1039/C3DT51373D
Citation: Dalton Trans., 2013,42, 13747-13753
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    One-pot synthesis of halogen exchanged silsesquioxanes: octakis(3-bromopropyl)octasilsesquioxane and octakis(3-iodopropyl)octasilsesquioxane

    V. Ervithayasuporn, N. Pornsamutsin, P. Prangyoo, K. Sammawutthichai, T. Jaroentomeechai, C. Phurat and T. Teerawatananond, Dalton Trans., 2013, 42, 13747
    DOI: 10.1039/C3DT51373D

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