Issue 37, 2013
From the journal:

Dalton Transactions

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

V. Ervithayasuporn,*ab   N. Pornsamutsin,a   P. Prangyoo,a   K. Sammawutthichai,a   T. Jaroentomeechai,a   C. Phuratc  and  T. Teerawatananondc  

* Corresponding authors

a Department of Chemistry and Center of Excellence for Innovation in Chemistry (PERCH-CIC), Faculty of Science, Mahidol University, Rama VI Road, Ratchathewi, Bangkok 10400, Thailand
E-mail: vuthichai.erv@mahidol.ac.th

b Capability Building Unit for Nanoscience and Nanotechnology, Faculty of Science, Mahidol University, Rama VI road, Ratchathewi, Bangkok 10400, Thailand

c Biomaterials and Bioorganic Chemistry Research group, Department of Chemistry, Faculty of Science, Chulalongkorn University, Phayathai Road, Pathumwan, Bangkok 10330, Thailand

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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Article information

DOI
https://doi.org/10.1039/C3DT51373D
Article type
Paper
Submitted
28 May 2013
Accepted
31 May 2013
First published
05 Jun 2013

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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