Issue 6, 2007
From the journal:

New Journal of Chemistry

Direct synthesis of ordered mesoporous silica containing iodopropyl groups. A useful function for chemical modifications

Johan Alauzun,a   Ahmad Mehdi,*a   Catherine Reyéa  and  Robert Corriu*a  

* Corresponding authors

a Institut Charles Gerhardt, UMR 5253 CNRS, Chimie Moléculaire et Organisation du Solide, Université Montpellier II, Place E. Bataillon, Montpellier Cedex 5, France
E-mail: ahmad.mehdi@univ-montp2.fr
Fax: +33 4 6714 3852
Tel: +33 4 6714 3038

Abstract

In this paper, we report a clever approach permitting, in one step, the synthesis of ordered (hexagonal phase) mesoporous silica functionalized with iodopropyl groups [I(CH2)3] located in the pore channels. This material was obtained by the hydrolysis and co-condensation of tetraethylorthosilicate (TEOS) and iodopropyltriethoxysilane (I(CH2)3Si(OEt)3) in the presence of P123 as a non-ionic structure-directing agent and hydrogen iodide as an acid catalyst. All materials were characterised by X-ray diffraction measurements, transmission electron spectroscopy, nitrogen adsorption analyses, elemental analyses, and solid-state 13C and 29Si NMR spectroscopy. The accessibility and reactivity of this functional group was investigated, showing the advantage of the iodo group for the introduction of bulky or hydrophilic groups.

Graphical abstract: Direct synthesis of ordered mesoporous silica containing iodopropyl groups. A useful function for chemical modifications

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Article information

DOI
https://doi.org/10.1039/B703155F
Article type
Paper
Submitted
01 Mar 2007
Accepted
13 Mar 2007
First published
30 Mar 2007

New J. Chem., 2007,31, 911-915

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Direct synthesis of ordered mesoporous silica containing iodopropyl groups. A useful function for chemical modifications

J. Alauzun, A. Mehdi, C. Reyé and R. Corriu, New J. Chem., 2007, 31, 911 DOI: 10.1039/B703155F

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