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Issue 35, 2012
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A new, higher yielding synthetic route towards dodecaphenyl cage silsesquioxanes: synthesis and mechanistic insights

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Abstract

Cage dodecaphenylsilsesquioxane (T12-Phenyl) was synthesized in a one batch, mildly basic aqueous solution under room temperature conditions using a trialkoxysilane precursor. Significant improvements in synthetic yield (>95%) were observed compared with previous reports. Kinetic studies of the hydrolysis of phenyltrimethoxysilane were conducted and the condensation was monitored by 29Si NMR which revealed the presence of a transient, intermediary T1 species as the pathway to dodecaphenylsilsesquioxane spherulites, and the tendency for T12 structures over T8, T10, and other substructures was explained through MM2 simulations.

Graphical abstract: A new, higher yielding synthetic route towards dodecaphenyl cage silsesquioxanes: synthesis and mechanistic insights

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Publication details

The article was received on 22 Mar 2012, accepted on 11 Jun 2012 and first published on 25 Jul 2012


Article type: Paper
DOI: 10.1039/C2DT30659J
Citation: Dalton Trans., 2012,41, 10585-10588
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    A new, higher yielding synthetic route towards dodecaphenyl cage silsesquioxanes: synthesis and mechanistic insights

    A. S. Lee, S. Choi, H. S. Lee, K. Baek and S. S. Hwang, Dalton Trans., 2012, 41, 10585
    DOI: 10.1039/C2DT30659J

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