One-Pot Reaction with Bifunctional Mesoporous Organosilicas

S. Shylesh; A. Wagener; A. Seifert; S. Ernst; W. R. Thiel

doi:10.1055/s-0029-1219738

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Synfacts 2010(5): 0611-0611
DOI: 10.1055/s-0029-1219738

Polymer-Supported Synthesis

One-Pot Reaction with Bifunctional Mesoporous Organosilicas

Contributor(s): Yasuhiro Uozumi, Tsubasa Muto
S. Shylesh*, A. Wagener, A. Seifert, S. Ernst, W. R. Thiel*
TU Kaiserslautern and TU Chemnitz, Germany

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Publication History

Publication Date:
22 April 2010 (online)

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Significance

Bifunctional mesoporous organosilicas having organic amines and sulfonic acid groups (PMO-SO₃H-NH₂) were prepared from 1,4-bis(triethoxysilyl)benzene via the sequence shown in the first scheme. The PMO-SO₃H-NH₂ promoted one-pot deacetalization-nitroaldol reaction of benzaldehyde dimethyl acetal with nitromethane to give nitrostyrene in 97.5% yield.