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Selective synthesis of amphiphilic hydroxyalkylethers of disaccharides over solid basic catalysts: Influence of the superficial hydrophilic–lipophilic balance of the catalyst

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Title: Selective synthesis of amphiphilic hydroxyalkylethers of disaccharides over solid basic catalysts: Influence of the superficial hydrophilic–lipophilic balance of the catalyst
Authors: Villandier, Nicolas1, Adam, Isabelle1, Jérôme, François1 francois.jerome@univ-poitiers.fr, Barrault, Joël1, Pierre, Ronan2, Bouchu, Alain3, Fitremann, Juliette2, Queneau, Yves2 yves.queneau@insa-lyon.fr
Source: Journal of Molecular Catalysis A: Chemistry. Nov2006, Vol. 259 Issue 1/2, p67-77. 11p.
Subjects: Chemical inhibitors, Surface active agents, Polyols, Catalysts
Abstract: Abstract: The direct etherification of three disaccharidic polyols, sucrose, trehalose and isomalt®, with 1,2-epoxydodecane was studied. The catalytic activity of various solid basic catalysts, differing by their superficial hydrophilic–lipophilic properties, was investigated. Disaccharide hydroxyalkylethers yields greater than 90% were obtained in a DMSO–water mixture in the presence of the recoverable PS–NOH solid catalyst. The regioselectivity of the reaction was fully investigated by HPLC and NMR. [Copyright &y& Elsevier]
Copyright of Journal of Molecular Catalysis A: Chemistry is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 22797559
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Selective synthesis of amphiphilic hydroxyalkylethers of disaccharides over solid basic catalysts: Influence of the superficial hydrophilic–lipophilic balance of the catalyst
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  Data: <searchLink fieldCode="AR" term="%22Villandier%2C+Nicolas%22">Villandier, Nicolas</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Adam%2C+Isabelle%22">Adam, Isabelle</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Jérôme%2C+François%22">Jérôme, François</searchLink><relatesTo>1</relatesTo><i> francois.jerome@univ-poitiers.fr</i><br /><searchLink fieldCode="AR" term="%22Barrault%2C+Joël%22">Barrault, Joël</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Pierre%2C+Ronan%22">Pierre, Ronan</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Bouchu%2C+Alain%22">Bouchu, Alain</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Fitremann%2C+Juliette%22">Fitremann, Juliette</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Queneau%2C+Yves%22">Queneau, Yves</searchLink><relatesTo>2</relatesTo><i> yves.queneau@insa-lyon.fr</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Molecular+Catalysis+A%3A+Chemistry%22">Journal of Molecular Catalysis A: Chemistry</searchLink>. Nov2006, Vol. 259 Issue 1/2, p67-77. 11p.
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  Data: <searchLink fieldCode="DE" term="%22Chemical+inhibitors%22">Chemical inhibitors</searchLink><br /><searchLink fieldCode="DE" term="%22Surface+active+agents%22">Surface active agents</searchLink><br /><searchLink fieldCode="DE" term="%22Polyols%22">Polyols</searchLink><br /><searchLink fieldCode="DE" term="%22Catalysts%22">Catalysts</searchLink>
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  Data: Abstract: The direct etherification of three disaccharidic polyols, sucrose, trehalose and isomalt®, with 1,2-epoxydodecane was studied. The catalytic activity of various solid basic catalysts, differing by their superficial hydrophilic–lipophilic properties, was investigated. Disaccharide hydroxyalkylethers yields greater than 90% were obtained in a DMSO–water mixture in the presence of the recoverable PS–NOH solid catalyst. The regioselectivity of the reaction was fully investigated by HPLC and NMR. [Copyright &y& Elsevier]
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  Data: <i>Copyright of Journal of Molecular Catalysis A: Chemistry is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=egs&AN=22797559
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        Value: 10.1016/j.molcata.2006.06.008
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              Text: Nov2006
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