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Silicon-Modified Carbohydrate Surfactants II: Siloxanyl Moieties Containing Branched Structures

✍ Scribed by R Wagner; L Richter; B Weiland; J Reiners; J Weissmüller

Publisher
John Wiley and Sons
Year
1996
Tongue
English
Weight
715 KB
Volume
10
Category
Article
ISSN
0268-2605

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✦ Synopsis

Branched siloxanyl-modified carbohydrate surfactants have been synthesized by coupling mono-, diand poly-functional siloxanes to carbohydrate units either via a branched spacer or by attaching a separate modifying element to a straight-chained structure. Hydrophilic as well as extremely hydrophobic elements have been incorporated successfully. Siloxanyl-modified carbohydrates bearing a secondary amino function were alkylated in regioselective reactions by different epoxides ranging from glycidol-to siloxanyl-modified ally1 glycidyl ether derivatives. Alternatively, carbohydrate-modified piperazinyl structures yielded cyclic subunits after alkylation. Structures bearing two identical hydrophilic groups are accessible by alkylation of carbohydrate-modified bisamides. The derivatives synthesized were characterized by means of GC, NMR and elemental analysis.

📜 SIMILAR VOLUMES

Silicon-Modified Carbohydrate Surfactant
Silicon-Modified Carbohydrate Surfactants I: Synthesis of Siloxanyl Moieties Containing Straight-chained Glycosides and Amides
✍ R Wagner; L Richter; R Wersig; G Schmaucks; B Weiland; J Weissmüller; J Reiners 📂 Article 📅 1996 🏛 John Wiley and Sons 🌐 English ⚖ 872 KB

New siloxanyl-modified carbohydrate surfactants of the amide and glycoside type have been synthesized by coupling between defined as well as highermolecular-weight siloxanes and carbohydrate structures via spacers of different lengths and hydrophilic power. Linear and branched monohydrogen di-, tri-