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Upstream product

• 38954-67-5 octyl (2,3,4,6-tetra-O-acetyl)-β-D-glucopyranoside 
• 111-87-5 octanol 
• 604-69-3 β-D-glucose pentaacetate 
• 572-09-8 2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide 
• 83-87-4 D-glucose pentaacetate 
• 108-24-7 acetic anhydride 
• 41444-50-2 n-octyl glucopyranoside 

Relevant academic research and scientific papers

Microwave-assisted synthesis of long-chain alkyl glucopyranosides

Long-chain (C6 to C16) alkyl glucopyranosides have been synthesized using microwave irradiation. Yields and anomeric ratios can be controlled under precise and short irradiation times (few min). Comparison with classical heating showed a better efficiency of microwaves.

N-Octyl (Thio)glycosides as Potential Cryoprotectants: Glass Transition Behaviour, Membrane Permeability, and Ice Recrystallization Inhibition Studies

A series of eight n-octyl (thio)glycosides (1α, β-4α, β) with d-glucose or d-galactose-configured head groups and varying anomeric configuration were synthesized and evaluated for glass transition behaviour, membrane permeability, and ice recrystallization inhibition (IRI) activity. Of these, n-octyl β-d-glucopyranoside (2β) exhibited a high glass transition temperatures (Tg), both as a neat sample and 20 wt-% aqueous solution. Membrane permeability studies of this compound revealed cellular uptake to concentrations relevant to the inhibition of intracellular ice formation, thus presenting a promising lead candidate for further biophysical and cryopreservation studies. Compounds were also evaluated as ice recrystallization inhibitors; however, no detectable activity was observed for the newly tested compounds.

Exploring the meaning of sugar configuration in a supramolecular environment: Comparison of six octyl glycoside micelles by ITC and NMR spectroscopy

A series of octyl α- and β-glycosides of the manno- galacto- and gluco-series were synthesized and employed in formation of homo- and hetero-micelles in water. Critical micelle concentrations (cmc), thermodynamic quantities of demicellation and, to some extent, the hydrodynamic radii of glycomicelles were determined by isothermal titration calorimetry (ITC) and diffusion NMR studies. The goal of this work was to determine the significance of anomeric configuration as well as of epimerisation at the sugar ring for supramolecular features of the respective glycoside. A new projection of glycoside structures is proposed to facilitate interpretation of structure-property relationships in this regard. This journal is the Partner Organisations 2014.

Efficient glycosylation of unprotected sugars using sulfamic acid: A mild eco-friendly catalyst

Sulfamic acid, a mild and environmentally benign catalyst has been successfully used in the Fischer glycosylation of unprotected sugars for the preparation alkyl glycosides. A diverse range of aliphatic alcohols have been used to prepare a series of alkyl glycosides in good to excellent yield.

Synthesis of sugar-based chelating surfactants for metal removal from wastewater

Four chelating surfactants were synthesized in a few steps from octyl d-glucosides. Their main interfacial properties were determined, and their flotation properties were evaluated on a laboratory scale using Fe(III) as a model contaminant metal. The performance on metal extraction was mainly dependent on the complexing functional group, but the surfactant efficiency was also important.

BF3 etherate-induced formation of C7-C 16-alkyl β-D-glucopyranosides

BF3 etherate-induced formation of C7-C 16-alkyl D-glucopyranosides is used as the key step in their synthesis from glucose and C7-C16-alkanols.

Synthesis of C7-C16-alkyl glycosides: Part I - Synthesis of alkyl D-glucopyranosides in the presence of tin (IV) chloride as a Lewis acid catalyst

The Lewis acid catalyzed glycosylation reaction of β-peracetylated sugar derivative (glucose) with fatty alkanols is used in a synthesis of C7-C16-alkyl glucopyranosides. The process occurs under the influence of tin (IV) chloride.

A convenient preparative method for the glucosides of fatty alcohols and sterols

The glucosides of simple fatty alcohols like n-octanol, n-triacoctanol and bcazyl alcohol as well as of cholesterol have been synthesised in very good yields (70-85 %) by reacting acetobromoglucose with zinc salts of the substrates, prepared in situ, and then deacetylating the glucoside peracetate. It is possible to obtain either of the anomers (α or β) selectively, by choosing appropriate reaction conditions.