23094-75-9Relevant academic research and scientific papers
Synthesis and Lipophilicity of Trifluorinated Analogues of Glucose
St-Gelais, Jacob,Bouchard, Megan,Denavit, Vincent,Giguère, Denis
, p. 8509 - 8522 (2019)
In this work, we have developed synthetic routes for novel trifluorinated glucopyranose analogues using a Chiron approach. This strategy used inexpensive levoglucosan as a starting material, and we achieved a microwave glycosylation method as a key step. All analogues adopted standard 4C1 glucopyranose conformations, and a gauche-gauche conformation for the fluoromethyl group (C5-C6 linkage) was ascertained for congeners with a fluorine atom at C-6. Finally, the lipophilicity of trifluorinated glucose analogues was assessed with a log P determination method based on 19F NMR spectroscopy.
Stereoselective Synthesis of Fluorinated Galactopyranosides as Potential Molecular Probes for Galactophilic Proteins: Assessment of Monofluorogalactoside–LecA Interactions
Denavit, Vincent,Lainé, Danny,Bouzriba, Chahrazed,Shanina, Elena,Gillon, émilie,Fortin, Sébastien,Rademacher, Christoph,Imberty, Anne,Giguère, Denis
supporting information, p. 4478 - 4490 (2019/03/07)
The replacement of hydroxyl groups by fluorine atoms on hexopyranoside scaffolds may allow access to invaluable tools for studying various biochemical processes. As part of ongoing activities toward the preparation of fluorinated carbohydrates, a systematic investigation involving the synthesis and biological evaluation of a series of mono- and polyfluorinated galactopyranosides is described. Various monofluorogalactopyranosides, a trifluorinated, and a tetrafluorinated galactopyranoside have been prepared using a Chiron approach. Given the scarcity of these compounds in the literature, in addition to their synthesis, their biological profiles were evaluated. Firstly, the fluorinated compounds were investigated as antiproliferative agents using normal human and mouse cells in comparison with cancerous cells. Most of the fluorinated compounds showed no antiproliferative activity. Secondly, these carbohydrate probes were used as potential inhibitors of galactophilic lectins. The first transverse relaxation-optimized spectroscopy (TROSY) NMR experiments were performed on these interactions, examining chemical shift perturbations of the backbone resonances of LecA, a virulence factor from Pseudomonas aeruginosa. Moreover, taking advantage of the fluorine atom, the 19F NMR resonances of the monofluorogalactopyranosides were directly monitored in the presence and absence of LecA to assess ligand binding. Lastly, these results were corroborated with the binding potencies of the monofluorinated galactopyranoside derivatives by isothermal titration calorimetry experiments. Analogues with fluorine atoms at C-3 and C-4 showed weaker affinities with LecA as compared to those with the fluorine atom at C-2 or C-6. This research has focused on the chemical synthesis of “drug-like” low-molecular-weight inhibitors that circumvent drawbacks typically associated with natural oligosaccharides.
The synthesis of mono- and difluorinated 2,3-dideoxy-d-glucopyranoses
Mtashobya, Lewis,Quiquempoix, Lucas,Linclau, Bruno
, p. 92 - 96 (2015/03/04)
The synthesis of 2,3-dideoxy-2,3-difluoro-d-glucose and 2,3-dideoxy-3-fluoro-d-glucose is reported in, respectively, 5 and 6 steps from d-glucal, using a fluorination strategy.
Synthesis of a dual-purpose 2-deoxy-2-fluoro-glucopyranosyl building block
Viuff, Agnete H.,Hansen, Jacob C.,Christiansen, Anja B.,Jensen, Henrik H.
, p. 1557 - 1562 (2013/06/05)
We demonstrate a straightforward route to 1,3,6-tri-O-acetyl-4-O-benzyl-2- deoxy-2-fluoro-D-glucopyranose through potassium hydrogen fluoride opening of a Cerny epoxide under microwave irradiation followed by acetolysis. The fluoroglucose building block was used as a key intermediate in the synthesis of 2,20-dideoxy-2,20-difluoromaltose. Supplemental materials are available for this article. Go to the publisher's online edition of Synthetic Communications1 to view the free supplemental file. Copyright Taylor & Francis Group, LLC.
