97242-79-0Relevant articles and documents
Selectively Deoxyfluorinated N-Acetyllactosamine Analogues as 19F NMR Probes to Study Carbohydrate-Galectin Interactions
Kurfi?t, Martin,Dra?ínsky, Martin,?ervenková ??astná, Lucie,Cu?ínová, Petra,Hamala, Vojtěch,Hovorková, Michaela,Bojarová, Pavla,Karban, Jind?ich
, p. 13040 - 13051 (2021/08/07)
Galectins are widely expressed galactose-binding lectins implied, for example, in immune regulation, metastatic spreading, and pathogen recognition. N-Acetyllactosamine (Galβ1-4GlcNAc, LacNAc) and its oligomeric or glycosylated forms are natural ligands of galectins. To probe substrate specificity and binding mode of galectins, we synthesized a complete series of six mono-deoxyfluorinated analogues of LacNAc, in which each hydroxyl has been selectively replaced by fluorine while the anomeric position has been protected as methyl β-glycoside. Initial evaluation of their binding to human galectin-1 and -3 by ELISA and 19F NMR T2-filter revealed that deoxyfluorination at C3, C4′ and C6′ completely abolished binding to galectin-1 but very weak binding to galectin-3 was still detectable. Moreover, deoxyfluorination of C2′ caused an approximately 8-fold increase in the binding affinity towards galectin-1, whereas binding to galectin-3 was essentially not affected. Lipophilicity measurement revealed that deoxyfluorination at the Gal moiety affects log P very differently compared to deoxyfluorination at the GlcNAc moiety.
Efficient Synthesis of 3,6-Dideoxy-β-D-arabino-hexopyranosyl-Terminated LacdiNac Glycan Chains of the Trichinella spiralis Parasite
Nitz, Mark,Bundle, David R.
, p. 3064 - 3073 (2007/10/03)
The synthesis of a linear trisaccharide epitope of the Trichinella spiralis N-linked glycan, in a form amenable to glycoconjugate formation, is reported. The trisaccharide contains the synthetically challenging LacdiNAc [β-GalpNAc(1→4)-β-GlcpNAc] element,
Preparation of disaccharides having a β-D-mannopyranosyl group from N-phthaloyllactosamine derivatives by double or triple SN2 substitution
Alais, Jocelyne,David, Serge
, p. 69 - 77 (2007/10/02)
Condensation of 1,2,3,4,6-penta-O-acetyl-β-D-galactopyranose with methyl 3,6-di-O-benzyl-2-deoxy-2-phthalimido-β-D-glucopyranoside, followed by alkaline methanolysis, gave a derivative of lactosamine that has an unsubstituted β-D-galactopyranosyl group.Tr