Glycoscience

Cerebrosides are complex carbohydrates that are synthesized by the modification of glycosylations, methylations, or fluorination of sugar molecules. They are used in the synthesis of polysaccharides and as a substitute for natural glycosphingolipids. Cerebrosides are also known to be involved in the synthesis of neuronal lipids, such as myelin and phosphatidylserine.

Methyl 3-O-benzyl-b-D-xylopyranoside is a modified oligosaccharide that is used in the synthesis of complex carbohydrate structures. It has been shown to be a good substrate for glycosylation. Methyl 3-O-benzyl-b-D-xylopyranoside is also a monosaccharide, and can be fluorinated to produce a saccharide with potential antiholistic properties.

2,3,4,5-Tetra-O-acetyl-D-ribononitrile is a custom synthesis chemical. It is an Oligosaccharide, Polysaccharide, Modification and has the CAS No. 25546-50-3. It can be used as a Fluorination reagent in Synthetic Chemistry and Click modification. The purity of this chemical is high and it has a Custom synthesis. 2,3,4,5-Tetra-O-acetyl-D-ribononitrile is synthesized by Methylation and Glycosylation of sugar molecule with acetyl group. This chemical can be used to modify saccharide and carbohydrate molecules.

Blood group antigen derivative for biochemical research

1-Deoxy-1-nitro-L-iditol hemihydrate is a carbohydrate that has been modified with fluorination and methylation. It is used in the synthesis of oligosaccharides and sugars, as well as in the modification of complex carbohydrates. This product is also used for custom synthesis, glycosylation, and click chemistry. The purity of this product ranges from 98% to 100%.

Sialylfucosyllacto-N-tetraose is a human milk oligosaccharide (HMO) and is present in lower concentrations than 2′-fucosyllactose. Sialylfucosyllacto-N-tetraose contains both nitrogen and sialic acid in its chemical structure. It has been demostrated that sialylfucosyllacto-N-tetraose in the HMO pool acts as a prebiotic, protects against infections and inflammation, modulates the immune system, supports brain development, and reduces the risk of necrotizing enterocolitis (Wiciński, 2020).

1,2:5,6-Di-O-isopropylidene-alpha-D-glucofuranose, also known as diacetone-D-glucose (DAG), is a partially protected D-glucose sugar locked in the furanose form with isopropylidene protecting groups on the 1,2 and 5,6 positions. The unprotected 3 position is ready for a variety of chemical manipulations, such as alkylation, acylation or stereo-inversion. An orthogonal protecting group could be added to the 3 position to allow deprotection of an isopropylidene and therefore manipulations of the other hydroxyl groups. Diacetone-D-glucose has been used to make fluorinated hexopyranose glycolysis inhibitors useful in the treatment of brain tumours.

(-)-D-Noviose is a naturally occurring sulfoxide that was first isolated from the tubercles of tuberculosis patients. It is a biosynthetic precursor to tiacumicin, an antibacterial agent. In addition, (-)-D-Noviose has been shown to act as a chaperone and inhibit cancer cells in vitro. (-)-D-Noviose binds to the cysteine residues of proteins, preventing their oxidation and subsequent aggregation. This prevents the cross-linking of proteins that leads to cellular damage and death.

Tri-mannuronic acid sodium salt (b-1,4-linked sodium mannuronotriose) is one of a number of oligosaccharides obtained from alginate which is a polysaccharide in brown seaweeds containing: blocks of repeating mannuronic acid sequences (M-M-M-M etc), repeating guluronic acid sequences (G-G-G-G etc), and alternating M-G-M-G sequences.Oligosaccharides can be released using several methods (Lua, 2015; Yanga, 2004) and claims have been published that mannuronic acid oligosaccharides for example, can be effective in the prophylaxis and treatment of Alzheimer's disease, or for the prophylaxis and treatment of diabetes (USP 8835403B2, 2014).

D-Galactosamine (GalN) is an aldohexose (2-Amino-2-deoxygalactose) in which the hydroxyl group at position 2 is replaced by an amino group (Collins, 2006). Galactosamine (as the N-Acetyl derivative) forms a key part of both N- and O-linked glycoproteins, glycolipids and glycosaminoglycans. Treatment of experimental animals with D-galactosamine / lipopolysaccharide causes lethal liver injury characterized by apoptosis of the hepatocyte and it is used as a laboratory model to study the effect of therapeutic agents (Hirono, 2001).

3-C-Methyl-1-deoxy-psicose is a sugar that is used in the synthesis of complex carbohydrates. This synthetic sugar is synthesized by the click modification of 3,4-dihydroxybenzaldehyde with 1,2,3,4-tetraacetylated benzyl chloride. The compound has a molecular weight of 228.22 and an empirical formula of C6H8O6F2. It's CAS number is 52714-32-0 and it's Oligosaccharide number is 976.

(2R, 4S) - 3- Fluoro- 2,4- azetidinedimethanol is a fluorinated monosaccharide. It is a synthetic compound that has been modified by methylation and Click chemistry. The fluorination of the sugar allows for high purity and modification of the carbohydrate. This compound is used in the synthesis of oligosaccharides and polysaccharides.

2-Acetamido-2-deoxy-3-O-methyl-D-glucopyranose (2A2DMG) is a nonsteroidal antiinflammatory drug that belongs to the class of drugs known as Cox inhibitors. This agent has been shown to inhibit ATP sensitive K+ channels in primary cells from rat urinary bladder, which leads to a decrease in intracellular Ca2+ levels. 2A2DMG also inhibits COX enzymes, which are responsible for the synthesis of prostaglandins and thromboxanes. This decreases inflammation and pain. 2A2DMG has antineoplastic properties and has been shown to inhibit cancer cell growth in vitro. It also prevents cell proliferation by interfering with the synthesis of collagen, the main structural protein of connective tissue.

Useful CO2-philic compounds with potential uses as pharmaceutical excipients, controlled release agents, and surfactants for microemulsion systems in CO2-based processes.

D-ribose (Rib) is an aldopentose, a component of RNA and a constituent of numerous cofactors, and certain vitamins. (Collins, 2006). Ribose is a component of bacterial polysaccharides found in Salmonella (Lindberg, 1990). Ribosylation leads to the production of significant amounts of advanced glycation end products, both extracellularly and intracellularly, it may be involved in cell dysfunction and subsequent cognitive impairments (Wei, 2012).

Ethyl 2,3,4-tri-O-benzyl-L-thiofucopyranoside is a glycosylation agent that is used in the synthesis of complex carbohydrates. It can also be used in the methylation and click modification of saccharides. Ethyl 2,3,4-tri-O-benzyl-L-thiofucopyranoside has been shown to have a high purity and can be custom synthesized to fit the needs of the customer. This product has a CAS number of 169532-17-6 and it is available in both monosaccharides and oligosaccharides.