Monosacáridos

<p>D-Glucuronamide is a kinetic model system for the glycosylation reaction, which is an important step in the biosynthesis of complex oligosaccharides and polysaccharides. It has been shown to be an amide analog that can be acetylated with acetic anhydride in a reaction mechanism that involves nucleophilic attack by the amino group of D-glucuronamide on the electrophilic carbonyl carbon of acetic anhydride. The second-order rate constants for this reaction were determined to be 2.3×10 M-1s-1 at pH 7 and 25°C. NMR spectra showed that the product was not a simple amide but rather a glycopolymer with a distribution of different sugar residues, including D-glucose, D-galactose, and D-mannose.</p>

<p>Methyl 2, 3-anhydro-4, 6-O-[(R)-benzylidene]-a-D-allopyranoside is a glycosylation product of methyl 4, 6-O-[(R)-benzylidene]-a-D-allopyranoside. It is a complex carbohydrate that is fluorinated and saccharified. Methyl 2, 3-anhydro-4, 6-(R)-benzylidene]-a-D-allopyranoside is custom synthesized to high purity and quality.</p>

<p>Methyl (2R,3R,4S)-2,3-dihydroxy-4-oxo-butanoate 2,4-hemiacetal is a custom synthesis chemical that is not found in nature. It has the molecular formula CH3O(COOCH3)2C(OH)(OCH2CH2)2CHO. This compound was synthesized by the reaction of methyl acetoacetate with sodium borohydride and formaldehyde. The product was purified by recrystallization from ethyl acetate and hexane. Methyl (2R,3R,4S)-2,3-dihydroxy-4-oxo-butanoate 2,4-hemiacetal is a colorless solid that melts at 60°C and decomposes at 160°C. The purity of this compound is greater than 99%. This chemical reacts with nucleophiles to form acetals or hemiacet</p>

<p>This compound is a custom synthesis of 1-O-acetyl-2-azido-2-deoxy-3,4-di-O-benzyl-6-O-benzoylglucopyranose. It is a synthetic carbohydrate that is used in the modification of saccharides and oligosaccharides. This product has been fluorinated to allow for fluorescence detection and click chemistry applications. It is a white solid with a melting point of 105 degrees Celsius. The CAS number for this compound is 15148344.</p>

<p>N-Acetyl-2-phenylthioneuraminic acid methyl ester 4,7,8,9-tetraacetate, also called per-O-acetyl-thiophenyl-N-acetylneuraminic acid methyl ester, belongs to the family of sialic acids. This neuraminic acid derivative, as well as other related compounds, such as, N-Acetyl-9-azido-9-deoxy-neuraminic acid, N-Acetyl-2-O-methyl-a-D-neuraminic acid and N-Acetylneuraminic acid dihydrate, act as ligands for the synthesis of many intermediates of sialylated carbohydrates. Sialic acid derivatives present on the surface of vertebrate cells are crucial to advances in biology, as they play a significant role in pathogen-cell interactions and act as mediators of physiological processes.</p>

<p>2-Azido-2-deoxy-3,4-O-benzylidene-D-ribonic acid d-lactone is a glycosylation product of 2,4,6  azido  2,3,4  O  benzylidene D -ribose. It is synthesized by the reaction of 1,2  azido 2,3,4 O benzylidene D -ribose with sodium borohydride in the presence of lithium chloride. This compound possesses a number of properties including being a complex carbohydrate and methylation product. This compound is also fluorinated to give 2 azido-2 deoxy 3,4 F -benzylidene D ribonic acid d lactone. This compound can be modified for various purposes such as Click modification and polysaccharide synthesis.</p>

<p>2,6-Anhydro-D-glycero-D-gluo-heptonic acid methylamide is a synthetic sugar that is used as a building block for the synthesis of oligosaccharides and monosaccharides. The glycosylation of 2,6-Anhydro-D-glycero-D-gluo-heptonic acid methylamide can be catalyzed by any of the glycosylators that use saccharides as substrates. This modification can also be achieved by methylation to produce methylated 2,6-Anhydro-D-glycero-D-gluo heptonic acid methylamide. It has been shown to exhibit antiviral activity against herpes simplex virus type 1.</p>

<p>The synthesis starts with a commercially available, methyl-protected, phenyl-protected 2-azetidinecarboxylic acid. The carbonyl group is then converted to an amide by reaction with ammonia in the presence of a base (such as triethylamine) and an appropriate coupling agent (such as HOBt). The amide is then deprotected by treatment with hydrochloric acid to give the desired product. This compound has not been characterized fully yet but it is expected to be a complex carbohydrate.</p>

<p>Methyl (1,2-Di-O-benzoyl-3-O-benzyl-a-L-idopyranosyluronate) is an oligosaccharide that is synthetically made and modified with the addition of a fluorine atom. This carbohydrate has a CAS number and may have applications in the synthesis of complex carbohydrates. It is also used as a component of glycoproteins for its ability to act as a linker between the protein and sugar strands. It can be found in nature in monosaccharides, methylated saccharides, or glycosylated polysaccharides.</p>

<p>2,3,4-Tri-O-acetyl-1-O-azido-1-deoxy-b-D-arabinopyranoside is a methylated sugar that can be used to modify oligosaccharides. It has an acetyl functional group on the 2' position of the ribose moiety. This product is a white crystalline powder and it is soluble in water and methanol.</p>

<p>2-Acetamido-4,6-O-benzylidene-2-deoxy-D-glucopyranose is an ether of d-glucosamine. It is formed by the reaction of benzyl alcohol and acetamidine with sodium methoxide in the presence of a catalyst. The stereoselectivity of this reaction can be tuned by using different alkali metals as catalysts. The nature and reactivity of the metal cation determines whether 2-acetamido-4,6-O-benzylidene-2,3,5,6,-tetraacetate or 2,3,5,6,-tetraacetate will be produced.</p>

<p>Tetrahydro-5-methyl-tetrazolo[1,5-a]pyridine-6,7,8-triol is an organic compound that has been synthesized from a sugar. Tetrahydro-5-methyl-tetrazolo[1,5-a]pyridine-6,7,8-triol is soluble in water and formic acid. It is used as a synthetic intermediate for the production of oligosaccharides and saccharides. Tetrahydro-5-methyl-tetrazolo[1,5-a]pyridine-6,7,8-triol can be used to produce glycosylation or methylation in the laboratory. It is also used as a chemical reagent in complex carbohydrate synthesis.</p>

<p>3-C-Methyl- 5, 6- O- isopropylidene-D- gluconic acid g- lactone is an oligosaccharide that was synthesized by the reaction of 3,4-dihydroxybenzoic acid and methyl acrylate. The molecular weight of this sugar is 459. Its CAS number is 72854-10-7. This sugar has a purity level of &gt;95%. It has been modified with methylation and click chemistry to afford various derivatives. This carbohydrate can be used in glycosylation reactions or as a building block for polysaccharides.</p>

<p>Sucrose 6'-monophosphate dipotassium salt is a high purity, custom synthesis sugar. Click modification and fluorination of sucrose with potassium fluoride yields an oligosaccharide. Glycosylation and methylation of the saccharide with sodium methoxide yields a monosaccharide. Carbohydrates are defined as polyhydroxy aldehydes or ketones that contain either aldoses or ketoses. Complex carbohydrates are sugars that consist of two or more simple sugars linked together. Sucrose has six carbon atoms, 12 hydrogen atoms, six oxygen atoms, and two sulfur atoms in its molecular structure. The molecular formula for sucrose is C12H22O11S2K2O4P. The CAS number for sucrose is 36064-19-4. Molecular weight: 342.3 g/mol</p>

<p>3-O-Benzyl-1,2-O-isopropylidene-b-L-lyxofuranose is an oligosaccharide that is a member of the class of carbohydrates. It has a saccharide sequence that is composed of three monosaccharides: b-D-glucopyranose, L-xylopyranose, and β-(3’,4’)-benzylidene erythritol. The carbohydrate is modified with fluorine atoms at the two hydroxyl positions on the glucose unit and a benzyl group at the C4 position on the xylopyranose unit. 3-O-Benzyl-1,2-O-isopropylidene -b -L -lyxofuranose is useful for click chemistry reactions due to its reactive benzyl group. This product has high purity and can be custom synthesized to</p>

<p>3, 4-Dihydroxy-5-(hydroxymethyl)pyrrolidinone (3R,4R,5S) is a custom synthesis of a fluorinated compound that has been modified through methylation and monosaccharide substitution. This product has been designed for use in Click chemistry applications. The CAS number for this product is 100906-64-6.</p>

<p>3-O-benzyl-D-xylose is a sugar that belongs to the group of dimethyl, diisobutylaluminium, dicarboxylate, malonate, oxygenated, acetylation, cyclopentane. It has been shown to be effective in cleavage and condensation reactions. 3-O-benzyl-D-xylose can be used in the synthesis of pyridinium chlorochromate and chlorochromate. This compound also reacts with pyridinium via hydride reduction and hydroxide cleavage.</p>

<p>Raloxifene-6-D-glucuronide lithium salt is a custom synthesis of a complex carbohydrate. It is an oligosaccharide that has been modified by methylation and glycosylation. The modification of the saccharide with click chemistry has provided a high purity product. This compound has been fluorinated to provide an organic molecule with a pharmaceutical grade purity.</p>

<p>A sulfated GalNAc analogue</p>

<p>D-Galactose-4-O-sulphate sodium salt is a white crystalline powder. It is soluble in water and ethanol, but insoluble in ether. This product can be used as a raw material for the synthesis of various saccharides and oligosaccharides. D-Galactose-4-O-sulphate sodium salt has an average purity of 99%. It is custom synthesized to meet customer requirements.</p>

<p>1,4-Anhydro-D-glucitol is a compound that belongs to the group of monosaccharides and has biological properties. It has also been used in the production of acetate extracts from fetal bovine erythrocytes. The ester linkages are formed between 1,4-anhydro-D-glucitol and sodium salt by reaction with acetic anhydride. The reaction mechanism has been studied in detail, and it was found that hydroxyl groups on the molecule react with sodium ions to form an ester linkage. This compound is toxicologically safe at high doses, but can become toxic at lower doses due to its acid formation potential.</p>

<p>2,3,4,6-Tetra-O-acetyl-D-galactopyranosyl azide is a fluorinated sugar that can be used as a synthetic intermediate for the glycosylation of polysaccharides. This compound has been shown to have high purity and does not react with other compounds in the reaction mixture.</p>

<p>The compound is a glycosylation, oligosaccharide and sugar. It is a synthetic, fluorinated compound that can be custom synthesized to meet your needs. The compound is methylated, monosaccharide, polysaccharide and saccharide. It has been modified with click chemistry and it has high purity. CAS No. 1416144-50-7</p>

<p>Methyl a-L-idopyranosiduronic acid 2-sulfate sodium salt is a custom synthesis that is an oligosaccharide. It is a complex carbohydrate with Oligosaccharide CAS No. and it has been modified by saccharide, Methylation, and Glycosylation. This product has high purity and is fluorinated. This product is synthetic and can be used for click modification.</p>

<p>Methyl 2,3-di-O-benzoyl-4,6-O-benzylidene-a-D-glucopyranoside is a synthetic compound that has been shown to be an inhibitor of the receptor for the proinflammatory cytokine TNF. It has been proposed as a possible treatment for chronic kidney disease, acute phase, and neurodegenerative diseases such as chronic pain. Methyl 2,3-di-O-benzoyl-4,6-O-benzylidene-a-D-glucopyranoside is an inhibitor of factor receptors and inhibits the activation of NFκB in a dose dependent manner. This inhibition leads to decreased production of proinflammatory cytokines such as TNF.</p>

<p>Phenyl 2-azido-2-deoxy-b-D-selenofucopyranoside is a carbohydrate with the CAS number 54519-52-8. It is a custom synthesis that is available in high purity and can be methylated, glycosylated and click modified. Phenyl 2-azido-2-deoxy-b-D-selenofucopyranoside is an oligosaccharide that has been fluorinated, which makes it stable at higher temperatures. This product is used as a synthetic building block for complex carbohydrates and saccharides.</p>

<p>Methyl 2,3-di-O-acetyl-4,6-O-(4-methoxybenzylidene)-a-D-mannopyranoside is a custom synthesis that contains a fluorinated sugar with a methyl group attached to the 4 position. The oligosaccharide is synthesized through click chemistry and has been modified with an acetate at the 6 position. The CAS number is 108739-53-0. The carbohydrate is a complex carbohydrate that can be found in nature or synthesized in the laboratory.</p>

<p>Methyl-2,3,4,6-tetra-O-acetyl-alpha-D-mannopyranoside is a sugar that is synthesized by the methylation of an alpha-D-mannopyranoside. This compound can be customized for any application and is available in high purity. It is used as a building block for polysaccharides and oligosaccharides. Methyl-2,3,4,6-tetra-O-acetyl-alpha-D-mannopyranoside has been shown to have many applications including being used as a click modification substrate. The synthesis of this compound can be done by fluorination or glycosylation.</p>

<p>2-Deoxy-3,4,6-tri-O-pivaloyl-D-glucopyranosyl amine is a custom synthesis that has been fluorinated and modified. It has been synthesized for use in the production of oligosaccharides and polysaccharides. This compound is a monosaccharide with a CAS number of 1338226-07-5. It can be used to produce complex carbohydrates. 2DGPA can be used as an intermediate in the synthesis of saccharides or sugars.</p>

<p>2-Acetamido-2-deoxy-D-mannono-1,4-lactone is a chemical compound that is an aldonic acid and is classified as an ester. It has a molecular formula of C8H10O5 and it has the following structural formula:<br>This product can be synthesized from benzoic acid and glyceraldehyde. 2-Acetamido-2-deoxy-D-mannono-1,4-lactone is also known as benzoylated mannose. It has been reconfirmed to have high yield in acetylation reactions with molybdate. 2-Acetamido-2deoxy-Dmannono1,4lactone can also undergo epimerization to form the optical antipode of 2,3,4,6tetraacetyloxybenzoic acid (2,3,4,6tetraacetyl</p>

<p>(2R, 3S, 4S) -3, 4-Dihydroxy-N-methyl-2-pyrrolidinecarboxamide is a custom synthesis that has been modified with fluorination and methylation. This compound is a monosaccharide that can be used to synthesize oligosaccharides and polysaccharides. The chemical formula of this compound is C4H8N4O3 and the molecular weight is 192.17 g/mol. This compound belongs to the category of saccharide, which is a carbohydrate made up of sugar molecules linked by glycosylations. This glycosylated carbohydrate can be found in complex carbohydrates such as starch or glycogen.</p>

<p>Ciclopirox-D11 D-glucuronide is a custom synthesis that has been modified by fluorination, methylation, and click modification. It is a monosaccharide that has been synthesized from glucose and contains a glycosylation site. This compound is also an oligosaccharide with saccharide subunits. It has been shown to be effective against fungi such as Trichophyton rubrum, Microsporum canis, and Epidermophyton floccosum. Ciclopirox-D11 D-glucuronide binds to the fungal cell wall by covalent bonding to the chitin in the fungal cell wall. This compound also inhibits the growth of bacteria such as Staphylococcus aureus and Clostridium perfringens by inhibiting protein synthesis due to its ability to bind to ribosomes.</p>

<p>2,3:5,6-Di-O-isopropylidene-D-mannonic acid-1,4-lactone is an analogue of the furanoid compound mannonic acid. It is a lactone that can be hydrolyzed to carboxylic acids with acidic conditions. This compound has been shown to be a good target molecule for efficient syntheses of alcohols and thiols. The configurations at the stereocenters are analogous to those found in other furanoids. The high yields and yields of this molecule make it an efficient target molecule for synthesis.</p>

<p>O-(2-Acetamido-3,4,6-tri-O-acetyl-2-deoxy-b-D-glucopyranosyl)-N-hydroxysuccinimide is a glycosylation agent that can be used in the synthesis of glycoproteins and polysaccharides. It has been shown to be effective for the synthesis of oligosaccharides, polysaccharides and complex carbohydrates. The compound has a CAS number of 170590-84-8 and is classified as an intermediate organic chemical. O-(2-Acetamido-3,4,6-tri-O-acetyl-2 -deoxy--b--D--glucopyranosyl)-N--hydroxysuccinimide reacts with primary alcohols to form acetal derivatives. This reaction can also be used for Click chemistry and fluorination in order to modify saccharide structures.</p>

<p>UDP-N-acetyl-D-mannosaminuronic acid is a monosaccharide that is synthesized from UDP and N-acetyl-D-mannosamine. It is an important precursor for the synthesis of glycoproteins, lipopolysaccharides, and proteoglycans in bacteria. Mutants have been identified in Escherichia coli and Staphylococcus aureus that lack the enzyme UDP-N-acetylglucosamine 2’:3’ phosphotransferase, which is required for the biosynthesis of UDP-N-acetylglucosamine. The enzyme responsible for this reaction is acetamidase/uridine diphosphate mannosyltransferase. This enzyme catalyzes the transfer of mannose from uridine diphosphate (UDP) to N acetylglucosamine to form UDP N acetyl D mannosaminuronic acid</p>

<p>Ethyl 2,3,4,6-tetra-O-acetyl-b-D-thiogalactopyranoside is a natural sugar that is used in the food industry as a flavoring agent.</p>

<p>Custom synthesis, Modification, Fluorination, Methylation, Monosaccharide, Synthetic, Click modification, Oligosaccharide, saccharide, CAS No., Polysaccharide. Glycosylation. Sugar. Carbohydrate. Complex carbohydrate.</p>

<p>UDP-a-D-galactose disodium salt (UDP-Gal) is a sugar-nucleotide substrate of galactosyltransferases. It’s used as the donor of galactose in the biosyntheses of glycoproteins and glycolipids. Its low cellular content is also hypothetically linked to the defective galactosylation in galactosemia.</p>

<p>1,2:3,4-Di-O-isopropylidene-a-D-fucopyranose is a tailored drug that was developed to have the same chemical structure as endogenous natural fucopyranosides. It has been shown to be a potent inhibitor of bacterial growth in vitro. The drug has been shown to have anti-inflammatory effects in vivo and may be useful for the treatment of autoimmune diseases. 1,2:3,4-Di-O-isopropylidene-a-D-fucopyranose has been observed to inhibit the production of inflammatory cytokines such as IL1β and TNFα by macrophages at concentrations of 10 μM or less. It has also been shown to inhibit NFκB activation by inhibiting IκB kinase activity.</p>

<p>D-Glucose 3-sulfate sodium salt is a fluorinated, monosaccharide that can be used as a synthetic, oligosaccharide or complex carbohydrate. It is custom synthesized with glycosylation and polysaccharides and has been shown to be useful in click modification. D-Glucose 3-sulfate sodium salt is also methylated and sugar modified. The CAS number for this product is 89830-83-1. It has high purity and can be purchased at any lab supply store.</p>

<p>6-O-Benzhydryloxybis(trimethylsilyloxy)silyl-1,2:4,5-di-O-isopropylidene-D-glycero-D-mannoheptitol is a custom synthetic oligosaccharide. It is a complex carbohydrate that can be found in the human body. It is an Oligosaccharide with CAS No. and has been modified with Methylation and Glycosylation. The saccharide content is high purity and it has been fluorinated to increase its stability. This product has been synthesized using Click chemistry for ease of use.</p>

<p>Biologically relevant in neurotransmission and carbohydrate-protein recognition</p>

<p>1-Chloro-2-deoxy-3,5-di-O-p-nitrobenzoyl-D-ribofuranose is a fluorinated sugar that can be used as a probe for the study of glycosylation and methylation reactions. It is also a complex carbohydrate with an Oligosaccharide modification. It is available for custom synthesis and has high purity. This product can be methylated, glycosylated, or modified using Click chemistry. 1-Chloro-2-deoxy-3,5-di-O-p nitrobenzoyl D ribofuranose is also an oligosaccharide sugar that contains one Monosaccharide unit.</p>

<p>1,2:5,6-Di-O-isopropylidene-a-L-glucofuranose is a monosaccharide that is a component of the fatty acid biosynthesis pathway. It has been shown to be important in clinical relevance, because it can inhibit viral replication by binding to the virus as a nucleophile and attacking the glycosidic bond. This monosaccharide also inhibits the growth of liver cells by binding to a receptor on the cell surface. 1,2:5,6-Di-O-isopropylidene-a-L-glucofuranose binds specifically to nucleophilic sites on proteins and has been shown to have antiinflammatory properties through its inhibition of prostaglandin synthesis.</p>

<p>4-Azido-4,6-dideoxy-2,3-O-isopropylidene-D-talono-1,5-lactone is an oligosaccharide that is synthesized using the Click chemistry. It is a modification of the natural product methylated L -rhamnosyl-(1→2)-D -talonolactone. 4-Azido-4,6-dideoxy-2,3-O-isopropylidene D -talono 1,5 lactone has been shown to inhibit the growth of Mycobacterium tuberculosis and Mycobacterium avium complex bacteria.</p>

<p>L-Gulonic acid-1,4-lactone is an ascorbic acid derivative that inhibits the production of matrix metalloproteinases (MMPs) and other enzymes. L-Gulonic acid-1,4-lactone has been shown to inhibit the activity of MMPs in hl-60 cells, which may be due to its ability to chelate metal ions, such as zinc and copper. This molecule also has a stabilizing effect on collagen type I because it prevents cross linking between lysine amino acids. The discovery process for this molecule was found by screening clones from a cDNA library with biochemical properties similar to those of ascorbic acid. This molecule has been shown to inhibit the activation of protein kinase C (PKC) and phosphorylation of extracellular signal regulated kinase (ERK). L-Gulonic acid-1,4-lactone is metabolized through plant metabolism</p>

<p>Methylation of a saccharide is the covalent addition of a methyl group to one of the hydroxyl groups. This process may be achieved through an electrophilic substitution reaction with a methylating agent such as dimethyl sulfate. In the case of polysaccharides, this process can be carried out in vitro using enzymes called glycosyltransferases. The mechanism for glycosyltransferase-mediated methylation was elucidated by Michaelis and Menten in 1913.</p>

<p>Glucose analog and potent inhibitor of α-glucosidases of class I and II. It interferes with N-linked glycosylation and oligosaccharide processing. The compound inhibits intestinal α-glucosidase and has protective effects against obesity-induced hepatic injury as well as mitochondrial dysfunction. It also has neuroprotective effects since it reduces senescence-related cognitive impairment, neuroinflammation and amyloid beta deposition in mice.</p>

<p>Methyl 2,3,4-tri-O-acetyl-6-O-triisopropylsilyl-a-D-galactopyranoside is a synthetic glycoside. It is used as a building block for the synthesis of complex carbohydrates. This compound has been shown to have high purity with a purity of 99% by mass. It has not been evaluated by the Food and Drug Administration (FDA) and therefore cannot be sold in the United States.</p>

<p>4,6-O-(4-Methoxybenzylidene)-1,2,3-tri-O-pivaloyl-b-D-galactopyranose is a custom synthesis of a complex carbohydrate. It is an oligosaccharide that has been modified with methylation and glycosylation. The CAS number for this compound is 123097-29-2. This compound has a high purity and has been fluorinated with the click reaction. It is a synthetic sugar that is also a polysaccharide.</p>