Nucleosides

<p>2',3'-Dideoxy-5-iodouridine is a synthetic nucleoside analog derived from uridine, one of the natural building blocks of RNA. This molecule has been chemically modified to disrupt the normal processes of DNA and RNA synthesis, making it a candidate for antiviral and anticancer research.</p>

<p>Adenosine is a naturally occuring nucleoside and an essential building block in DNA synthesis. The tosyl protected adenosine at the 5' position, 5-tosyladenosine, allows for selective functionalistion at the the 3' and 4' positions, resulting in derivatised nucleotides that can incorporated into modified RNA which is an area of therapeutics that is currently expanding.</p>

<p>5-Amino-2’-deoxy-2’-O-methyluridine HCl is a novel nucleoside analog that has been modified with an O-methyl group at the 5′ position of the ribose moiety. This modification inhibits phosphorylation by inhibiting DNA polymerase and thus, preventing DNA synthesis. 5-Amino-2’-deoxy-2’-O-methyluridine HCl has also been shown to inhibit viral replication by inhibiting viral RNA and protein synthesis, while not affecting human RNA and protein synthesis. 5AADMUT is an activator of diphosphate metabolism in cells which may be due to its ability to inhibit enzymes involved in nucleotide metabolism (e.g., adenosine kinase).</p>

<p>N6-Benzoyl-3'-O-tert-butyldimethylsilyl-5'-O-DMT-adenosine 2'-CE phosphoramidite is an antiviral nucleoside phosphoramidite that is used in the synthesis of DNA. It has been shown to have antiviral activity against HIV and herpes, as well as anticancer effects. It also has high purity, being a novel synthetic nucleoside with a CAS number. N6-Benzoyl-3'-O-tert-butyldimethylsilyl-5'-O-DMT-adenosine 2'-CE phosphoramidite is synthesized using novel methods. The synthesis process includes activation with diphosphate, DNA, and Novel nucleosides, which are high quality and modified.</p>

<p>N4-Acetylcytidine is a modified nucleoside and endogenous urinary nucleoside product of the degradation of tRNA. N4-Acetylcytidine is a biological marker for various cancers with elevated concentrations present in urine. N4-Acetylcytidine is also a partially protected cytidine and therefore can be used as a synthetic building block to prepare further derivatized nucleosides such as 2’,3’-dideoxycytidine.</p>

<p>5'-Deoxy-5-fluorouridine (5FU) is a nucleoside that is used in the treatment of cancer. It is an antimetabolite that inhibits the synthesis of DNA, RNA, and proteins by reversibly inhibiting ribonucleotide reductase. 5FU also inhibits epidermal growth factor receptor (EGFR), which leads to apoptosis in cancerous cells. The concentration–time curve for 5FU has been determined using tissue culture and hl-60 cells as biological samples. This drug has been shown to be effective against metastatic colorectal cancer when administered with other chemotherapeutic drugs.</p>

<p>2'-O-tert-Butyldimethylsilyl-5'-O-DMT-N3-methylcytidine 3'-CE phosphoramidite is a modified nucleoside that is synthesized by the reaction of 2'-deoxycytidine with bis(2,4,6-trichlorophenyl)carbonate in the presence of a base. 2'-O-tert-Butyldimethylsilyl-5'-O-DMT-N3 methylcytidine 3'-CE phosphoramidite has been shown to have anticancer activity and is used as an activator in the synthesis of oligonucleotides. This product is available as a white powder and can be used for research purposes only.</p>

<p>2'-Deoxy-5-(2-iodoethyl)uridine is a nucleoside analog with antiviral and anticancer activity. It has been shown to be an activator of DNA replication, as well as inhibiting the synthesis of deoxyribonucleotides. This drug also has a novel structure that is modified from the natural nucleosides found in DNA and RNA. 2'-Deoxy-5-(2-iodoethyl)uridine can be synthesized using phosphoramidites, which are activated by iodine and sulfurizing agents. The purity of this compound is high and it is available at high quality.</p>

<p>2-Amino-6-chloro-9-(2'-deoxy-b-D-ribofuranosyl)purine is a purine nucleoside where the purine base has a 2-amino group at position 2 and a chlorine at position 6. The sugar is 2'-deoxy, meaning it is like the sugar found in DNA, lacking the 2'-hydroxyl group that is present in RNA. The amino and chloro groups on the purine base modify how this molecule behaves in biological systems making it useful in research applications.</p>

<p>N6-Benzoyl-2',3'-dideoxy-3'-N-DMT-adenosine is a novel nucleoside that can be used as an antiviral agent. It is a phosphoramidite and has been shown to inhibit replication of HIV, HSV, and CMV. N6-Benzoyl-2',3'-dideoxy-3'-N-DMT-adenosine has also been shown to be an effective inhibitor of influenza A virus in vitro. This drug inhibits viral DNA synthesis by competing with natural nucleosides for incorporation into the viral DNA chain and by inhibiting viral DNA polymerase activity.</p>

<p>The nucleophilic opening of 2,2'-Anhydrouridine represents a novel synthetic approach for elaborating the ring of nucleosides. For example, compounds such as 2-amino-, 2-fluoro- and 2-phenylseleno-2-deoxyuridines are prepared from the nucleophilic opening of 2,2'-Anhydrouridine.Â2,2'-Anhydrouridine inhibits uridine phosphorylase, a key enzyme targeted by some antitumor drugs.</p>

<p>Adenosine 5'-monophosphate monohydrate (AMP) is a nucleotide that is released by cells in response to various stimuli. It is involved in the regulation of metabolic rate, cell death, and inflammatory responses. AMP may also act as a mediator of opioid-induced analgesia. AMP has been shown to inhibit the production of pro-inflammatory cytokines in activated macrophages and to reduce nociception at high doses. This drug also has an effect on blood pressure and may be used for the treatment of hypertension.</p>

<p>N6,7-Dimethyldeoxyadenosine is a nucleoside with antiviral and anticancer properties. It is a modified DNA monophosphate with the chemical formula C8H16N2O6P. N6,7-dimethyldeoxyadenosine has been shown to inhibit the replication of HIV and herpes simplex virus type 1 (HSV-1) in vitro. This compound also inhibits the growth of cancer cells in culture and has been suggested as an anticancer therapeutic agent.</p>

<p>Nucleoside phosphoramidites are widely used as building blocks in the chemical synthesis of oligonucleotides. The use of a chemical synthesis rather than an enzymatic one allows bespoke oligonucleotides of a desired sequence to be obtained. 3’-Cyanoethyl phosphoramidites are typically modified by reaction with the 5’ hydroxyl of the next nucleoside in the desired sequence. The reaction is usually catalysed by 1H-tetrazole or 4,5-dicyanoimidazole in acetonitrile. N4-Benzoyl-2'-deoxy-5'-O-DMT-5-methylcytidine 3'-CE phosphoramidite, also called N4-Bz-5'-DMT-5-Me-dC phosphoramidite, is used in the synthesis of 2’-deoxy-5-methylcytidine-containing oligonucleotides as antisense drugs.</p>

<p>3'-Deoxy-3'-iodothymidine is a nucleoside that is found in DNA. It has a constant of -1.5 and can be protonated to form the anion. The molecule has a reactive radical anion, which is stabilized by electron delocalization with the aromatic rings. 3'-Deoxy-3'-iodothymidine has been studied for use as a medicine for cancer treatment, but it also has applications in biology and chemistry. This compound can be used in conductometry and electron spectroscopy, as well as other chemical experiments that require ionic compounds or radiation.</p>

<p>2′-O-Acetyl-3′-deoxy-3′-fluoro-5′-O-toluoyluridine is a novel, activator ribonucleoside. It is synthesized by the phosphoramidite method and modified with an acetyl group at the 2′ position and a toluoyl group at the 3′ position. This compound has been shown to be active against cancer cells in vitro and in vivo.</p>

<p>5’(R)-C-Methyl-5-methyluridine is an nucleoside and a ribonucleoside. It has antiviral, anticancer, and DNA modifying properties. This product is used in research to make phosphoramidites, diphosphates, and deoxyribonucleosides. 5’(R)-C-Methyl-5-methyluridine is also used in the production of modified oligonucleotides as well as other novel DNA compounds.</p>

<p>N2-Isobutyryl-3',5'-O-(1,1,3,3-tetraisopropyl-1,3-disiloxane-diyl)guanosine is a nucleoside that is activated by phosphorylation. It has been shown to be an inhibitor of cancer cell growth and proliferation in vitro. This compound was also found to inhibit the expression of two oncogenes (c-MYC and c-Ki67) and induce the expression of the tumor suppressor gene p53. This nucleoside is synthesized from 2'-deoxyadenosine monophosphate (2'-DAMP) with a modified DNA synthesis protocol.</p>

<p>2’-Amino-2’-deoxy-β-D-arabinouridine is a modified nucleoside based on uridine, in which the 2'-hydroxyl group of the sugar has been replaced with an amino group, and the sugar itself is arabinose (a stereoisomer of ribose). This compound is of possible interest in nucleic acid chemistry and antisense or RNA-interference research.</p>

<p>N6-Benzoyl-3’-deoxy-5'-O-DMT-3’- fluoroadenosine 2’-CE-phosphoramidite is a novel and activator ribonucleoside with deoxyribonucleosides, diphosphate and phosphoramidites. It is an anti-cancer, antiviral, and antiinflammatory agent. N6-Benzoyl-3’-deoxy-5'-O-DMT-3’ -fluoro adenosine 2’ -CE phosphoramidite has a CAS no.</p>