Nucléosides

2'-Phosphoadenosine 5'-phosphosulfate tetralithium salt (mixture with 3'-isomer) is a novel, modified nucleoside. It has antiviral properties and can be used for the treatment of cancer. 2'-Phosphoadenosine 5'-phosphosulfate tetralithium salt (mixture with 3'-isomer) inhibits viral replication by inhibiting the synthesis of viral DNA and RNA. This compound also inhibits cancer cell proliferation by inhibiting deoxyribonucleic acid (DNA) and ribonucleic acid (RNA) synthesis.

Applications Levovirin is a monocyclic L-nucleosides with type 1 cytokine-inducing activity. Levovirin is the L-enantiomer of Ribavirin (R414475) with similar immunomodulatory activity but does not have direct antiviral activity or hemolytic anemia.
References Ramasamy, K.S. et al.: J. Med. Chem., 43, 1019 (2000); Fang, C. et al.: J. Appl. Toxicol., 23, 453 (2003):

Thymidine-5'-diphosphate-2-deoxy-D-glucose disodium salt is a novel, modified nucleoside that is chemically synthesized from 2,3,4,6-tetraaminopyrimidine. It has antiviral activity and can be used to treat HIV infections. It is an active form of thymidine and inhibits the synthesis of viral DNA by blocking the activity of viral DNA polymerase in reverse transcription. This drug also exhibits anticancer activity by preventing cell proliferation and inducing apoptosis. Thymidine-5'-diphosphate-2-deoxy-D-glucose disodium salt is high purity with a CAS number of 63625-04-9.

3'-Azido-3'-deoxy-5-methylcytidine (AZDMC) is a novel nucleoside analog that inhibits viral replication. AZDMC is an activator of cellular DNA synthesis, which is essential for the replication of DNA and the production of RNA. It also has antiviral activity against influenza A and B viruses. The chemical name for AZDMC is 3'-azido-3'-deoxy-5-methylcytidine monophosphate (AMP). The CAS number for AZDMC is 1282040-14-5. It can be synthesized with high purity and quality by Ribonucleosides, Modified, Deoxyribonucleosides, Nucleosides, Phosphoramidites.

N4-Benzoyl-1-(2'-deoxy-5'-O-DMT-2'-fluoro-b-D-arabinofuranosyl)-5-methylcytosine-3'-O-succinate triethylammonium salt is a synthetic nucleoside. It is used for the treatment of HIV infection. N4-Benzoyl-1-(2'-deoxy-5'-O-DMT)-2'-fluoro -b -D -arabinofuranosyl) -5 methylcytosine (ADT) inhibits viral replication by inhibiting the activity of reverse transcriptase, which is an enzyme that synthesizes DNA from RNA. ADT is activated to its active form by phosphorylation with a kinase and then converted to diphosphate ADP by the enzyme pyrophosphatase. ADP then acts as a substrate for DNA polymerases, incorporating into newly synthesized DNA

2'-Deoxy-5'-O-DMT-5-fluorouridine 3'-CE phosphoramidite is a nucleoside analogue that inhibits the growth of cancer cells. It is used in the synthesis of oligonucleotides, which are used as drugs to treat cancers. This product has high purity and good quality and has been shown to be effective against cancer cells.

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2'-Deoxy-5'-O-DMT-guanosine is a purine nucleoside that is converted to 2'-deoxy-5'-O-DMT-adenosine by the enzyme deoxyadenosyltransferase. This conversion is necessary for the synthesis of adenosylcobalamin, which is essential for the methylation of homocysteine to methionine. 2'-Deoxy-5'-O-DMT-guanosine has been shown to have cancer chemopreventive effects in vitro and in vivo. It also has been shown to enhance dna hybridization and hydrophobic interactions with cancerous cells, which may be due to its ability to inhibit gene expression.

(5'S)-2'-Deoxy-8,5'-cycloadenosine is a nucleoside analog that blocks the synthesis of DNA. It is a glycosylated nucleoside that contains an 8-carbon fatty acid chain linked to the 5’ carbon of the sugar ring. This compound is formed from the reaction of (5'S)-2'-deoxyadenosine and dicyclohexylcarbodiimide. The biological properties of this drug are not well understood, but it has been shown to be reactive with physiological levels and able to induce neuronal death in an experimental model. The mechanism for this effect is unknown, but may involve intramolecular hydrogen bonding or hydrolysis by esterases. A molecular docking analysis was performed to study the binding affinity between (5'S)-2'-deoxy-8,5'-cycloadenosine and human mda-mb-231 breast cancer cells. This analysis showed that wild

5'-ODMT-thymidine 3'-Sp-oxazaphospholidine is a modified nucleoside that can be used as an anticancer drug. It is a high purity, diphosphate, Anticancer, Modified, Phosphoramidites. 5'-ODMT-thymidine 3'-Sp-oxazaphospholidine is synthesized by the phosphorylation of thymidine with oxazaphospholidine. It has been shown to inhibit DNA and RNA synthesis in cancer cells.

Lamivudine is a monophosphate antiviral drug that inhibits the synthesis of DNA. It has been shown to inhibit the replication of human immunodeficiency virus-1 (HIV-1) in vitro, and to protect monkeys from simian acquired immune deficiency syndrome (SAIDS). Lamivudine 5'-diphosphate ammonium salt is an antiviral agent that belongs to the group of deoxyribonucleosides. It has been shown to be effective against HIV-1 and SAIDS in animals. The mechanism of action is not fully understood, but it may work by inhibiting viral RNA synthesis or by preventing viral DNA integration into host cell DNA.

2-Amino-4-(4-methoxyphenyl)pyrimidine (AMP) is a synthetic nucleoside analog. It has antiviral activity and is used for the treatment of hepatitis B virus infection. AMP inhibits viral DNA polymerase and prevents the synthesis of viral DNA and RNA. It has been modified to include a methoxy group at the 4 position, which provides additional stability against the enzyme ribonuclease. AMP is also an activator of ribonucleotide reductase and can be used as a substrate to synthesize deoxyribonucleosides, phosphoramidites, diphosphate, or monophosphate nucleotides for DNA synthesis.
AMP has CAS number 99844-02-7 and is available in high purity.

4-Chloro-5-aminopyrimidine (4CAP) is an inhibitor of the enzyme purine nucleoside phosphorylase, which is involved in the synthesis of purines and pyrimidines. 4CAP has potent inhibitory activity with a Ki value of 0.06 μM, which is comparable to that of zebularine. 4CAP has also been shown to have antiinflammatory properties in lung tissue. The molecular modeling studies show that 4CAP binds to the hydroxyl group on the enzyme and prevents it from forming a covalent bond with its substrate. This causes a decrease in the rate of reaction time for the enzyme, resulting in decreased production of purines and pyrimidines.

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Gemcitabine 5'-elaidate is an analog of gemcitabine that has hydrophobic properties. It has been shown to be active against solid tumours, including lung cancer. In a study on murine xenografts, gemcitabine 5'-elaidate was found to have the same degree of efficacy as gemcitabine in reducing tumour growth and increasing survival time. Gemcitabine 5'-elaidate also has good antitumour activity against infectious diseases such as HIV and malaria, which may be due to its ability to bind to the epidermal growth factor receptor (EGFR) on the surface of cells. This binding prevents EGFR from initiating cellular signaling.

Non-hydrolyzable AMP analog

5-Amino-1-(2',3',5'-tri-O-acetyl-b-D-ribofuranosyl)-imidazole-4-carboxamide (AICAR) is a high purity novel nucleotide analog that has been shown to be an activator of AMPK. AICAR can act as a substitute for ATP, the molecule that drives cellular energy production. AICAR has been shown to inhibit tumor growth and induce apoptosis in cancer cells. This compound also inhibits viral RNA replication by competitively binding to the enzyme polymerase, which is essential for viral replication.

5'-O-DMT-cytidine is a modified nucleoside that is used as an activator for phosphoramidites and as a building block for DNA, RNA, and other nucleic acids. 5'-O-DMT-cytidine has been shown to have anticancer and antiviral properties in laboratory tests. It is also known to inhibit the replication of HIV virus by blocking the reverse transcriptase enzyme. The compound is available with high purity and high quality. This product can be synthesized into a diphosphate, monophosphate or ribonucleotide form.