Nucleósidos

<p>3',5'-Di-O-benzoyl-2'-deoxy-2',2'-difluorocytidine is a nucleoside analog, which is metabolized to its active form, 2',2'-difluoro-3'-O-methylcytidine. 3',5'-Di-O-benzoyl-2'-deoxy-2',2'-difluorocytidine has been shown to be a potent inhibitor of human tumor cell growth and is also effective in stimulating antitumor immunity. This drug binds to the DNA of cells and prevents transcription and replication.</p>

<p>a-Thymidine is a thymidylate analog that is used as an anti-HIV drug. It is the L-enantiomer of thymidine, which is a nucleoside base in DNA. The biological effects of a-thymidine are due to its ability to be incorporated into DNA and act as a competitive inhibitor of the enzyme protein synthesis. It also has been shown to have antiviral properties against herpes simplex virus type 1 and hepatitis B virus.</p>

<p>5-Azacytidine 5'-monophosphate (5-Aza-CMP) is a modified nucleoside that inhibits DNA synthesis by competitively inhibiting the incorporation of deoxycytidine 5'-triphosphate into DNA. It is used as an antiviral and anticancer agent. 5-Aza-CMP has been shown to inhibit the proliferation of human cancer cells in vitro, including T cell leukemia, lymphoma, breast cancer, and melanoma.</p>

<p>5'-O-Benzoyl-2'-O-tert-butyldimethylsilyluridine 3'-CE phosphoramidite is a nucleoside monophosphate, which is used as a synthetic building block in DNA and RNA synthesis. 5'-O-Benzoyl-2'-O-tert-butyldimethylsilyluridine 3'-CE phosphoramidite has shown anticancer activity, which may be due to its ability to inhibit the activation of oncogenes by acting as an antagonist at the cell surface. This agent also inhibits viral replication and is active against HIV, herpes simplex virus type 1, and varicella zoster virus.</p>

<p>2',3'-Dideoxy-5-methylcytidine is a synthetic nucleoside analog based on cytidine, a natural building block of DNA and RNA. This molecule is chemically modified to interfere with nucleic acid synthesis, making it a potential tool in antiviral or anticancer therapy, or for studying epigenetics.</p>

<p>Trimethylguanosine is a hydrogen-bonded base that is found in the DNA of all living organisms. It has a diagnostic role in cancer and metabolic disorders, as well as in the study of cell culture. Trimethylguanosine can be used to identify cancer cells by measuring its fluorescence properties, which are different from those of healthy cells. This compound also has a role in the diagnosis of metabolic disorders, such as diabetes mellitus and renal disease. Trimethylguanosine is also involved in biological function, and is necessary for the synthesis of proteins and nucleic acids.</p>

<p>3'-Amino-3'-deoxyadenosine, also known as spalgomycin, is a natural enediyne antibiotic with potent antibacterial and, more notably, antitumor activity observed in research settings. Its primary use is as a tool to study the mechanisms of enediyne-mediated DNA damage and as a lead compound in the search for novel anticancer therapeutics.</p>

<p>5-Iodo-2’-C-methylcytidine is a synthetic nucleoside that is an activator of DNA polymerases. It has been shown to be an anticancer agent and antiviral agent, with potential applications in the treatment of HIV and HBV infections. 5-Iodo-2’-C-methylcytidine is a novel monophosphate nucleoside that has been modified to improve its stability. This product is sold as a high purity, high quality, NMR grade material that can be used in research or in the manufacture of pharmaceuticals.</p>

<p>2'-Deoxy-5'-O-DMT-5-iodouridine is an intercalating agent that binds to DNA and RNA. It can be used as a probe for the detection of specific sequences in human cells. The fluorophore attached to the molecule allows it to be detected by fluorescence microscopy, while the chromophore is responsible for its ability to emit light at a wavelength of 535 nm. 2'-Deoxy-5'-O-DMT-5-iodouridine has been shown to enhance nucleotide excision repair and increase the sensitivity of cancer cells to chemotherapy drugs such as cisplatin. The molecule can also be used as a fluorescent protein marker in her-2 gene amplification and overexpression studies.</p>

<p>N6-Benzoyl-2'-deoxy-2'-fluoroadenosine 3'-CE phosphoramidite is a novel nucleoside that has antiviral and anticancer properties. It is an analog of adenosine and inhibits the action of ribonucleotide reductase, which is an enzyme that converts ribonucleotides to deoxyribonucleotides. N6-Benzoyl-2'-deoxy-2'-fluoroadenosine 3'-CE phosphoramidite also inhibits the synthesis of DNA, which may be due to its inhibition of DNA polymerase. This compound has been shown to inhibit the growth of leukemia cells in culture and induce apoptosis in human tumor cells.</p>

<p>N4-Acetyl-2'-deoxy-5'-O-DMT-2'-fluorocytidine 3'-CE phosphoramidite is a monophosphate nucleoside analog that is synthesized in an acetylated form. It is an activator of DNA synthesis, and as such, has anticancer activity. This compound also inhibits the replication of DNA viruses and has antiviral activity against influenza virus. N4-Acetyl-2'-deoxy-5'-O-DMT-2'-fluorocytidine 3'-CE phosphoramidite has been shown to be effective in the prevention of HIV infection in vitro.</p>

<p>4-Hydroxy-6-methylpyrimidine (4-OHMP) is a metabolite of trimethyltin. It is formed in the liver by methylation of 4,6-dimethylpyrimidine (4,6-DMPU). The levels of 4-OHMP in urine samples are used to monitor exposure to this agent. The median values for urinary concentrations of 4-OHMP are typically 10 times higher than those found in blood samples. The metabolite can be detected in urine up to 2 weeks after an individual’s last contact with trimethyltin. This compound has been shown to inhibit the synthesis of glycol dimethyl ethers and carbamates.</p>

<p>1-(2'-Deoxy-2'-fluoro-b-D-arabinofuranosyl)uracil 5'-triphosphate triethylammonium salt is an Activator for the synthesis of DNA and RNA. It is a novel synthetic nucleoside that has anticancer activity. 1-(2'-Deoxy-2'-fluoro-b-D-arabinofuranosyl)uracil 5'-triphosphate triethylammonium salt is used as an antiviral agent, inhibiting viral replication by blocking the RNA polymerase enzyme.</p>

<p>N-Succinyl-5-aminoimidazole-4-carboxamide ribose disodium salt is a novel modified nucleoside with anticancer activity. The compound is a monophosphate, which activates DNA and RNA synthesis. This agent also has antiviral and antifungal effects. N-Succinyl-5-aminoimidazole-4-carboxamide ribose disodium salt is synthesized from diphosphate and deoxyribonucleosides. It was first patented in 1979 and has been approved by the US Food and Drug Administration (FDA) for use as a pharmaceutical agent. N-Succinyl-5-aminoimidazole-4-carboxamide ribose disodium salt can be used to produce phosphoramidites, which are synthetic DNA building blocks that are used in the production of DNA and RNA synthesis.</p>

<p>5’-Deoxy-5’-iodo-2’-O-methyluridine is a nucleoside that is modified with the substitution of an iodine atom for a hydrogen atom on the 5′ carbon. It has antiviral and anticancer properties. The high purity and novel structure make this compound useful in DNA synthesis. This product can also be used as a phosphoramidite or deoxyribonucleoside building block in DNA synthesis.</p>

<p>3'-O-Acetyl-5'-tert-butyldiphenylsilyl-2'-deoxy-2'-fluoro-5-methyluridine is a synthetic nucleoside that has antiviral activity. It is a modified nucleoside that contains a monophosphate group, which makes it an activator of DNA polymerase. 3'-O-Acetyl-5'-tert-butyldiphenylsilyl-2'-deoxy-2'-fluoro-5-methyluridine is novel because it contains an acetyl group at the 3' position and a silyl ether on the 2' oxygen atom. 3'-O-Acetyl-5'-tert-butyldiphenylsilyl-2'-deoxy-2'-fluoro -5 -methyluridine has CAS No. 62768‑36‑3 and is available in high purity.</p>

<p>Adenosine-5'-O-(1-thiotriphosphate) lithium salt is an inhibitor of the guanine nucleotide-binding protein that is reversibly inhibited by adenosine triphosphate. It has been shown to inhibit HIV infection by binding to the Ryanodine receptor and blocking the release of calcium ions from intracellular stores. This prevents the activation of caspases, which are enzymes that cause cell lysis. Adenosine-5'-O-(1-thiotriphosphate) lithium salt also blocks transcription and polymerase chain reactions, and may inhibit the growth of cancer cells by inhibiting epidermal growth factor receptors on the cell surface.</p>

<p>Coenzyme and regenerating electron donor in catabolic processes</p>

<p>3’-Azido-3’-deoxy-b-L-adenosine is a novel nucleoside that has been synthesized to be used as an antiviral agent. It is phosphorylated, which allows it to be activated by adenosine kinase, and is thus able to inhibit viral replication and spread. 3’-Azido-3’-deoxy-b-L-adenosine is effective against various viruses, including HIV, herpes simplex virus type 1 (HSV1), and hepatitis C virus (HCV). This nucleoside also has anticancer activity due to its ability to inhibit the synthesis of DNA and RNA. It has been modified from the natural nucleosides with the addition of a 2′,3′ azido group at the 3 position on the ribose sugar. The modification prevents viral resistance because it does not require activation by cellular kinases or phosphorylation in order to be active.</p>

<p>2'-Deoxyadenosine 3'-O-L-valinyl ester is a novel nucleoside phosphoramidite that is synthesized by activating the 2'-deoxyribose phosphate with an L-valyl chloride. This synthetic nucleoside analog can be used as a substitute for dATP in DNA synthesis and has antiviral as well as anticancer activities.</p>