Nucléosides

8-Aza-6-hydroxy-2-mercaptopurine (8AzaMP) is a novel nucleoside analog that is an activator of the thymidylate synthase enzyme. It has been shown to inhibit the replication of many DNA viruses and to inhibit tumor growth in animal models. 8AZA MP has been evaluated in Phase I and II clinical trials for the treatment of various cancers, including malignant melanoma, renal cell carcinoma, and chronic lymphocytic leukemia. This drug has also shown promise as a chemotherapeutic agent for AIDS patients with HIV infection or AIDS-related complex.

<p>4-Thiothymidine is a nucleoside analog that is converted to thymidine by the enzyme thymidine kinase. It has been shown to inhibit the growth of human skin cancer cells by binding to DNA duplexes and inhibiting the synthesis of new DNA strands. 4-Thiothymidine has also been shown to be effective against radiation-induced damage in cultured human cells and inhibits tumor growth in mice bearing a transplantable mouse skin cancer. 4-Thiothymidine can be used as an inhibitor for chemotherapy or radiation therapy for cancer patients. It is active on both site-specific and cell-specific gene targets, with a reactive hydrogen bond that helps stabilize its formation.</p>

<p>3'-Azido-3'-deoxy-b-L-cytidine is a novel nucleoside that has been shown to be an activator of the ribonuclease activity of purified RNase A in vitro. This product is suitable for use in synthesis of oligodeoxynucleotides and phosphoramidites. 3'-Azido-3'-deoxy-b-L-cytidine can be used as a potential anticancer drug or antiviral agent.</p>

<p>5’-O-Acetyl-5-acetyloxymethyluridine is an activated nucleoside that is a phosphoramidite. It can be used in the synthesis of oligonucleotides and has antiviral, anticancer, and antiretroviral activities. This product is a novel compound that can be used to synthesize high quality deoxyribonucleosides and diphosphate ribonucleosides. 5’-O-Acetyl-5-acetyloxymethyluridine is an activator for DNA polymerases and RNA polymerases with a high degree of purity.</p>

<p>Flavin adenine dinucleotide, also known as FAD, plays a crucial role in several enzymatic reactions involved in metabolism. It is essential for the function of flavoproteins, which are involved in processes such as the electron transport chain and the citric acid cycle.</p>

4’,5’-Didehydro-2’-O-(2-methoxyethyl)-5-methyluridine (DdeO) is a novel phosphoramidite that is synthesized from 2’,3’-dideoxycytidine. It is used in DNA synthesis and as an antiviral and anticancer agent. DdeO has shown to be a potent activator of the p53 tumor suppressor gene and inhibits the proliferation of human cancer cells by inhibiting the activity of DNA polymerase alpha. DdeO also inhibits viral replication by interfering with viral DNA synthesis.

<p>2'-O-Benzoyl-5'-O-DMT-4-thiouridine is a phosphoramidite monophosphate nucleoside analog. It has antiviral and anticancer properties, and has been shown to activate the immune system in mice. 2'-O-Benzoyl-5'-O-DMT-4-thiouridine is also novel because it is structurally different from all other nucleosides that have been studied for antiviral and anticancer activity. This drug can be used as an activator of DNA synthesis in vitro.</p>

<p>5’(R)-C-Methyl-5-fluorouridine is a nucleoside that has been shown to activate both ribonucleosides and deoxyribonucleosides. 5’(R)-C-Methyl-5-fluorouridine is a novel nucleotide with the potential to be used in anticancer therapy. It can be used as a building block for DNA synthesis, as well as being able to act as an anticancer drug by inhibiting the growth of cancer cells. This product is made from high quality raw materials and has a purity of at least 98%. It is available in powder form.</p>

N6-Benzoyl-5'-O-DMT-2'-O-[([triisopropylsilyl]oxy])methyl]-adenosine is a novel nucleoside that is chemically modified with an ortho-benzoyl group and a triisopropylsilyl ether moiety. It is used as a precursor for the synthesis of phosphoramidites, which are then used to synthesize DNA, RNA, and antiviral agents. N6-Benzoyl-5'-O-DMT-2'-O-[([triisopropylsilyl]oxy])methyl]-adenosine has shown anticancer activity in vitro against human tumor cell lines. The results showed that this agent inhibited the proliferation of tumor cells and induced apoptosis in these cells. This compound also has antiviral properties by inhibiting viral replication at the level of DNA synthesis and RNA transcription.

N4-Acetyl-2'-deoxycytidine is a nucleoside analogue that acts as an inhibitor of DNA synthesis. It binds to the active site of the enzyme ribonucleotide reductase, blocking the conversion of ribonucleotides to deoxyribonucleotides. This prevents DNA synthesis and replication, which leads to cell death. N4-Acetyl-2'-deoxycytidine has been shown to be more efficient than other analogues in terms of energy efficiency, control levels, and constant linear model. This compound is reactive and can cause low yields when isolated from solutions with high concentrations. A diode can be used for analytical purposes, while calcium binding may be used as a mathematical model in order to analyze this drug.

<p>5'-Deoxy-5-fluorocytidine is a cytosolic nucleoside analogue that is phosphorylated by cellular enzymes to the active form 5'-deoxy-5-fluorouridine monophosphate. It is a prodrug, which is activated in the body to release 5-FU and inhibits the growth of cancer cells. 5'-Deoxy-5-fluorocytidine has been shown to be effective against metastatic colorectal cancer in humans and resistant breast cancer in mice. The drug can also be used as an oral prodrug for 5-FU, which has a wide therapeutic index and low toxicity. Studies have shown that it selectively inhibits proliferation of solid tumours through inhibition of protein synthesis and cell division. The drug also has antiangiogenic effects, which are thought to contribute to its antitumor activity.</p>

9-(3',5'-Di-O-acetyl-2'-O-methyl-b-D-ribofuranosyl)-6-chloropurine is a novel and high quality antiviral monophosphate deoxyribonucleoside. It is synthesized from 2'-deoxyadenosine monophosphate, 2'-deoxycytidine monophosphate, and 6-chloropurine by the phosphorylation of nucleosides with a modified phosphoramidite method. The polymerase chain reaction (PCR) amplification of HIV DNA was inhibited with this compound in vitro. This drug also has anticancer activity when it is used in combination with other chemotherapeutic drugs such as gemcitabine, cisplatin, and paclitaxel.

<p>9-(b-D-Arabinofuranosyl)adenine is a nucleoside that is used as an antiviral agent. It binds to viral RNA and inhibits viral replication. 9-(b-D-Arabinofuranosyl)adenine has been shown to have potent side-effect profiles, including myocardial infarct, neuronal death, and immunological reactions. These effects are due to its ability to inhibit the synthesis of guanine nucleotides in the heart and brain cells, which are essential for energy production and neurotransmitter release respectively. 9-(b-D-Arabinofuranosyl)adenine also binds to toll-like receptors (TLRs), which are proteins found on the surface of cells that recognize invading microbes or foreign substances. This binding leads to activation of immune response pathways.</p>

N4-Benzoyl-2'-deoxy-5'-O-DMT-cytidine 3'-thiophosphoramidite is a novel nucleoside that has been shown to inhibit the growth of cancer cells in vitro. It is an analogue of cytidine and inhibits DNA synthesis by inhibiting the enzyme ribonucleotide reductase, which converts ribonucleotides to deoxyribonucleotides. This drug also inhibits the synthesis of viral RNA in cells infected with human immunodeficiency virus (HIV) and herpes simplex virus type 1 (HSV-1). N4-Benzoyl-2'-deoxy-5'-O-DMT-cytidine 3'-thiophosphoramidite is a phosphoramidite that is synthesized from 2,4,6-trichlorobenzoyl chloride, 5'-O-[(N,N-diisoprop

9-(2'-Deoxy- 2'- fluoro- a- D- arabinofuranosyl) -9H- purin- 6- amine is an antiviral and anticancer agent. It can be used as a monophosphate or as a phosphoramidite for the synthesis of DNA, RNA, and modified nucleosides. The chemical name is 9-(2'-deoxy-2'-fluoro-a-D-arabinofuranosyl)-9H-purin-6-amine. It has the CAS number 20187-82-0. This drug was synthesized in 1976 by Koehler and colleagues at Bayer. The molecular weight is 268.46 g/mol, with a melting point of 190°C, boiling point of 320°C and density of 1.408 g/mL at 20°C. It is soluble in water, methanol, ethanol, chloroform and acetic acid

<p>9-(b-L-Arabinofuranosyl)guanine (9-Araf) is a nucleoside analogue that is used as an antiviral and anticancer agent. It is synthesized by the reaction of 2,4-diaminopyrimidine with b-L-arabinofuranosyl chloride. This product is soluble in water and ethanol. 9-(b-L-Arabinofuranosyl)guanine has antiviral activity against Herpes simplex virus type 1, herpes simplex virus type 2, cytomegalovirus, and Epstein Barr Virus. In addition to its antiviral activity, 9-(b-L-Arabinofuranosyl)guanine also has anticancer activity against human cancer cells and has been shown to inhibit the growth of leukemic cells in mice.</p>

2'-O-Methyladenosine (2'-OMeA) is a nucleoside that is a low-energy analog of adenosine. It has been shown to be an effective inhibitor of protein synthesis in vitro, by inhibiting RNA polymerase in the process of transcription. 2'-OMeA has also been shown to inhibit virus replication in vitro and to have potent inhibitory activity against human immunodeficiency virus type 1 (HIV-1). 2'-OMeA inhibits viral replication by binding to the viral ribonucleotide reductase enzyme and blocking the conversion of ribonucleotides into deoxyribonucleotides. The chemical structures of 2'-OMeA are similar to those found in fatty acids and can be detected using chemical ionization mass spectroscopy. The sequence for 2'-OMeA was determined through sequencing methods including NMR spectroscopy and nuclear magnetic resonance data analysis.

<p>β-Nicotinamide adenine dinucleotide reduced form, most commonly known as NADH, is a cofactor involved in the electron transport chain, in the metabolism of amino acids and many other cellular processes such as the synthesis of ATP. It is also a substrate for glutathione peroxidase and superoxide dismutase. The reduced form of NADH can be used as an indicator for glutathione peroxidase activity. In addition, it has been shown to have antioxidant properties by reducing reactive oxygen species (ROS) and inhibiting lipid peroxidation. This product has been used in formulations of synthetic drugs for the treatment of women with long-term effects of menopause, such as osteoporosis and cardiovascular disease. It has also been used in the production of alginate gel, which can be used to create scaffolds for tissue engineering applications. More recently, in bioorganic chemistry, NADH has been used as a source of hydride species for reduction reactions.</p>

Cytidine 5'-monophosphate disodium salt (CMPDS) is a prodrug that is converted to cytidine 5'-monophosphate, an active form, in the acidic environment of cancer cells. CMPDS has been shown to inhibit the growth of squamous carcinoma and other solid tumours by binding to survivin, which regulates cell growth and apoptosis. CMPDS also inhibits the activity of matrix metalloproteinases-9 (MMP-9), an enzyme that promotes tumor growth by breaking down connective tissue. This drug can be used as a therapeutic agent for treatment of congestive heart failure due to its ability to increase mitochondrial membrane potential and decrease myocardial infarct size.

2'-Deoxypseudoisocytidine is a synthetic nucleoside that is structurally similar to pseudoisocytidine. It is used as an anti-cancer agent in labeling studies. The compound exhibits cytotoxic activity against tumor cells and inhibits the growth of cultured human cancer cell lines. 2'-Deoxypseudoisocytidine has been shown to be effective in preventing the growth of brain tumors in mice by targeting DNA synthesis, which may be due to its ability to act as an analog of cytosine and bind to DNA. This drug also has potential for use as a chemotherapeutic agent for leukemia and other cancers.