Nucléosides

<p>3'-O-[(Propan-2-ylidene)amino]-thymidine 5'-triphosphate is an antiviral and anticancer agent that is used for the synthesis of DNA and RNA. It is a novel nucleoside analog that has been modified to be activated by phosphoramidite chemistry. 3'-O-[(Propan-2-ylidene)amino]-thymidine 5'-triphosphate is synthesized from 2,6-diisopropylaniline, methyl 3-(aminomethyl)-1H-pyrrole-2,4-dicarboxylate, and propylamine in cyclohexane at reflux.</p>

<p>3'-Amino-N6-benzoyl-2'-O-tert-butyldimethylsilyl-5'-O-DMT-3'-deoxyadenosine is a nucleoside that is synthesized by the modification of deoxyadenosine. It has antiviral and anticancer properties, as well as other novel applications. The synthesis of this compound can be achieved in two steps: first, the amino group is attached to the 3' carbon atom of the sugar ring by reacting with N6-(benzoyl)adenine. In the second step, a silyl group is attached to the 5' carbon atom of the sugar ring by reacting with tert-butyldimethylchlorosilane and DMT (dimethoxytrityl).</p>

<p>2'-Deoxy-N6-DMF-5'-O-MMT-adenosine 3'-CE phosphoramidite is a high purity, diphosphate nucleotide analog. It is an anticancer drug that inhibits DNA synthesis and can be used to treat cancer. The 2'-deoxy-N6-DMF moiety has been shown to inhibit the activity of DNA polymerase and other enzymes involved in DNA replication. This compound also has a novel mechanism of action that is not present in any other known anticancer drugs. CAS No. 195375-66-7.br&gt;br&gt;2'-Deoxy-N6-DMF 5'-O-MMT adenosine 3'-cephosphoramidite is often used as a building block for oligonucleotide synthesis because it is resistant to the removal of phosphate groups by alkaline phosphatases. The lack of phosphate groups makes this compound more stable than standard nucleotides</p>

<p>N2-Acetyl-6-[2-(4-nitrophenyl)ethoxy]-2'-O-trifluoromethanesulfonyl-3',5'-di-O-tritylguanosine is a novel nucleotide that is activated by the addition of 2'-deoxyribonucleosides and has antiviral activity. It was synthesized from 2'-deoxynucleoside 5'-triphosphates and 4,4'-dimethoxytrityl chloride in high yield. The compound is also shown to have anticancer activity against human leukemia cells and breast cancer cells.</p>

<p>An azanucleoside and epigenetic modulator that interferes with nucleic acid metabolism. The compound gets incorporated into RNA and inhibits ribonucleotide reductase subunit RRM2 in leukemia cell lines. Intracellularly, 5-azacytidine can get converted into 2′-deoxy-5-azacytidine (decitabine) and subsequently incorporated in DNA, where it irreversibly inhibits DNMT1 methyltransferase. In human epithelial cell lines, this compound decreases Src-activated expression of a histone chaperone CAF1 and inhibits cell motility and invasiveness.</p>

<p>4-Chloro-7-(2-deoxy-3,5-bis-O-(p-toluoyl)-beta-D-ribofuranosyl)-5-iodo-7H-pyrrolo[2,3-d]pyrimidine is a synthetic activator that selectively activates the transcription of genes in cells. It has been shown to have anticancer activity and may be useful as a therapeutic agent for the treatment of certain cancers. 4C 7 (2dEB 3,5BT) 5I is also known to be an antiviral agent against HIV and influenza virus. The modification on the 2'-deoxyribose sugar moiety can enhance both activation and antiviral activities.</p>

<p>1-(2’-Deoxy-2’-fluoro-β-D-arabinofuranosyl)-N3-(2S)-(2-amino-3-carbonyl]propyluracil is a novel, anticancer drug. It is active against both RNA and DNA viruses, such as HIV, influenza virus and herpes virus. 1-(2’-Deoxy-2’-fluoro-β-D-arabinofuranosyl)-N3-(2S)-(2-amino-3-carbonyl]propyluracil has been shown to be an activator for phosphoramidites in aqueous solution. This compound is of high purity with CAS No. 2072145–25–4. It is also a synthesized, monophosphate nucleoside that can be used in the production of modified nucleosides for therapeutic purposes or as antiviral agents</p>

<p>5-Bromo-2'-deoxyuridine-5'-monophosphate sodium salt (BrdUMP) is an antiviral agent that inhibits the synthesis of DNA. It has shown activity against herpes simplex virus and cytomegalovirus, and has been used in the treatment of Kaposi's sarcoma. BrdUMP is a monophosphate prodrug that is activated by ribonucleoside diphosphates to inhibit the production of viral DNA and RNA. This drug has anticancer properties due to its ability to inhibit cell division. BrdUMP is synthesized from 2'-deoxyuridine-5'-monophosphate, which is obtained from uracil or thymine. The CAS number for this compound is 51432-32-7, and it can be used as a phosphoramidite for the preparation of DNA, RNA, or oligonucleotide analogues.</p>

<p>2',3'-Dideoxyinosine is a purine analog that can suppress human immunodeficiency virus (HIV) replication after intracellular metabolic conversion</p>

<p>4'-C-Fluoroadenosine is a fluorine-substituted analog of adenosine, which has been shown to have minimal toxicity in animals. 4'-C-Fluoroadenosine inhibits the uptake of trypanosomes by macrophages and has been shown to be effective in treating Leishmania donovani infections in mice. Its mechanism of action is not yet clear, but it may involve inhibiting the enzymatic activity of enzymes involved in the metabolism of adenosine and/or enhancing the activity of those that are involved in catalysing adenoside triphosphate synthesis.</p>

<p>5'-O-Pixylthymidine is a modified nucleoside that has been shown to have anticancer and antiviral activity. It is an analog of thymidine, which is a deoxynucleoside. 5'-O-Pixylthymidine can be converted into diphosphate form by addition of phosphoramidites or ribonucleosides. This nucleotide can also be used as a building block for the synthesis of oligonucleotides, which are synthetic DNA molecules with therapeutic applications.</p>

<p>2'-Deoxy-N2-DMF-5'-O-MMT-guanosine, also known as 2'-deoxy-N2,5'-O-(dimethoxytrityl)-guanosine, is a high quality, novel nucleoside analog that has been shown to be an effective antiviral. It was synthesized in 1972 by the group of E.J. Corey and is structurally similar to other nucleosides such as ribonucleosides or deoxyribonucleosides. It is a monophosphate that can be converted into a diphosphate by adding phosphorus ions and ATP. 2'-Deoxy-N2,5'-O-(dimethoxytrityl)-guanosine is not found in nature but can be used as an antiviral agent because it inhibits the replication of RNA viruses such as HIV and influenza A virus.</p>

<p>2,4-Dithiothymidine (DT) is a chemotherapeutic that has been shown to be clinically effective in the treatment of hematopoietic malignancies. It is an oligothymidylate analogue that contains a pyrimidine heterocycle and an ethylthio group. DT is not a nucleoside analog, but it inhibits DNA synthesis by binding to the enzyme thymidylate synthase and preventing the formation of thymine from uracil. DT also binds to single-stranded DNA with high affinity and alters its conformation, which may inhibit transcription and replication. The photophysical properties of this molecule are studied theoretically using quantum mechanics and population analysis theory. The reagent DT can be used to focus attention on other molecules or conformation states of proteins that might have improved biological activity.</p>

<p>Diquafosol Impurity 2 is a high-purity phosphoramidite that can be used for the synthesis of DNA, RNA, and deoxyribonucleosides. This product is also a novel activator for phosphoramidites. Diquafosol Impurity 2 has CAS No. 63785-59-1 and a molecular weight of 228.24 g/mol. It is insoluble in water, but soluble in most organic solvents.</p>

<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>8-Hydroxyadenosine (8-OHdG) is a purine nucleoside that is formed as a result of oxidative DNA damage. It is not an essential metabolite because it can be synthesized de novo. 8-OHdG has been shown to have potent anti-tumor activity in vitro and in vivo, which may be due to its ability to inhibit DNA replication. The biological effects of 8-OHdG are attributed to its ability to form hydrogen bonds with guanine residues in the double helix, and electrochemical detectors have been developed for its detection.</p>

<p>5'-O-p-Anisoyl-2'-deoxyuridine is a novel activator that is an analogue of pyrimidine and has been synthesized for the first time. It belongs to the group of nucleosides and has been modified chemically. This compound can be used as a pharmaceutical drug for the treatment of cancer or viral infections.</p>

<p>N6-Benzyladenosine 5'-monophosphate sodium salt is a nucleoside that is not identified. It has been shown to be metabolized by adenosine deaminase and may have antitumor activity. N6-Benzyladenosine 5'-monophosphate sodium salt is also a radioactively labeled adenine analog that has been used in the study of metabolic pathways.</p>

<p>TFA-aa-dUPhosphoramidite is a high quality, novel DNA phosphoramidite. It is used for the synthesis of deoxyribonucleosides and ribonucleosides. TFA-aa-dUPhosphoramidite has been shown to be an activator in the synthesis of RNA and DNA, and it is also resistant to degradation by nucleases. This product has CAS No.</p>

<p>2’-Deoxy-2’-fluoroadenosine 5’-monophosphate triethyl ammonium salt is a nucleoside phosphoramidite that acts as an antiviral agent. It is used to treat influenza and herpes simplex virus infections. 2’-Deoxy-2’-fluoroadenosine 5’-monophosphate triethyl ammonium salt also inhibits the growth of cancer cells, but has not been shown to be effective against bacterial or fungal infections.</p>