Nucleosidi

3'-Deoxy-L-thymidine is a nucleoside analog that inhibits HIV replication by interfering with the synthesis of viral DNA. The drug binds to the enzyme thymidine phosphorylase, which converts thymidine into deoxyuridine monophosphate, and prevents conversion of deoxyuridine to deoxythymidine monophosphate. This leads to inhibition of both DNA synthesis and the production of RNA. 3'-Deoxy-L-thymidine has dose-limiting toxicity at high doses and is not active against other viruses such as herpes simplex virus or cytomegalovirus. It is metabolized in the liver by enzymes such as 5-fluorocytosine, which converts it into its active form, 5-fluorouracil.

3'-O-Methyl-5'-guanylic acid is a novel antiviral, synthetic deoxyribonucleoside which is activated by phosphoramidites to produce 3'-O-methyl-5'-guanylic acid phosphoramidite. It has high purity and quality and can be used as a nucleoside activator for DNA synthesis. 3'-O-Methyl-5'-guanylic acid has been shown to be an anticancer agent that inhibits the growth of cancer cells in vitro by inhibiting DNA synthesis and cell division. This drug also has a potential use as an antiviral agent.

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7-Benzyl-4-chloro-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine is a nucleoside analog that is used as an antiviral and anticancer drug. It has also been shown to have antimalarial activity. 7-Benzyl-4-chloro-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine inhibits the replication of HIV by blocking the viral reverse transcriptase enzyme. This drug is a phosphoramidite monophosphate with a purity of 99%.

N4-Benzoyl-2'-deoxy-3'-O-levulinoylcytidine is a nucleoside that is used as an antiviral and anticancer agent. It is a modified deoxyribonucleoside that has antiviral activity against HSV-1, HSV-2, and HIV. N4-Benzoyl-2'-deoxy-3'-O-levulinoylcytidine also has anticancer effects against leukemia cells in mice. This drug is synthesized from 2′,3′,5′triacetyladenosine by the reaction of 4-(1H)-benzoyloxymethyl)phenylacetic acid with triethylamine and levulinic acid chloride.

2'-Deoxy-5'-O-DMT-N2-isobutyryl-guanosine-3'-lcaa-CPG is a modified nucleoside, which is synthetically prepared. It is an activator of DNA polymerase and has been shown to be active against human leukemia cells. 2'-Deoxy-5'-O-DMT-N2-isobutyryl Guanosine 3'-lcaa CPG has also been shown to inhibit the replication of the herpes simplex virus type 1 in vitro. The compound is a novel high quality nucleoside phosphoramidite that can be used as a building block in the synthesis of deoxyribonucleosides and modified nucleosides with novel chemical structures.

Cytidine 5'-monophosphate sodium salt is a nucleotide that is found in RNA and DNA. Cytidine 5'-monophosphate sodium salt is an intermediate in the biosynthesis of uridine, choline, and saccharose. It also plays an important role in the immune system as it can be a precursor for immunoglobulins. The reaction rate of cytidine 5'-monophosphate sodium salt with lipase has been shown to be constant at pH 7.5-8.0 and 37°C. This product has been shown to have emulsifying properties by forming micelles with water-immiscible solvents such as hexane or heptane, which may be due to its ability to form hydrogen bonds with other molecules such as saccharose or guanosine. Cytidine 5'-monophosphate sodium salt can also be used as a chromatographic material for separating saccharose from other sugars

2-Hydroxyaminoadenosine (2-HAA) is a novel nucleoside that is used as an activator of ribonucleotide reductase. It has been shown to be effective against cancer cells in vitro and in vivo. 2-HAA also inhibits the synthesis of viral DNA, which may be due to its ability to inhibit the ribonuclease activity of the virus. 2-HAA has also been shown to have antiviral activity against herpes simplex virus type 1 (HSV-1).

2'-Deoxy-N6-phenoxyacetyladenosine is a cyclic oligonucleotide analog that has been shown to be efficient in inhibiting the replication of RNA. It binds to the RNA polymerase, preventing transcription and replication of the nucleic acid. 2'-Deoxy-N6-phenoxyacetyladenosine is also an effective inhibitor of DNA synthesis and can inhibit the synthesis of proteins by binding to ribosomes. This drug is structurally similar to deoxyadenosine, which is a component of DNA, and it has been shown to be more potent than other analogs.

5'-O-DMT-2'-O-(2-methoxyethyl)uridine is a modified nucleoside that is an antiviral and anticancer agent. It was first synthesized in the early 1980s, and has been shown to be active against a variety of viruses, such as herpes simplex virus (HSV), varicella zoster virus (VZV), cytomegalovirus (CMV), hepatitis B virus (HBV), and Epstein-Barr virus (EBV). 5'-O-DMT-2'-O-(2-methoxyethyl)uridine inhibits the growth of cancer cells by interfering with DNA synthesis. This drug also has been shown to be an activator for DNA polymerases and is used as a building block for antiretroviral drugs.

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2′,3′,5′-Tri-O-acetylinosine is a protected form of the nucleoside inosine, with potential for use in the preparation of modified nucleotides and nucleoside analogs.

5'-O-Tosylthymidine is a bifunctional reagent that is used in the synthesis of DNA. It is a nucleophilic, inorganic compound that reacts with the electrophilic acrylonitrile group on 5'-hydroxythymidine to form a stable thiophosphate linkage. The reaction takes place stepwise and is catalyzed by an enzyme called DNA polymerase. This product has been used as an antimetabolite in medicine, mainly for treating leukemia.

N2-Benzoylguanosine is a nucleotide derivative that is formed by the acetylation of guanosine. It has been shown to act as a buffer in alkaline solutions and isomerizes to its n-oxide form when heated. N2-Benzoylguanosine reacts with peroxides such as hydrogen peroxide, glyoxal, and organic peroxides, forming hydroperoxide intermediates that can be converted into other products. The acidic hydrolysis of N2-benzoylguanosine yields the corresponding 6-benzoyladenosines. It has been shown to enhance the activity of uridine in inhibiting bacterial growth, while also acting as an inhibitor of viral RNA synthesis. This compound also reacts with nitrous acid to form an n6-benzoyladenosine derivative that inhibits the formation of RNA chains during transcription.