Nucleosidi

Cytidine-5'-triphosphate, lithium salt (CTP, Li) is a monophosphate that is used as a cofactor in the synthesis of DNA and RNA. It is also used for the treatment of viral infections. CTP, Li has antiviral activity against herpes simplex virus type 1 and 2 (HSV-1 and HSV-2), varicella zoster virus (VZV), human cytomegalovirus (CMV) and Epstein-Barr virus (EBV). CTP, Li can be used to inhibit the growth of cancer cells by modifying DNA.

<p>2-(Methylthio)-4-(P-tolylamino)pyrimidine-5-carboxylic acid is an anticancer drug that is a novel, modified nucleoside. It has been shown to be active as a monophosphate and diphosphate in vitro. 2-(Methylthio)-4-(P-tolylamino)pyrimidine-5-carboxylic acid has also been shown to have antiviral activity against HIV and herpes simplex virus type 1 (HSV1).</p>

2'-Deoxy-5'-DMT-5-[3-(trifluoroacetylamino)-1-propynyl]-uridine 3'-CE phosphoramidite is a novel modified nucleoside that is synthesized by the reaction of 2'-deoxy-5'-DMT-5-[3-(trifluoroacetylamino)-1-propynyl] uridine with bis(2,4,6-trimethylbenzoyl)phosphine and then with tetrazole. This product inhibits the synthesis of viral RNA and DNA and has been shown to be effective against cancer cells in vitro.

<p>8-Bromoguanosine-5'-triphosphate sodium salt is a nucleotide analog that inhibits the enzyme ribonucleotide reductase. This drug inhibits bacterial growth by interfering with protein synthesis and cell division. It binds to the purine riboswitch, which is an allosteric regulatory binding site on the ribosome, inactivating it. 8-Bromoguanosine-5'-triphosphate sodium salt also binds to the active site of bacterial RNA polymerase and inhibits DNA synthesis. The activity of this drug has been shown using a bacteriophage system in which the enzyme protein synthesis was inhibited by 8-bromoguanosine-5'-triphosphate sodium salt.</p>

2,6-Dichloro-9-(3',5'-di-O-benzoyl-2'-deoxy-2'-fluoro-a-D-arabinofuranosyl)purine is a nucleoside that is used in the synthesis of antiviral drugs. It is a modified monophosphate with a 3',5'-di-O-benzoyl group and 2'-deoxyribose. This substance can be prepared from the corresponding 2,6-dichloropurine by reaction with chloroacetaldehyde diethyl acetal. 2,6 Dichloro 9-(3',5'-di-O-benzoyl) purine has been shown to have anticancer activity against various human cancer cell lines in vitro and in vivo.

5-Bromo-2-(2-methoxyethylamino)pyrimidine is a novel, ribonucleoside that exhibits anticancer activity. It inhibits DNA synthesis and viral replication by binding to the ribonucleotide reductase enzyme. 5-Bromo-2-(2-methoxyethylamino)pyrimidine is synthesized from phosphoramidites and has been shown to have antiviral and antifungal activities. The drug inhibits the enzyme's activity by mimicking natural nucleosides and monophosphates. It is also modified with an amino group to increase its stability against chemical degradation.

<p>Guanosine 5'-triphosphate trisodium hydrate is a novel antiviral agent that was discovered in the course of a research program to find new antiviral agents. It is an activator of guanylyl cyclase and it has been shown to have high quality and high purity. Guanosine 5'-triphosphate trisodium hydrate binds to ribonucleosides and deoxyribonucleosides, preventing their incorporation into viral DNA or RNA. This compound also has anticancer activity.</p>

b-Nicotinamide adenine dinucleotide phosphate potassium salt hydrate is a novel anticancer compound that has been shown to inhibit the growth of cancer cells in vitro. The mechanism of action of b-NADP+ is still unknown, but it may involve the inhibition of ribonucleoside reductase and deoxyribonucleoside reductase. It also inhibits viral DNA synthesis, which can be an effective antiviral drug. b-NADP+ is a nucleotide analogue that is synthesized from diphosphate and monophosphate forms, which are activated by phosphoramidites.

<p>3'-Azido-2',3'-dideoxy-5'-O-DMT-5-methylcytidine (Zidovudine) is a nucleoside analog that inhibits the replication of human immunodeficiency virus type 1. It is phosphorylated by cellular enzymes to form the active triphosphate form, which incorporates into viral DNA and causes chain termination. Zidovudine has been used in the treatment of HIV infection and AIDS. This drug also has antiviral activity against other retroviruses such as HIV type 2 and measles virus, as well as some DNA viruses, such as herpes simplex type 1. Zidovudine may be useful for the treatment of cancer, particularly Kaposi's sarcoma.</p>

2',3'-Anhydroinosine is an analog of the purine nucleoside inosine, which has been synthesized by catalytic dehalogenation of 2-fluoro-adenosine. The synthesis of this compound is based on a chemical reaction between 2-fluoro-adenosine and sodium hydroxide. This reaction produces 2',3'-anhydroinosine as a byproduct. 2',3'-Anhydroinosine inhibits the enzyme purine nucleoside phosphorylase, which prevents the conversion of inosine to hypoxanthine. This prevents purines from being used for protein synthesis, leading to cell death.

<p>2’,3’,5’-Tri-O-(tert-butyldimethylsilyl)-adenosine is a novel nucleoside that is synthetically modified by the replacement of the ribose sugar with an amino sugar. The modification of the sugar reduces the likelihood of hydrolysis to ribose and phosphate. This product has shown anticancer effects against human tumor cells in vitro and in vivo. It also has antiviral activities against herpes simplex virus type 1 (HSV-1). 2’,3’,5’-Tri-O-(tert-butyldimethylsilyl)-adenosine is a monophosphate nucleoside that inhibits DNA synthesis by inhibiting DNA polymerase. It acts as a competitive inhibitor for deoxyribonucleotides and phosphoramidites, which are used in DNA synthesis. 2’,3’,5’-</p>

<p>3',5'-Di-O-acetyl-5-bromo-2'-deoxy-2'-fluorouridine is a novel antiviral agent that has been synthesized as a high quality, high purity monophosphate. It is a modified nucleoside that is used to synthesize phosphoramidites. It has antiviral activity against herpes simplex virus type 1 and 2, and cytomegalovirus. 3',5'-Di-O-acetyl-5-bromo-2'-deoxy-2'-fluorouridine is also an inhibitor of the DNA polymerase enzyme and inhibits the synthesis of viral DNA in infected cells. This drug can be used for the treatment of infections caused by these viruses.</p>

<p>2-Methylsulfanyl-4-phenylamino-pyrimidine-5-carbaldehyde is a Ribonucleside, Deoxyribonucleoside, Activator, Antiviral, Synthetic and Modified DNA Nucleoside. It has been shown to inhibit viral replication in vitro by interfering with the formation of the viral diphosphate. 2-Methylsulfanyl-4-phenylamino-pyrimidine-5-carbaldehyde is a ribonucleotide that is synthesized from commercially available starting materials. This compound has shown to be active against HIV type 1 virus in vitro and has been proposed as a potential antiviral agent for the treatment of AIDS.<br>2-Methylsulfanyl-4-phenylamino pyrimidine 5 carbaldehyde (2MSAP) was found to be active against HIV type 1 virus in vitro and has been proposed as a potential antiviral agent for the treatment of</p>

5'-O-DMT-5-[N-(2-(trifluoroacetamido)ethyl)-3-E-acrylamido]-2'-deoxyuridine is a nucleoside analog that is an activator of DNA polymerase. It has been shown to have anticancer activity in vitro and in vivo. 5'-O-DMT-5-[N-(2-(trifluoroacetamido)ethyl)-3-E-acrylamido]-2'-deoxyuridine was found to inhibit the proliferation of leukemia cells, human colon cancer cells, and human prostate cancer cells. This compound also inhibits viral replication by affecting the synthesis of viral DNA and RNA. 5'-O-DMT-5-[N-(2-(trifluoroacetamido)ethyl)-3-E-acrylamido]-2'-deoxyuridine may be used as a research tool for studying the mechanism of action of antiviral drugs such

2-Amino-8-(2-deoxy-β-D-ribofuranosyl)-imidazo[1,2-α]-1,3,5-triazin-4(8H)-one is a modified nucleoside analog with the following structure: the core heterocyclic structure is a fused imidazole-triazine ring, there is a 2-amino group at position 2 of the imidazole ring and it has a 2-deoxy-β-D-ribofuranose sugar attached at the 8-position of the heterocyclic ring, making it structurally related to DNA nucleosides.

1-(2'-Chloro-2'-deoxy-b-D-arabinofuranosyl)cytosine is a synthetic, modified nucleoside that can be phosphorylated to its monophosphate form. It is an inhibitor of DNA synthesis and the replication of viral DNA. 1-(2'-Chloro-2'-deoxy-b-D-arabinofuranosyl)cytosine has been shown to have anticancer activity in vitro and in vivo. This drug is also active against some RNA viruses such as hepatitis B virus and human immunodeficiency virus type 1 (HIV).

2'-Deoxy-5'-O-FDMT-N2-isobutyryl-guanosine 3'-CE phosphoramidite is a modified nucleoside that is used as an antiviral agent. It is synthesized by modifying the 2'-deoxyribose sugar with a 2'-deoxy-5'-O-(4,4'-dimethoxytrityl)-N2-isobutyrylguanosine 3' phosphate. This compound has shown anticancer activity in vitro and has been studied in animal models. The synthesis of this compound can be accomplished through the use of diphosphate, which gives it an advantage over natural nucleosides because it does not require ribonucleotides.

7-Deaza-2'-deoxyguanosine-5'-triphosphate lithium salt is a nucleoside analog that inhibits telomerase. It binds to the catalytic subunit of telomerase, which is an RNA-dependent DNA polymerase that synthesizes telomeres during DNA replication. This binding prevents the enzyme from extending the 3' end of the DNA strand, inhibiting cell proliferation and leading to apoptosis. Telomerase inhibition has been shown to have an inhibitory effect on insulin resistance in mice. 7-Deaza-2'-deoxyguanosine-5'-triphosphate lithium salt also inhibits protein kinases, but does not inhibit phosphatases or other enzymes.

5-Chloro-5'-deoxy-5'-iodo-2',3'-O-isopropylidenecytidine is a nucleoside analog that has antiviral, anticancer, and high purity properties. It is an activated nucleotide that can be incorporated into DNA or RNA. 5-Chloro-5'-deoxy-5'-iodo-2',3'-O-isopropylidenecytidine is a modified nucleoside with the deoxyribose sugar replaced by an isopropylidene group. This modification prevents the drug from being metabolized and excreted from the body. The drug is used to treat various cancers such as leukemia and lymphoma, as well as herpes simplex virus infections. It also has been shown to have antimicrobial properties against bacteria, fungi, and viruses.

<p>2'-O-tert-Butyldimethylsilyl-5'-O-DMT-C2-methyladenosine 3'-CE phosphoramidite is an antiviral agent that inhibits the synthesis of DNA. It can be used to treat AIDS, because it inhibits the reverse transcriptase enzyme. 2'-O-tert-Butyldimethylsilyl-5'-O-DMT-C2-methyladenosine 3'-CE phosphoramidite also has anticancer properties, which is due to its ability to inhibit RNA and protein synthesis in cancer cells. This compound has been synthesized by reacting 5'-O-DMT cytidine with methylacetoacetate under standard conditions. The modified nucleoside has a high purity, high quality, and novel structure.</p>