Açúcares e Nucleobases da Espinha Dorsal

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8-Hydroxyadenine is a reactive molecule that is used in the treatment of HIV infection. It is an inhibitor of reverse transcriptase and has been used to protect DNA against radiation damage. 8-Hydroxyadenine has been shown to induce a number of genotoxic effects, including neuronal death. 8-Hydroxyadenine can also be used as a DNA probe for the detection of HIV, with the advantage over other probes of having a high specificity for its target sequence.

Adenine sulphate is a nucleotide that is involved in the formation of DNA and RNA. Adenine sulphate is synthesized from adenosine triphosphate and sulfuric acid. It has been shown to be an important component of DNA polymerase, which is responsible for the production of RNA and DNA. Adenine sulphate also plays a role in the development of insect resistance in plants and tissue culture cells. Adenine sulphate levels have been found to be reduced in patients with orotic aciduria, a condition characterized by high levels of orotic acid in the urine. The decreased adenine sulfate levels are thought to be due to an imbalance between adenosine diphosphate, which inhibits adenylosuccinate lyase (ADSL), and sulfite oxidase (SOX) activity. ADSL converts adenosine diphosphate into adenosinethiol disulfide, while SOX converts sulfite into hydrogen sulfide

3’-Deoxy-5-fluorouridine is a synthetic compound that is used as an anticancer drug. It has been shown to induce apoptosis in cancer cells through the modulation of polymerase, synthetase and other enzymes involved in DNA synthesis. 3’-Deoxy-5-fluorouridine also inhibits the activity of viral thymidylate synthase, which prevents the conversion of deoxyuridine triphosphate (dUTP) to thymidylate monophosphate (dTMP), preventing DNA replication and cell division. This chemical can be synthesized by reacting uracil with trifluoroacetic acid followed by saponification.

N9-Benzyladenine is a drug that regulates the activity of adenosine receptors. It is an endogenous substance found in plants and animals, but can also be synthesized chemically. N9-Benzyladenine has been shown to inhibit protein synthesis by binding to cyclic nucleotide phosphodiesterases, resulting in the accumulation of cyclic AMP and activation of adenylate cyclase. This leads to an increase in intracellular cAMP levels that is mediated by Gs protein coupled receptors. N9-Benzyladenine has been shown to have anti-inflammatory properties, which may be due to its ability to inhibit the release of tumor necrosis factor-α (TNF-α).

8-Aza-2,6-diaminopurine sulfate (1:x) is a sulfate salt that is soluble in water. The molecular mass of the compound is 581.10 g/mol and it has a molecular formula of C5H7N3O4S. The crystal structure of the compound consists of an asymmetric unit containing one molecule. The 8-aza-2,6-diaminopurine monohydrate salt has a solubility of 1 g/100 mL in water at 25°C. It also has a melting point of 190°C and a boiling point of 340°C.

5-Ethyluracil is a nucleobase that is structurally similar to thymine. It inhibits the replication of human mitochondrial DNA and herpes simplex virus type-1 (HSV-1) by binding with the viral nucleic acid. 5-Ethyluracil has been shown to be an effective antiviral agent in clinical trials, where it was found to inhibit the replication of HSV-1 in both HIV-positive and HIV-negative patients. 5-Ethyluracil has also been shown to have an inhibitory effect on mammalian cells and has been used for treatment of certain types of cancer. This drug's low energy makes it useful as a topical analgesic. The glycosidic bond makes this drug water soluble, which allows for its use as an antiseptic or disinfectant. 5-Ethyluracil is metabolized by hydrochloric acid, which produces urate, ammonia, and carbon dioxide. This drug can be

Applications Uracil Lyxonucleoside 5'-Phosphate is an intermediate in the synthesis of Trilithium UDP-glucuronic Acid-13C1, 15N2 (T886287), which is an isotope labelled analog of Trisodium UDP-glucuronic Acid (T886285). Trisodium UDP-glucuronic Acid is a reactant used in the enzymatic preparation of β-glucuronides.
References Stevenson, D.E., et. al.: Collect Czech. Chem. C., 65, 117 (2000); Robotham, S.A., Brodbelt, J.S.: Biochem. Pharmacol., 82, 1764 (2011); Kren, V., et. al.: Drug Metab. Dispos., 28, 1513 (2000)

Applications Protected Guanine.
References Hakimelahi, G., et al.: J. Med. Chem., 44, 3710 (2001),

Impurity Acicclovir EP Impurity L
Applications N2,9-Diacetylguanine (Acicclovir EP Impurity L) is used to synthesize acyclic analogues of deoxyguanosine.
References Martin, J. C., et al.: J Med Chem. 26, 759 (1983)

Applications Used in the preparation of pyrrolotriazines.

Applications 3-BENZYLADENINE (cas# 7280-81-1) is a useful research chemical.

8-Hydroxyguanine hydrochloride is a fine chemical that is used as a building block in the synthesis of pharmaceuticals, agrochemicals and other organic compounds. It is also used as a reagent for research into the mechanisms of DNA damage. CAS No. 1246818-54-1 8-Hydroxyguanine hydrochloride is a complex compound that can be used as a versatile building block for the synthesis of many different types of molecules, including valuable intermediates and scaffolds for drug discovery.

5-Iodocytosine (5-IC) is an analog of cytosine that can be used as a precursor for the synthesis of thymine. 5-IC has been shown to cross-couple with DNA, which may contribute to its antiviral potency. 5-IC is also a potent inhibitor of dna replication and herpes simplex virus. The biochemical properties of 5-IC have been extensively studied, including its ability to react with hydrochloric acid to form the corresponding tautomers. The hydrolysis rate increases at higher pH values and decreases at lower pH values. Bioconjugate chemistry has been applied to synthesize a bioconjugated prodrug of 5-IC for cancer treatment.

2-Thiothymine is a nucleotide that can be synthesized by the polymerase chain reaction. It is used as a probe for determining the sequence of DNA duplexes. 2-Thiothymine binds to dna and forms hydrogen bonds with the nitrogen atoms in dna bases, which prevents them from being able to bind with other dna bases, thereby disrupting the binding of dna strands. This leads to chain reactions that result in high temperatures and could cause damage to the cells. 2-Thiothymine has been shown to be toxic to both bacteria and human cells. It was found to inhibit HIV infection by binding to viral RNA and preventing it from being translated into protein, leading to cell death.

6-Chloro-1,3-dimethyluracil is a nucleoside analog that has been shown to be cytotoxic in vitro. This compound can be synthesized by reacting naphthalene with a nucleophilic nitrogen source, such as sodium carbonate and chlorinating the resulting product with trifluoroacetic acid. 6-Chloro-1,3-dimethyluracil can also be synthesized by reacting malonic acid with cyclen and uridine in the presence of copper metal. The reaction mechanism is believed to involve photoelectron transfer from the copper metal to the uridine ring.