Month: November 2022

Sugar-modified derivatives of cytostatic 7-(het)aryl-7-deazaadenosines: 2′-C-methylribonucleosides, 2′-deoxy-2′-fluoroarabinonucleosides, arabinonucleosides and 2′-deoxyribonucleosides was written by Naus, Petr;Perlikova, Pavla;Bourderioux, Aurelie;Pohl, Radek;Slavetinska, Lenka;Votruba, Ivan;Bahador, Gina;Birkus, Gabriel;Cihlar, Tomas;Hocek, Michal. And the article was included in Bioorganic & Medicinal Chemistry in 2012.Related Products of 24386-93-4 The following contents are mentioned in the article:

A series of novel sugar-modified derivatives of cytostatic 7-hetaryl-7-deazaadenosines (2′-C-methylribonucleosides, 2′-deoxy-2′-fluoroarabinonucleosides, arabinonucleosides and 2′-deoxyribonucleosides), e.g. I, was prepared and screened for biol. activity. The synthesis consisted of preparation of the corresponding sugar-modified 7-iodo-7-deazaadenine nucleosides and their aqueous-phase Suzuki-Miyaura cross-coupling reactions with (het)arylboronic acids or Stille couplings with hetarylstannanes in DMF. The synthesis of 7-iodo-7-deazaadenine nucleosides was based on a glycosylation of 6-chloro-7-iodo-7-deazapurine with a suitable sugar synthon or on an interconversion of 2′-OH stereo-center (for arabinonucleosides). Several examples of 2′-C-Me-ribonucleosides showed moderate anti-HCV activities in a replicon assay accompanied by cytotoxicity. Several 7-hetaryl-7-deazaadenine fluoroarabino- and arabinonucleosides exerted moderate micromolar cytostatic effects. The most active was 7-ethynyl-7-deazaadenine fluoroarabinonucleoside which showed sub-micromolar antiproliferative activity. However, all the sugar-modified derivatives were less active than the parent ribonucleosides. This study involved multiple reactions and reactants, such as (2R,3R,4S,5R)-2-(4-Amino-5-iodo-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol (cas: 24386-93-4Related Products of 24386-93-4).

(2R,3R,4S,5R)-2-(4-Amino-5-iodo-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol (cas: 24386-93-4) belongs to tetrahydrofuran derivatives. Tetrahydrofuran (THF) is a Lewis base that bonds to a variety of Lewis acids such as I2, phenols, triethylaluminum and bis(hexafluoroacetylacetonato)copper(II). It is more basic than diethyl ether and forms stronger complexes with Li+, Mg2+, and boranes. It is a popular solvent for hydroboration reactions and for organometallic compounds such as organolithium and Grignard reagents.Related Products of 24386-93-4

Referemce:
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem

A nonradioactive fluorimetric SPE-based ceramide kinase assay using NBD-C₆-ceramide was written by Van Overloop, Helena;Van der Hoeven, Gerd;Van Veldhoven, Paul P.. And the article was included in Journal of Lipids in 2012.Application of 24386-93-4 The following contents are mentioned in the article:

Ceramide kinase (CERK) has been implicated in important cellular processes such as inflammation and apoptosis. Its activity is usually measured using radiolabeled ceramide or [γ-³²P]-ATP, followed by extraction, thin-layer chromatog., and detection of the formed labeled ceramide-1-phosphate. To eliminate the use of radioactivity, we developed similarly but independently from the approach by Don and Rosen (2008), a fluorescence-based ceramide kinase assay, using N-[7-(4-nitrobenz-2-oxa-1,3-diazole)]-6-aminohexanoyl-sphingenine (NBD-C₆-ceramide) as substrate. Its K_m value (4 μM) was comparable to that of N-hexanoyl-sphingenine (C₆-ceramide). The produced fluorescent NBD-C₆-ceramide-1-phosphate was captured by means of solid-phase extraction on an aminopropyl phase, resulting in a fast and sensitive CERK measurement. By performing this assay in a 96-well format, it is also suitable for high-throughput screening (HTS) to search for CERK modulators. A limited screen revealed that some protein kinase inhibitors (e.g., U-0126; IC₅₀ 4 μM) and ceramide analogs (e.g., fenretinide, AMG-9810; IC₅₀ 1.1 μM) affect CERK in vitro. This study involved multiple reactions and reactants, such as (2R,3R,4S,5R)-2-(4-Amino-5-iodo-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol (cas: 24386-93-4Application of 24386-93-4).

(2R,3R,4S,5R)-2-(4-Amino-5-iodo-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol (cas: 24386-93-4) belongs to tetrahydrofuran derivatives. Tetrahydrofuran (THF), or oxolane, is mainly used as a precursor to polymers. Being polar and having a wide liquid range, THF is a versatile solvent. Tetrahydrofuran reaction with hydrogen sulfide: In the presence of a solid acid catalyst, tetrahydrofuran reacts with hydrogen sulfide to give tetrahydrothiophene.Application of 24386-93-4

Referemce:
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem

Drug Repurposing for COVID-19: A Review and a Novel Strategy to Identify New Targets and Potential Drug Candidates was written by Rodrigues, Liliana;Bento Cunha, Renata;Vassilevskaia, Tatiana;Viveiros, Miguel;Cunha, Celso. And the article was included in Molecules in 2022.COA of Formula: C13H19N3O7 The following contents are mentioned in the article:

A review. In Dec. 2019, the novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the causative agent of coronavirus disease 2019 (COVID-19) was first identified in the province of Wuhan, China. Since then, there have been over 400 million confirmed cases and 5.8 million deaths by COVID-19 reported worldwide. The urgent need for therapies against SARS-CoV-2 led researchers to use drug repurposing approaches. This strategy allows the reduction in risks, time, and costs associated with drug development. In many cases, a repurposed drug can enter directly to preclin. testing and clin. trials, thus accelerating the whole drug discovery process. In this work, we will give a general overview of the main developments in COVID-19 treatment, focusing on the contribution of the drug repurposing paradigm to find effective drugs against this disease. Finally, we will present our findings using a new drug repurposing strategy that identified 11 compounds that may be potentially effective against COVID-19. To our knowledge, seven of these drugs have never been tested against SARS-CoV-2 and are potential candidates for in vitro and in vivo studies to evaluate their effectiveness in COVID-19 treatment. This study involved multiple reactions and reactants, such as ((2R,3S,4R,5R)-3,4-Dihydroxy-5-((Z)-4-(hydroxyimino)-2-oxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)methyl isobutyrate (cas: 2492423-29-5COA of Formula: C13H19N3O7).

((2R,3S,4R,5R)-3,4-Dihydroxy-5-((Z)-4-(hydroxyimino)-2-oxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)methyl isobutyrate (cas: 2492423-29-5) belongs to tetrahydrofuran derivatives.Tetrahydrofuran has many industry uses as a solvent including in natural and synthetic resins, high polymers, fat oils, rubber, polymer. Tetrahydrofuran (THF) is primarily used as a precursor to polymers including for surface coating, adhesives, and printing inks.COA of Formula: C13H19N3O7

Referemce:
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem

A mini-review on clinical studies of Molnupiravir for COVID-19 conducted in selected Asian countries was written by Querequincia, Joseph Mari B.;Faller, Erwin M.. And the article was included in GSC Biological and Pharmaceutical Sciences in 2022.Synthetic Route of C13H19N3O7 The following contents are mentioned in the article:

A review. The key goal of this mini review article is to provide enough data and info on the several clin. trials conducted in some number of countries in the Asia on the use of the drug Molnupiravir for Coronavirus disease 2019 (COVID-19). It is caused by severe acute respiratory syndrome coronavirus 2 has extended across the globe in the previous years. Vaccines and antiviral agents were being tested for their efficacies in order to prevent the occurrence of the disease. An antiviral agent, Molnupiravir which is ribonucleoside analog which is a prodrug that can be converted to its active form intracellularly. There were countries like USA and United Kingdom conducted the preliminary clin. trials for the efficacy of this drug. In the Asian region, countries like Japan, Israel, Philippines, Russia, South Korea and Taiwan participated in the clin. studies for Molnupiravir which is under Phase 3 clin. trial. Doses from 200 – 800 mg/kg were utilized in the studies. These certain doses are well tolerated and there were no severe adverse effects that were noted. Thus, Molnupiravir is a potential antiviral agent that can be utilized to treat and prevent COVID-19 infections and endeavored to be fully established. This study involved multiple reactions and reactants, such as ((2R,3S,4R,5R)-3,4-Dihydroxy-5-((Z)-4-(hydroxyimino)-2-oxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)methyl isobutyrate (cas: 2492423-29-5Synthetic Route of C13H19N3O7).

((2R,3S,4R,5R)-3,4-Dihydroxy-5-((Z)-4-(hydroxyimino)-2-oxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)methyl isobutyrate (cas: 2492423-29-5) belongs to tetrahydrofuran derivatives. Tetrahydrofuran and dihydrofuran form the basic structural unit of many naturally occurring scaffolds like gambieric acid A and ciguatoxin, goniocin, and some biologically active molecules. Oxidations have also proved to be valuable and efficient approaches to chiral tetrahydrofuran derivatives.Synthetic Route of C13H19N3O7

Referemce:
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem

Pharmacologic correction of dominant-negative GH1 deficiency causing mutations was written by Poling, Justin S.;Phillips, John A.;Cogan, Joy D.;Hamid, Rizwan. And the article was included in Clinical and Translational Science in 2011.Electric Literature of C11H13IN4O4 The following contents are mentioned in the article:

Purpose: Dominant-neg. growth hormone gene (GH1) mutations cause familial isolated growth hormone deficiency type II (IGHD II), which is characterized by GH deficiency, occasional multiple anterior pituitary hormone deficiencies, and anterior pituitary hypoplasia. We have previously shown that 17.5-/22-kDa GH 1 transcript ratios correlate with the severity of the IGHD II phenotype. We hypothesized that different pharmaceutical agents could affect the GH1 transcript ratio by modulating alternative splicing. Methods: We exposed peripheral blood mononuclear cells from IGHD II patients and unaffected family members to different pharmacol. agents and then determined the 17.5-/22-kDa transcript ratios by real-time PCR. Results: Dexamethasone and digoxin significantly increased the 17.5-/22-kDa transcript ratio, while sodium butyrate and 5-iodotubericidin significantly decreased the ratio. Conclusion: Since we have previously shown that the ratio of the 17.5-/22-kDa GH1 transcripts correlates with severity of the IGHD II phenotype, our findings here suggest that selected previously unconsidered agents could possibly reduce the severity of IGHD II, while other agents could possibly exacerbate the disease phenotype. This study involved multiple reactions and reactants, such as (2R,3R,4S,5R)-2-(4-Amino-5-iodo-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol (cas: 24386-93-4Electric Literature of C11H13IN4O4).

(2R,3R,4S,5R)-2-(4-Amino-5-iodo-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol (cas: 24386-93-4) belongs to tetrahydrofuran derivatives. THF (Tetrahydrofuran) is water-miscible and has a low viscosity making it a highly versatile solvent used in a variety of industries. THF (Tetrahydrofuran) is also used as a starting material for the synthesis of poly(tetramethylene ether) glycol (PTMG), etc.Electric Literature of C11H13IN4O4

Referemce:
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem

A Systematic Review of the Global Intervention for SARS-CoV-2 Combating: From Drugs Repurposing to Molnupiravir Approval was written by Ashour, Nada A.;Abo Elmaaty, Ayman;Sarhan, Amany A.;Elkaeed, Eslam B.;Moussa, Ahmed M.;Erfan, Ibrahim Ali;Al-Karmalawy, Ahmed A.. And the article was included in Drug Design, Development and Therapy in 2022.Quality Control of ((2R,3S,4R,5R)-3,4-Dihydroxy-5-((Z)-4-(hydroxyimino)-2-oxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)methyl isobutyrate The following contents are mentioned in the article:

A review. The rising outbreak of SARS-CoV-2 continues to unfold all over the world. The development of novel effective antiviral drugs to fight against SARS-CoV-2 is a time cost. As a result, some specific FDA-approved drugs have already been repurposed and authorized for COVID-19 treatment. The repurposed drugs used were either antiviral or non-antiviral drugs. Accordingly, the present review thoroughly focuses on the repurposing efficacy of these drugs including clin. trials experienced, the combination therapies used, the novel methods followed for treatment, and their future perspective. Therefore, drug repurposing was regarded as an effective avenue for COVID-19 treatment. Recently, molnupiravir is a prodrug antiviral medication that was approved in the United Kingdom in Nov. 2021 for the treatment of COVID-19. On the other hand, PF-07321332 is an oral antiviral drug developed by Pfizer. For the treatment of COVID-19, the PF-07321332/ritonavir combination medication is used in Phase III studies and was marketed as Paxlovid. Herein, we represented the almost history of combating COVID-19 from repurposing to the recently available oral anti-SARS-CoV-2 candidates, as a new hope to end the current pandemic. This study involved multiple reactions and reactants, such as ((2R,3S,4R,5R)-3,4-Dihydroxy-5-((Z)-4-(hydroxyimino)-2-oxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)methyl isobutyrate (cas: 2492423-29-5Quality Control of ((2R,3S,4R,5R)-3,4-Dihydroxy-5-((Z)-4-(hydroxyimino)-2-oxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)methyl isobutyrate).

((2R,3S,4R,5R)-3,4-Dihydroxy-5-((Z)-4-(hydroxyimino)-2-oxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)methyl isobutyrate (cas: 2492423-29-5) belongs to tetrahydrofuran derivatives. THF (Tetrahydrofuran) is water-miscible and has a low viscosity making it a highly versatile solvent used in a variety of industries. It is more basic than diethyl ether and forms stronger complexes with Li+, Mg2+, and boranes. It is a popular solvent for hydroboration reactions and for organometallic compounds such as organolithium and Grignard reagents.Quality Control of ((2R,3S,4R,5R)-3,4-Dihydroxy-5-((Z)-4-(hydroxyimino)-2-oxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)methyl isobutyrate

Referemce:
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem

Prediction of the likelihood of drug interactions with kinase inhibitors based on in vitro and computational studies was written by Wang, Zhi-Xin;Sun, Jiazhi;Howell, Caitlin E.;Zhou, Qing-Yu;He, Zhi-Xu;Yang, Tianxin;Chew, Helen;Duan, Wei;Zhou, Zhi-Wei;Kanwar, Jagat R.;Zhou, Shu-Feng. And the article was included in Fundamental & Clinical Pharmacology in 2014.Formula: C11H13IN4O4 The following contents are mentioned in the article:

Kinase inhibitors (KIs) represent an important group of anticancer drugs, and many of them are substrates and inhibitors of human cytochrome P450s (CYPs), raising the potential of harmful drug interactions. This study investigated the effect of a library of KIs (n = 91) including 11 FDA-approved KIs on human CYP1A2, 2D6, 2C9, and 3A4 using high-throughput screening kits and the binding modes with CYPs using the Discovery Studio program 3.1. The KIs exhibited differential inhibitory effect on CYP1A2, 2D6, 2C9, and 3A4, while some of them showed activating effect on CYP2C9 and 3A4. For example, SP 600125 was a potent inhibitor for CYP1A2, but enhanced the activity of CYP2C9 fourfolds. Among the 80 KIs that are not used clin., about 13% showed significant inhibition to CYPs. Nilotinib, sunitinib, and imatinib were found to be potent CYP1A2 inhibitor. Our docking studies have demonstrated the importance of multiple amino acid residues in the active sites of CYP1A2, 2C9, 2D6, and 3A4 in binding with various KIs. Finally, the in vitro data were used to predict potential KI-drug interactions. These findings indicate that many KIs can serve as CYP inhibitors, and further studies are needed to examine the clin. impact. This study involved multiple reactions and reactants, such as (2R,3R,4S,5R)-2-(4-Amino-5-iodo-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol (cas: 24386-93-4Formula: C11H13IN4O4).

(2R,3R,4S,5R)-2-(4-Amino-5-iodo-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol (cas: 24386-93-4) belongs to tetrahydrofuran derivatives. Tetrahydrofurans and furans are important oxygen-containing heterocycles that often exhibit interesting properties for biological applications or applications in the cosmetic industry. Commercial tetrahydrofuran contains substantial water that must be removed for sensitive operations, e.g. those involving organometallic compounds. Although tetrahydrofuran is traditionally dried by distillation from an aggressive desiccant, molecular sieves are superior.Formula: C11H13IN4O4

Referemce:
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem

Lethal mutagenesis as an antiviral strategy: lethal mutagenesis of RNA viruses is a viable antiviral strategy but has unknown risks was written by Swanstrom, Ronald;Schinazi, Raymond F.. And the article was included in Science (Washington, DC, United States) in 2022.Quality Control of ((2R,3S,4R,5R)-3,4-Dihydroxy-5-((Z)-4-(hydroxyimino)-2-oxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)methyl isobutyrate The following contents are mentioned in the article:

A review. Lethal mutagenesis of RNA viruses is a viable antiviral strategy but has unknown risks. This study involved multiple reactions and reactants, such as ((2R,3S,4R,5R)-3,4-Dihydroxy-5-((Z)-4-(hydroxyimino)-2-oxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)methyl isobutyrate (cas: 2492423-29-5Quality Control of ((2R,3S,4R,5R)-3,4-Dihydroxy-5-((Z)-4-(hydroxyimino)-2-oxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)methyl isobutyrate).

((2R,3S,4R,5R)-3,4-Dihydroxy-5-((Z)-4-(hydroxyimino)-2-oxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)methyl isobutyrate (cas: 2492423-29-5) belongs to tetrahydrofuran derivatives. Solid acid catalysis, and the advantages often associated with their use, have been proved equally efficient for the synthesis of tetrahydrofurans or furans. Tetrahydrofuran reaction with hydrogen sulfide: In the presence of a solid acid catalyst, tetrahydrofuran reacts with hydrogen sulfide to give tetrahydrothiophene.Quality Control of ((2R,3S,4R,5R)-3,4-Dihydroxy-5-((Z)-4-(hydroxyimino)-2-oxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)methyl isobutyrate

Referemce:
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem

A General Framework for Inhibitor Resistance in Protein Kinases [Erratum to document cited in CA156:193954] was written by Balzano, Deborah;Santaguida, Stefano;Musacchio, Andrea;Villa, Fabrizio. And the article was included in Chemistry & Biology (Cambridge, MA, United States) in 2011.Recommanded Product: 24386-93-4 The following contents are mentioned in the article:

On page 967, Figure 1B contained an incomplete Haspin kinase sequence; the corrected figure is given. This study involved multiple reactions and reactants, such as (2R,3R,4S,5R)-2-(4-Amino-5-iodo-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol (cas: 24386-93-4Recommanded Product: 24386-93-4).

(2R,3R,4S,5R)-2-(4-Amino-5-iodo-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol (cas: 24386-93-4) belongs to tetrahydrofuran derivatives. THF (Tetrahydrofuran) is a stable compound with relatively low boiling point and excellent solvency. It is more basic than diethyl ether and forms stronger complexes with Li+, Mg2+, and boranes. It is a popular solvent for hydroboration reactions and for organometallic compounds such as organolithium and Grignard reagents.Recommanded Product: 24386-93-4

Referemce:
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem

Enzymatic Catalysts to Combat COVID-19 was written by Jhulki, Isita;Meier, Jordan L.. And the article was included in ACS Central Science in 2021.Synthetic Route of C13H19N3O7 The following contents are mentioned in the article:

A review. Enzyme engineering provides a scalable route to molnupiravir, an orally bioavailable small mol. with therapeutic efficacy against COVID-19. This study involved multiple reactions and reactants, such as ((2R,3S,4R,5R)-3,4-Dihydroxy-5-((Z)-4-(hydroxyimino)-2-oxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)methyl isobutyrate (cas: 2492423-29-5Synthetic Route of C13H19N3O7).

((2R,3S,4R,5R)-3,4-Dihydroxy-5-((Z)-4-(hydroxyimino)-2-oxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)methyl isobutyrate (cas: 2492423-29-5) belongs to tetrahydrofuran derivatives. THF (Tetrahydrofuran) is water-miscible and has a low viscosity making it a highly versatile solvent used in a variety of industries. It is more basic than diethyl ether and forms stronger complexes with Li+, Mg2+, and boranes. It is a popular solvent for hydroboration reactions and for organometallic compounds such as organolithium and Grignard reagents.Synthetic Route of C13H19N3O7

Referemce:
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem