Category: 7226-23-5

Related Products of 7226-23-5, Children learn through play, and they learn more than adults might expect. Science experiments are a great way to spark their curiosity, 7226-23-5, Name is 1,3-Dimethyltetrahydropyrimidin-2(1H)-one, SMILES is O=C1N(C)CCCN1C, belongs to pyrimidines compound. In a article, author is Bhuyan, Amar Jyoti, introduce new discover of the category.

Magnetically recoverable copper ferrite catalyzed cascade synthesis of 1,3-dimethyl-6-nitro-5-arylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-diones under microwave irradiation and solvent-less condition

In recent years, magnetically active CuFe2O4 nanoparticles have been gaining significant interest in the field of heterogeneous catalysis as those can be easily prepared and effortlessly recovered from a reaction system. Here, we are reporting our work on cascade syntheses of 1,3-dimethyl-6-nitro-5-arylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-diones starting from 6-[(dimethylamino)methylene-amino]-1,3-dimethyluracil, aromatic aldehydes and nitromethane using magnetically active CuFe2O4 catalyst system under microwave irradiation and solvent-less condition. The current methodology is a valued addition to the existing procedures of 5-arylpyrido[2,3-d]pyrimidines syntheses making best use of the diene behavior of 6-[(dimethylamino)methylene-amino]-1,3-dimethyluracil. However, heterogeneous catalysis has been employed for the first time to do the syntheses by carrying out [4 + 2]cycloaddition reaction between 6-[(dimethylamino)methylene-amino]-1,3-dimethyluracil and in situ generated 2-(2-nitrovinyl)arenes/heteroarenes. The methodology is highly time-economic, and along with other features like easy recovery and good reusability of the catalyst, simple operating procedure, wide substrate scope, and good to excellent product yield, it offers the chemists a reaction protocol worth trying for the syntheses of 1,3-dimethyl-6-nitro-5-arylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-diones. While laboratory prepared catalyst system was characterized using FT-IR, XRD, SEM-EDX, VSM, XPS and TEM analysis, all the synthesized compounds have been characterized using H-1 and C-13 NMR spectroscopy and HRMS.

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Reference:
Pyrimidine | C4H4N2 – PubChem,
,Pyrimidine – Wikipedia

Synthetic Route of 7226-23-5, The transformation of simple hydrocarbons into more complex and valuable products via catalytic C¨CH bond functionalisation has revolutionised modern synthetic chemistry. 7226-23-5, Name is 1,3-Dimethyltetrahydropyrimidin-2(1H)-one, SMILES is O=C1N(C)CCCN1C, belongs to pyrimidines compound. In a article, author is Mityuk, Andrey P., introduce new discover of the category.

Efficient Route for the Synthesis of Diverse Heteroannelated 5-Cyanopyridines

The new efficient, convenient protocol for the synthesis of heteroannelated 3-cyanopyridines and pyrimidines starting from diverse aminoheterocycles and 3,3-dimethoxy-2-formylpropionitrile sodium salt was elaborated. The advantages and improvements of the procedure compared to previously known methods are shown. The scope and limitations of the method are determined. The impact of the structural features on regioselectivity are discussed. The preparativeness, scalability, and application scope of the elaborated protocol are demonstrated by the synthesis of five heteroannelated 3-cyanopyridines in quantities up to 100 grams.

Synthetic Route of 7226-23-5, Enzymes are biological catalysts that produce large increases in reaction rates and tend to be specific for certain reactants and products. I hope my blog about 7226-23-5 is helpful to your research.

Reference:
Pyrimidine | C4H4N2 – PubChem,
,Pyrimidine – Wikipedia

Chemistry is the experimental and theoretical study of materials on their properties at both the macroscopic and microscopic levels. 7226-23-5, Name is 1,3-Dimethyltetrahydropyrimidin-2(1H)-one, molecular formula is C6H12N2O. In an article, author is McDonald, Gabrielle,once mentioned of 7226-23-5, HPLC of Formula: C6H12N2O.

Selective Vulnerability to Pyrimidine Starvation in Hematologic Malignancies Revealed by AG-636, a Novel Clinical-Stage Inhibitor of Dihydroorotate Dehydrogenase

Agents targeting metabolic pathways form the backbone of standard oncology treatments, though a better understanding of differential metabolic dependencies could instruct more rationale-based therapeutic approaches. We performed a chemical biology screen that revealed a strong enrichment in sensitivity to a novel dihydroorotate dehydrogenase (DHODH) inhibitor, AG-636, in cancer cell lines of hematologic versus solid tumor origin. Differential AG-636 activity translated to the in vivo setting, with complete tumor regression observed in a lymphoma model. Dissection of the relationship between uridine availability and response to AG-636 revealed a divergent ability of lymphoma and solid tumor cell lines to survive and grow in the setting of depleted extracellular uridine and DHODH inhibition. Metabolic characterization paired with unbiased functional genomic and proteomic screens pointed to adaptive mechanisms to cope with nucleotide stress as contributing to response to AG-636. These findings support targeting of DHODH in lymphoma and other hematologic malignancies and suggest combination strategies aimed at interfering with DNA-damage response pathways.

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Reference:
Pyrimidine | C4H4N2 – PubChem,
,Pyrimidine – Wikipedia

In an article, author is Yamaguchi-Sasaki, Toru, once mentioned the application of 7226-23-5, Recommanded Product: 1,3-Dimethyltetrahydropyrimidin-2(1H)-one, Name is 1,3-Dimethyltetrahydropyrimidin-2(1H)-one, molecular formula is C6H12N2O, molecular weight is 128.1723, MDL number is MFCD00006550, category is pyrimidines. Now introduce a scientific discovery about this category.

Discovery of a potent dual inhibitor of wild-type and mutant respiratory syncytial virus fusion proteins through the modulation of atropisomer interconversion properties

The development of effective respiratory syncytial virus (RSV) fusion glycoprotein (F protein) inhibitors against both wild-type and the D486N-mutant F protein is urgently required. We recently reported a 15-membered macrocyclic pyrazolo[1,5-a]pyrimidine derivative 4 that exhibited potent anti-RSV activities against not only wild-type, but also D486N-mutant F protein. However, NMR studies revealed that the 15-membered derivative 4 existed as a mixture of atropisomers. An optimization study of the linker moiety between the 2-position of the benzoyl moiety and the 7-position of the pyrazolo[1,5-a]pyrimidine scaffold identified a 16-membered derivative 42c with an amide linker that showed a rapid interconversion of atropisomers. Subsequent optimization of the 5-position of the pyrazolo[1,5-a]pyrimidine scaffold and the 5-position of the benzoyl moiety resulted in the discovery of a potent clinical candidate 60b for the treatment of RSV infections.

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Reference:
Pyrimidine | C4H4N2 – PubChem,
,Pyrimidine – Wikipedia

Reference of 7226-23-5, Enzymes are biological catalysts that produce large increases in reaction rates and tend to be specific for certain reactants and products. 7226-23-5, Name is 1,3-Dimethyltetrahydropyrimidin-2(1H)-one, SMILES is O=C1N(C)CCCN1C, belongs to pyrimidines compound. In a article, author is Nazarova, Anna A., introduce new discover of the category.

4-Azidotetrahydroquinazoline derivatives in CuAAC reaction

4-Azido-2-methyltetrahydroquinazoline N-oxide cleanly undergoes the copper(i)-catalyzed azide-alkyne cycloaddition (CuAAC) reaction with alkynes to give new conjugates with pyrimidine N-oxide and triazole moieties. Its deoxygenated analogue, 4-azido-2-methyltetrahydroquinazoline, is inert in CuACC process due to the shift of imidoyl azide-tetrazole equilibrium towards the tetrazole tautomer.

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Reference:
Pyrimidine | C4H4N2 – PubChem,
,Pyrimidine – Wikipedia

Reactions catalyzed within inorganic and organic materials and at electrochemical interfaces commonly occur at high coverage and in condensed media, causing turnover rates to depend strongly on interfacial structure and composition, 7226-23-5, Name is 1,3-Dimethyltetrahydropyrimidin-2(1H)-one, SMILES is O=C1N(C)CCCN1C, in an article , author is Hegedus, Csaba, once mentioned of 7226-23-5, SDS of cas: 7226-23-5.

Cyclobutane pyrimidine dimers from UVB exposure induce a hypermetabolic state in keratinocytes via mitochondrial oxidative stress

Ultraviolet B radiation (UVB) is an environmental complete carcinogen, which induces and promotes keratinocyte carcinomas, the most common human malignancies. UVB induces the formation of cyclobutane pyrimidine dimers (CPDs). Repairing CPDs through nucleotide excision repair is slow and error-prone in placental mammals. In addition to the mutagenic and malignancy-inducing effects, UVB also elicits poorly understood complex metabolic changes in keratinocytes, possibly through CPDs. To determine the effects of CPDs, CPD-photolyase was overexpressed in keratinocytes using an N1-methyl pseudouridine-containing in vitro-transcribed mRNA. CPD-photolyase, which is normally not present in placental mammals, can efficiently and rapidly repair CPDs to block signaling pathways elicited by CPDs. Keratinocytes surviving UVB irradiation turn hypermetabolic. We show that CPD-evoked mitochondrial reactive oxygen species production, followed by the activation of several energy sensor enzymes, including sirtuins, AMPK, mTORC1, mTORC2, p53, and ATM, is responsible for the compensatory metabolic adaptations in keratinocytes surviving UVB irradiation. Compensatory metabolic changes consist of enhanced glycolytic flux, Szent-GyOrgyi-Krebs cycle, and terminal oxidation. Furthermore, mitochondrial fusion, mitochondrial biogenesis, and lipophagy characterize compensatory hypermetabolism in UVB-exposed keratinocytes. These properties not only support the survival of keratinocytes, but also contribute to UVB-induced differentiation of keratinocytes. Our results indicate that CPD-dependent signaling acutely maintains skin integrity by supporting cellular energy metabolism.

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Reference:
Pyrimidine | C4H4N2 – PubChem,
,Pyrimidine – Wikipedia

Chemo-enzymatic cascade processes are invaluable due to their ability to rapidly construct high-value products from available feedstock chemicals in a one-pot relay manner. In an article, author is Goonawardane, Niluka, once mentioned the application of 7226-23-5, Name is 1,3-Dimethyltetrahydropyrimidin-2(1H)-one, molecular formula is C6H12N2O, molecular weight is 128.1723, MDL number is MFCD00006550, category is pyrimidines. Now introduce a scientific discovery about this category, Formula: C6H12N2O.

Association of Zinc Finger Antiviral Protein Binding to Viral Genomic RNA with Attenuation of Replication of Echovirus 7

Previous studies have implicated both zinc finger antiviral protein (ZAP) and oligoadenylate synthetase 3 (OAS3)/RNase L in the attenuation of RNA viruses with elevated CpG and UpA dinucleotides. Mechanisms and interrelationships between these two pathways were investigated using an echovirus 7 (E7) replicon with compositionally modified sequences inserted into the 3′ untranslated region. ZAP and OAS3 immunoprecipitation (IP) assays provided complementary data on dinucleotide composition effects on binding. Elevated frequencies of alternative pyrimidine/purine (CpA and UpG) and reversed (GpC and ApU) dinucleotides showed no attenuating effect on replication or specific binding to ZAP by IP. However, the bases 3′ and 5′ of CpG motifs influenced replication and ZAP binding; UCGU enhanced CpG-mediated attenuation and ZAP binding, while A residues shielded CpGs from ZAP recognition. Attenuating effects of elevated frequencies of UpA on replication occurred independently of CpG dinucleotides and bound noncompetitively with CpG-enriched RNA, consistent with a separate recognition site from CpG. Remarkably, immunoprecipitation with OAS3 antibody reproduced the specific binding to CpGand UpA-enriched RNA sequences. However, OAS3 and ZAP were coimmunoprecipitated in both ZAP and OAS3 IP and colocalized with E7 and stress granules (SGs) by confocal microscopy analysis of infected cells. ZAP’s association with larger cellular complexes may mediate the recruitment of OAS3/RNase L, KHNYN, and other RNA degradation pathways. IMPORTANCE We recently discovered that the OAS3/RNase L antiviral pathway is essential for restriction of CpGand UpA-enriched viruses, in addition to the requirement for zinc finger antiviral protein (ZAP). The current study provides evidence for the specific dinucleotide and wider recognition contexts associated with virus recognition and attenuation. It further documents the association of ZAP and OAS3 and association with stress granules and a wider protein interactome that may mediate antiviral effects in different cellular compartments. The study provides a striking reconceptualization of the pathways associated with this aspect of antiviral defense.

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Reference:
Pyrimidine | C4H4N2 – PubChem,
,Pyrimidine – Wikipedia

Related Products of 7226-23-5, As an important bridge between the micro and macro material world, chemistry is one of the main methods and means for humans to understand and transform the material world. 7226-23-5, Name is 1,3-Dimethyltetrahydropyrimidin-2(1H)-one, SMILES is O=C1N(C)CCCN1C, belongs to pyrimidines compound. In a article, author is Han, Yufei, introduce new discover of the category.

Design, synthesis and biological evaluation of thieno[3,2-d]pyrimidine derivatives containing aroyl hydrazone or aryl hydrazide moieties for PI3K and mTOR dual inhibition

Recently, PI3K and mTOR have been regarded as promising targets for cancer treatment. Herein, we designed and synthesized four series of novel thieno[3,2-d]pyrimidine derivatives that containing aroyl hydrazone or aryl hydrazide moieties. These derivatives act as PI3K/mTOR dual inhibitors, suggesting that they can be used as cancer therapeutic agents. All compounds were tested for anti-proliferative activity against four cancer cell lines. The structure-activity relationship (SAR) studies were conducted by varying the moieties at the C-6 and C-2 positions of the thieno[3,2-d]pyrimidine core. It indicated that aryl hydrazide at C-6 position and 2-aminopyrimidine at C-2 position are optimal fragments. Compound 18b showed the most potent in vitro activity (PI3K alpha IC50 = 0.46 nM, mTOR IC50 = 12 nM), as well as good inhibition against PC-3 (human prostate cancer), HCT-116 (human colorectal cancer), A549 (human lung adenocarcinoma) and MDA-MB-231 (human breast cancer) cell lines. Furthermore, Annexin-V and propidium iodide (PI) double staining confirmed that 18b induces apoptosis in cytotoxic HCT-116 cells. Moreover, the influence of 18b on cell cycle distribution was assessed on the HCT-116 cell line, and a cell cycle arrest was observed at the G1/S phases.

Related Products of 7226-23-5, The reactant in an enzyme-catalyzed reaction is called a substrate. Enzyme inhibitors cause a decrease in the reaction rate of an enzyme-catalyzed reaction.I hope my blog about 7226-23-5 is helpful to your research.

Reference:
Pyrimidine | C4H4N2 – PubChem,
,Pyrimidine – Wikipedia

Chemistry is the experimental and theoretical study of materials on their properties at both the macroscopic and microscopic levels. 7226-23-5, Name is 1,3-Dimethyltetrahydropyrimidin-2(1H)-one, molecular formula is C6H12N2O. In an article, author is Portalone, Gustavo,once mentioned of 7226-23-5, Recommanded Product: 1,3-Dimethyltetrahydropyrimidin-2(1H)-one.

5-Fluorocytosine/Isocytosine Monohydrate. The First Example of Isomorphic and Isostructural Co-Crystal of Pyrimidine Nucleobases

To date, despite the crucial role played by cytosine, uracil, and thymine in the DNA/RNA replication process, no examples showing isomorphic and isostructural behavior among binary co-crystals of natural or modified pyrimidine nucleobases have been so far reported in the literature. In view of the relevance of biochemical and pharmaceutical compounds such as pyrimidine nucleobases and their 5-fluoroderivatives, co-crystals of the molecular complex formed by 5-fluorocytosine and isocytosine monohydrate, C4H4FN3O center dot C4H5N3O center dot H2O, have been synthesized by a reaction between 5-fluorocytosine and isocytosine. They represent the first example of isomorphic and isostructural binary co-crystals of pyrimidine nucleobases, as X-ray diffraction analysis shows structural similarities in the solid-state organization of molecules with that of the (1:1) 5-fluorocytosine/5-fluoroisocytosine monohydrate molecular complex, which differs solely in the H/F substitution at the C5 position of isocytosine. Molecules of 5-fluorocytosine and isocytosine are present in the crystal as 1H and 3H-ketoamino tautomers, respectively. They form almost coplanar WC base pairs through nucleobase-to-nucleobase DAA/ADD hydrogen bonding interactions, demonstrating that complementary binding enables the crystallization of specific tautomers. Additional peripheral hydrogen bonds involving all available H atom donor and acceptor sites of the water molecule give a three-dimensional polymeric structure. In the absence of HMIDLINE HORIZONTAL ELLIPSISF hydrogen-bonding interactions, the robustness of the supramolecular architectures based on three-point recognition synthons is responsible for the existence of isostructurality between the two molecular complexes.

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Reference:
Pyrimidine | C4H4N2 – PubChem,
,Pyrimidine – Wikipedia

Let¡¯s face it, organic chemistry can seem difficult to learn, Application In Synthesis of 1,3-Dimethyltetrahydropyrimidin-2(1H)-one, Especially from a beginner¡¯s point of view. Like 7226-23-5, Name is 1,3-Dimethyltetrahydropyrimidin-2(1H)-one, molecular formula is C10H10O3, belongs to phthalazines compound. In a document, author is Ali, T. E., introducing its new discovery.

Regioselective Synthesis of Novel Functionalized Pyrano[2′,3′:4,5]pyrimido[1,6-b][1,2,4,5]triazaphosphepines

The reactions of 6-acetyl- 3-amino-4- imino-7-methyl-5-phenyl-3,5-dihydro-4H-pyrano[2,3-d]pyrimi dine with triethyl phosphite and some electrophilic reagents, namely 1,2-dibromoethane, oxalyl chloride, chloroacetyl chloride, and ethyl chloroacetate, were studied. These one-pot three-component reactions regioselectively afforded four new 11-acetyl-2-ethoxy-10-methyl-12- phenylpyrano[2′,3′:4,5]pyrimido[1,6-b][1,2,4,5.5]triazaphosphepin-2-ones in 69-73% yields.

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Reference:
Pyrimidine | C4H4N2 – PubChem,
,Pyrimidine – Wikipedia