Pyrimidines

Manzoor, Shoaib; Gabr, Moustafa T.; Rasool, Bisma; Pal, Kavita; Hoda, Nasimul published their research in Bioorganic Chemistry in 2021. The article was titled 《Dual targeting of acetylcholinesterase and tau aggregation: Design, synthesis and evaluation of multifunctional deoxyvasicinone analogues for Alzheimer′s disease》.Safety of 2,4-Dichloropyrimidine The article contains the following contents:

Development of multitargeted ligands have demonstrated remarkable efficiency as potential therapeutics for Alzheimer′s disease (AD). Herein, we reported a new series of deoxyvasicinone analogs as dual inhibitor of acetylcholinesterase (AChE) and tau aggregation that function as multitargeted ligands for AD. All the multitargeted ligands 11(a-j) and 15(a-g) were designed, synthesized, and validated by 1HNMR, 13CNMR and mass spectrometry. All the synthesized compounds 11(a-j) and 15(a-g) were screened for their ability to inhibit AChE, BACE1, amyloid fibrillation, α-syn aggregation, and tau aggregation. All the screened compounds possessed weak inhibition of BACE-1, Aβ42 and α-syn aggregation. However, several compounds were identified as potential hits in the AChE inhibitory screening assay and cellular tau aggregation screening. Among all compounds, 11f remarkably inhibited AChE activity and cellular tau oligomerization at single-dose screening (10 μM). Moreover, 11f displayed a half-maximal inhibitory concentration (IC50) value of 0.91 ± 0.05 μM and half-maximal effective concentration (EC50) value of 3.83 ± 0.51 μM for the inhibition of AChE and cellular tau oligomerization, resp. In addition, the neuroprotective effect of 11f was determined in tau-expressing SH-SY5Y cells incubated with Aβ oligomers. These findings highlighted the potential of 11f to function as a multifunctional ligand for the development of promising anti-AD drugs. The results came from multiple reactions, including the reaction of 2,4-Dichloropyrimidine(cas: 3934-20-1Safety of 2,4-Dichloropyrimidine)

2,4-Dichloropyrimidine(cas: 3934-20-1) is a member of organic chlorides. Almost all organochlorine compounds are synthesized. It is widely used as intermediates, solvents and pesticides of chemical synthetic products.Safety of 2,4-Dichloropyrimidine

Referemce:
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

《Green oxidant H2O2 as a hydrogen atom transfer reagent for visible light-mediated Minisci reaction》 was published in New Journal of Chemistry in 2019. These research results belong to Zhao, Hong; Li, Zhenlong; Jin, Jian. HPLC of Formula: 14001-60-6 The article mentions the following:

A visible light-mediated “”green”” protocol for metal-free oxidative coupling of heteroarenes and aliphatic C-H components were achieved via a radical pathway. This cross-dehydrogenative coupling method features a broad scope of substrates. The green oxidant H2O2 was used as a hydrogen atom transfer reagent, which was environmentally benign, low cost, and atom economical. In the part of experimental materials, we found many familiar compounds, such as 2-Methoxy-4-methylpyrimidine(cas: 14001-60-6HPLC of Formula: 14001-60-6)

2-Methoxy-4-methylpyrimidine(cas: 14001-60-6) is a member of ether. When aromatic ethers are exposed to halogen in the presence or absence of a catalyst, they undergo halogenation, such as bromination.HPLC of Formula: 14001-60-6

Referemce:
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Recommanded Product: ((2S,5R)-5-(5-Methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-2,5-dihydrofuran-2-yl)methyl benzoateOn October 30, 1995 ,《5′-Benzoyl-2’α-bromo-3′-O-methanesulfonylthymidine: a superior nucleoside for the synthesis of the anti-AIDS drug D4T (stavudine)》 was published in Tetrahedron Letters. The article was written by Chen, Bang-Chi; Quinlan, Sandra L.; Stark, Derron R.; Reid, J. Gregory; Audia, Vicki H.; George, Jacqueline G.; Eisenreich, Emerich; Brundidge, Steve P.; Racha, Saibaba; Spector, Richard H.. The article contains the following contents:

The anti-AIDS drug d4T is prepared in 75% overall yield starting from the readily available ribonucleoside 5-methyluridine. The key step in this new synthesis is the zinc-induced reductive elimination of the bromomesylate I, which affords d4T without nucleoside bond cleavage. A facile procedure for the deprotection/isolation of this highly water soluble product is also described. After reading the article, we found that the author used ((2S,5R)-5-(5-Methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-2,5-dihydrofuran-2-yl)methyl benzoate(cas: 122567-97-9Recommanded Product: ((2S,5R)-5-(5-Methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-2,5-dihydrofuran-2-yl)methyl benzoate)

((2S,5R)-5-(5-Methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-2,5-dihydrofuran-2-yl)methyl benzoate(cas: 122567-97-9) belongs to pyrimidine. Pyrimidine nucleotide derivatives have a wide range of biological applications. For example, pyrimidine derivatives are useful in DNA repair studies involving cancer and epigenetics.Recommanded Product: ((2S,5R)-5-(5-Methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-2,5-dihydrofuran-2-yl)methyl benzoate

Referemce:
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Chen, Bang-Chi; Quinlan, Sandra L.; Reid, J. Gregory; Spector, Richard H. published an article on February 19 ,1998. The article was titled 《A new thymine free synthesis of the anti-AIDS drug d4T via regio/stereo controlled β-elimination of bromoacetates》, and you may find the article in Tetrahedron Letters.Formula: C17H16N2O5 The information in the text is summarized as follows:

The anti-AIDS drug d4T was prepared without contamination of the nucleoside bond cleaved byproduct thymine from the readily available ribonucleoside 5-methyluridine. This was accomplished by using a new strategy which involved a regio/stereo controlled β-elimination of trans-bromoacetates. The experimental process involved the reaction of ((2S,5R)-5-(5-Methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-2,5-dihydrofuran-2-yl)methyl benzoate(cas: 122567-97-9Formula: C17H16N2O5)

((2S,5R)-5-(5-Methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-2,5-dihydrofuran-2-yl)methyl benzoate(cas: 122567-97-9) belongs to pyrimidine. Pyrimidine nucleotide derivatives have a wide range of biological applications. For example, pyrimidine derivatives are useful in DNA repair studies involving cancer and epigenetics.Formula: C17H16N2O5

Referemce:
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

In 1978,Tetrahedron Letters included an article by Lapachev, V. V.; Zagulyaeva, O. A.; Bichkov, S. F.; Mamaev, V. P.. Formula: C9H9N3O2. The article was titled 《Tautomerism in the pyrimidylmethane systems》. The information in the text is summarized as follows:

The tautomerism of pyrimidyl-4-methanes I [R = CH(CN)CO2Et, R1 = Me, CF3; R = CH2NO2, R1 = Me, H] was studied by 13C and 1H NMR methods. In the presence of DMSO pyrimidine, ortho quinoid and para quinoid forms were observed; the tautomeric equilibrium between these forms, especially between pyrimidylidene tautomers, depends strongly on solvent and is more complicated than suggested by H. Feuer and J. P. Lawrence (1972). Pyrimidine-pyrimidylidene equilibrium were also observed in the pyrimidyl-2-methanes II (R = H, R1 = H, Me, Br, Cl, OMe, NMe2; R = Me, Ph, OMe, R1 = H).Ethyl 2-cyano-2-(pyrimidin-2-yl)acetate(cas: 65364-63-8Formula: C9H9N3O2) was used in this study.

Ethyl 2-cyano-2-(pyrimidin-2-yl)acetate(cas: 65364-63-8) is a member of pyrimidine. Pyrimidine derivatives are an important class of N-heterocycles. They are well-known for their wide spectrum of promising biological activities such as antitumors, bactericidals, and fungicidal.Formula: C9H9N3O2

Referemce:
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

In 2016,Gower, Carrie M.; Thomas, Jason R.; Harrington, Edmund; Murphy, Jason; Chang, Matthew E. K.; Cornella-Taracido, Ivan; Jain, Rishi K.; Schirle, Markus; Maly, Dustin J. published 《Conversion of a Single Polypharmacological Agent into Selective Bivalent Inhibitors of Intracellular Kinase Activity》.ACS Chemical Biology published the findings.Product Details of 3764-01-0 The information in the text is summarized as follows:

Loss-of-function studies are valuable for elucidating kinase function and the validation of new drug targets. While genetic techniques, such as RNAi and genetic knockouts, are highly specific and easy to implement, in many cases post-translational perturbation of kinase activity, specifically pharmacol. inhibition, is preferable. However, due to the high degree of structural similarity between kinase active sites and the large size of the kinome, identification of pharmacol. agents that are sufficiently selective to probe the function of a specific kinase of interest is challenging, and there is currently no systematic method for accomplishing this goal. Here, the authors present a modular chem. genetic strategy that uses antibody mimetics as highly selective targeting components of bivalent kinase inhibitors. The authors demonstrate that it is possible to confer high kinase selectivity to a promiscuous ATP-competitive inhibitor by tethering it to an antibody mimetic fused to the self-labeling protein SNAPtag. With this approach, a potent bivalent inhibitor of the tyrosine kinase Abl was generated. Profiling in complex cell lysates, with competition-based quant. chem. proteomics, revealed that this bivalent inhibitor possesses greatly enhanced selectivity for its target, BCR-Abl, in K562 cells. Importantly, the authors show that both components of the bivalent inhibitor can be assembled in K562 cells to block the ability of BCR-Abl to phosphorylate a direct cellular substrate. Finally, the authors demonstrate the generality of using antibody mimetics as components of bivalent inhibitors by generating a reagent that is selective for the activated state of the serine/threonine kinase ERK2. The results came from multiple reactions, including the reaction of 2,4,6-Trichloropyrimidine(cas: 3764-01-0Product Details of 3764-01-0)

2,4,6-Trichloropyrimidine(cas: 3764-01-0) is a member of organic chlorides. Almost all organochlorine compounds are synthesized. It is widely used as intermediates, solvents and pesticides of chemical synthetic products.Product Details of 3764-01-0

Referemce:
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

The author of 《Phenyl- and Pyrazolyl-Functionalized Pyrimidine: Versatile Chromophore of Bis-Tridentate Ir(III) Phosphors for Organic Light-Emitting Diodes》 were Chen, Yi-Kuang; Kuo, Hsin-Hung; Luo, Dian; Lai, Yi-Ning; Li, Wei-Cheng; Chang, Chih-Hao; Escudero, Daniel; Jen, Alex K.-Y.; Hsu, Ling-Yang; Chi, Yun. And the article was published in Chemistry of Materials in 2019. Recommanded Product: 3764-01-0 The author mentioned the following in the article:

There is growing interest in the bis-tridentate Ir(III) emitters as they are expected to display both improved emission efficiency and improved photostability. Herein, the authors turned to the new emitters m2h-1-3 and m6h-1-3, bearing a pincer carbene ancillary and a chromophoric chelate derived from judiciously selected phenyl-pyrimidine-pyrazole entities (pzm2hF)H2 and (pzm6hF)H2, which differ in terms of the location of Ph and pyrazole substituents on the central pyrimidine. D. functional theory calculations revealed a notable change in the spin d. distribution from the pyrimidine-pyrazolate entity in m2h to the pyrimidine-Ph fragment in m6h. As a consequence, the m6h emitters exhibited both shortened emission lifetimes and improved stabilities during extensive photolysis in solution, while corresponding organic light-emitting diodes (OLEDs) doped with green-emitting m6h-1 and sky-blue-emitting m6h-2 and m6h-3 exhibited external quantum efficiencies of 17.6, 15.9, and 17.6%, resp., superior to those of all of their m2h counterparts at a practical luminance of 103 cd/m2. This finding suggests a new methodol. for fine-tuning the electronic transition that is important to high-performance and durable phosphorescent OLEDs. In the experimental materials used by the author, we found 2,4,6-Trichloropyrimidine(cas: 3764-01-0Recommanded Product: 3764-01-0)

2,4,6-Trichloropyrimidine(cas: 3764-01-0) is a member of organic chlorides. Organic chloride content in crude oil can be detected through specialized laboratory analysis. Care and attention are essential while sampling and testing.Recommanded Product: 3764-01-0

Referemce:
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

《Achieving efficient deep-blue TADF in carbazole-pyrimidine compounds》 was published in Organic Electronics in 2020. These research results belong to Serevicius, Tomas; Skaisgiris, Rokas; Fiodorova, Irina; Steckis, Vytautas; Dodonova, Jelena; Banevicius, Dovydas; Kazlauskas, Karolis; Jursenas, Saulius; Tumkevicius, Sigitas. COA of Formula: C4H2Cl2N2 The article mentions the following:

An approach for achieving deep blue thermally activated delayed fluorescence (TADF) is presented. A simple carbazole-pyrimidine compound Cbz-PYR with near-UV emission and simultaneous room-temperature phosphorescence (RTP) was selectively modified by lowering the singlet state energy, simultaneously preserving high triplet energy. The modified compound tCbz-mPYRs was shown to be efficient TADF emitter with 0.5 solid-state emission yield and peak wavelength of 428 nm. When used in OLED device, tCbz-mPYRs based OLED showed electroluminescence with 8.7% external quantum efficiency (EQE) and Commission Internationale de l′Eclairage (CIE) coordinates of (0.16; 0.12). In the part of experimental materials, we found many familiar compounds, such as 4,6-Dichloropyrimidine(cas: 1193-21-1COA of Formula: C4H2Cl2N2)

4,6-Dichloropyrimidine(cas: 1193-21-1) is a member of organic chlorides. Almost all organochlorine compounds are synthesized. It is widely used as intermediates, solvents and pesticides of chemical synthetic products.COA of Formula: C4H2Cl2N2

Referemce:
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

《Nitrogen Enables the Intensity Modulation of Charge Transfer and Spin Paramagnetism in Graphdiyne》 was written by Zhang, Mingjia; Guan, Zhaoyong; Yang, Ze; Hu, Xiuli; Wang, Xiaoxiong; Long, Yun-Ze; Huang, Changshui. Recommanded Product: 2,4,6-Trichloropyrimidine And the article was included in Chemistry of Materials in 2020. The article conveys some information:

The modulation of intrinsic properties, including magnetism in 2-dimensional materials, has attracted considerable interest as it expands device performance and allows for advanced flexible electronics. Herein, a facile way is developed to modulate the magnetic and elec. response of graphdiyne (GDY) by precise N doping. The introduced N exists only as specific pyridine N and can meet the relative change of 1:2:3 between different materials, which can be used as a switch-like property to manipulate charge transfer and spin. Among these, triazine-graphdiyne (TA-GDY) with the most N content achieves the highest saturation magnetization of up to 3.0 emu/g at 2 K. The accompanying moderate band gap and mobility of up to 7.56 cm2 V-1 s-1 endow it a broad application prospect. These results revealed that controllable N doping can modulate the phys. properties of C-based materials, thus providing a critical way to extend their application in future C electronics involving spin. The experimental part of the paper was very detailed, including the reaction process of 2,4,6-Trichloropyrimidine(cas: 3764-01-0Recommanded Product: 2,4,6-Trichloropyrimidine)

2,4,6-Trichloropyrimidine(cas: 3764-01-0) is a member of organic chlorides. Organic chloride content in crude oil can be detected through specialized laboratory analysis. Care and attention are essential while sampling and testing.Recommanded Product: 2,4,6-Trichloropyrimidine

Referemce:
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Product Details of 3934-20-1In 2019 ,《Synthesis, Characterization, Anticancer and Antimicrobial Activity Studies of Novel Isomeric 2,4-Disubstituted Ureide Derivatives of Pyrimidinopiperidines》 appeared in ChemistrySelect. The author of the article were Bhavanam, Lourdu Rani; Kotra, Vijay; Mule, Sivanagi Reddy; Krishna Khandapu, Bala Murali; Bollikolla, Hari Babu. The article conveys some information:

A series of isomeric ureide derivatives of novel 2,4-disubstituted pyrimidinopiperidines, e.g., I were synthesized starting from 2,4-dichloropyrimidine. All the final products were purified on silica and characterized by spectral anal. Both the 2,4-disubstituted pyrimidinopiperidines were analyzed for their in vitro anticancer activity on the cell lines HCT116, MIA-PaCa2 and MDA-MB 231 by using MTT cell proliferation assay. Further, the antimicrobial studies were carried out against different bacterial and fungal strains by employing cup plate method. These compounds showed significant anticancer activity on tested three cancer cell lines and exhibited potent antimicrobial activity in tested strains of bacteria and fungi. In addition to this study using 2,4-Dichloropyrimidine, there are many other studies that have used 2,4-Dichloropyrimidine(cas: 3934-20-1Product Details of 3934-20-1) was used in this study.

2,4-Dichloropyrimidine(cas: 3934-20-1) is a member of organic chlorides. Organic chlorides are compounds containing a carbon-chlorine bond, which are widely used in the oil field as a wax dissolver. They are generally not present in crude oils and are typically the result of additives, cleaning solutions or chemicals used for oil recovery.Product Details of 3934-20-1

Referemce:
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia