9/23 News New downstream synthetic route of 874-14-6

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route,874-14-6, its application will become more common.

Related Products of 874-14-6 ,Some common heterocyclic compound, 874-14-6, molecular formula is C6H8N2O2, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc., below Introduce a new synthetic route.

General procedure: To a solution of 1,3-dimethyluracil 1a (0.20 mmol) in 2,2,2-trifluoroethanol (TFE) (3 mL),(4-chlorophenyl)(hydroxy)iodonium tosylate 2f (0.20 mmol) was added and it was stirred at room temperature. After completion of the reaction, the solvent was removed under vacuum. The product wasthen precipitated by the addition of Et2O with stirring. The precipitate was filtered to giveuracil-iodonium(III) salt 3f as white powder.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route,874-14-6, its application will become more common.

Reference:
Article; Takenaga, Naoko; Ueda, Shohei; Hayashi, Takumi; Dohi, Toshifumi; Kitagaki, Shinji; Heterocycles; vol. 97; 2; (2018); p. 1248 – 1256;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Sep-21 News The origin of a common compound about 874-14-6

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route,874-14-6, its application will become more common.

Electric Literature of 874-14-6, In the chemical reaction process,reaction time,type of solvent,can easily affect the result of the reaction, thereby determining the yield and properties of the reaction product.An updated downstream synthesis route of 874-14-6 as follows.

General procedure: Uracil1 (1 mmol), the arylboronic acid 2 (3 mmol), Pd(OAc)2 (10molpercent) and 1,10-phenanthroline (15 molpercent) were combined in dry DMF (10 ml) under O2 atmosphereand stirred for 5 min (Note: DMF wasdried over calcium hydride). The reaction mixture was stirred at 90oC and monitored by TLC using EtOAc-petroleum ether as the mobilephase. After completion, the reaction mixture was cooled, and water (10 ml) wasadded. The resulting solution was then extracted with EtOAc (3 QUOTE &13;&10;&13;&10;12?”> &13;&10;&13;&10;12?”> 20 ml). TheEtOAc extract was washed with water (5 QUOTE &13;&10;&13;&10;12?”> &13;&10;&13;&10;12?”> 10 ml) and thenbrine (10 ml). The organic layer was dried with Na2SO4.Evaporation of EtOAc furnished the crude product, which was purified by flash chromatography onsilica gel (EtOAc-Petroleum ether).

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route,874-14-6, its application will become more common.

Reference:
Article; Mondal, Biplab; Hazra, Somjit; Roy; Tetrahedron Letters; vol. 55; 5; (2015); p. 1077 – 1081;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

09/9/2021 News Share a compound : 874-14-6

According to the analysis of related databases, 874-14-6, the application of this compound in the production field has become more and more popular.

Electric Literature of 874-14-6, As we all know, there are many different methods for the synthesis of a compound, and people can choose the synthesis method that suits their own laboratory according to the actual situation. 874-14-6, name is 1,3-Dimethyluracil, molecular formula is C6H8N2O2, The compound is widely used in many fields, so it is necessary to find a new synthetic route. The downstream synthesis method of this compound is introduced below.

A mixture of A-5 (8.00 g, 96.28 mmol), 1,3-dimethylpyrimidine-2,4-dione (13.49 g, 96.28 mmol) and EtONa (32.76 g, 481.40 mmol) in EtOH (150 mL) was stirred at 80 °C for 5 hours. The solid was collected by filtration, washed with EtOH (50 mL), and dried in an oven to afford A-6 (12.50 g, 92.51 mmol) as a solid. 1H NMR (400MHz, DMSO-d6) delta 11 7.97 (d, 1H), 7.43 (d, 1H), 5.62 (d, 1H), 5.35 (d, 1H).

According to the analysis of related databases, 874-14-6, the application of this compound in the production field has become more and more popular.

Reference:
Patent; PRAXIS PRECISION MEDICINES, INC.; REDDY, Kiran; MARTINEZ BOTELLA, Gabriel; GRIFFIN, Andrew Mark; MARRON, Brian Edward; (168 pag.)WO2018/98500; (2018); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Some scientific research about 874-14-6

The synthetic route of 874-14-6 has been constantly updated, and we look forward to future research findings.

Adding a certain compound to certain chemical reactions, such as: 874-14-6, 1,3-Dimethyluracil, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound, Product Details of 874-14-6, blongs to pyrimidines compound. Product Details of 874-14-6

Intermediate 51Mixed intermediate 4 (1.33g, 5mmol) with dimethyl uracil (771mg, 5.5mmol) in anhydrous EtOH (12mL). Added 3M sodium ethoxide in ethanol (5.83mL, 17.5mmol). Stirred (at)90°C for 3hrs. Cooled to room temperature. Diluted with ethyl acetate and washed with saturated aqueous sodium bicarbonate solution twice and saturated aqueous sodium chloride solution. Dried organic extract over anhydrous sodium sulfate and then concentrated under reduced pressure. Purified with silica gel column (0-60percent EtOAc in hexanes) to give intermediate 51 (1.27g, 80percent yield). 1H NMR (400MHz, CD3OD): delta 8.29 (d, J=7.6Hz, 1H), 5.78 (d, J=8.0Hz, 1 H), 5.70 (s, 1 H), 5.40 (m, 1H), 4.01 (m, 1H), 2.89 (m, 1H), 2.34 (m, 1H), 1.80 (m, 1H), 1.63 (m, 2H), 1.54-1.45 (m, 1 1H).LC/MS m/z): 319.0 [M+H]+

The synthetic route of 874-14-6 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; GILEAD SCIENCES, INC.; BABAOGLU, Kerim; BOOJAMRA, Constantine, G.; EISENBERG, Eugene, J.; HUI, Hon Chung; MACKMAN, Richard, L.; PARRISH, Jay, P.; SANGI, Michael; SAUNDERS, Oliver, L.; SIEGEL, Dustin; SPERANDIO, David; YANG, Hai; WO2011/163518; (2011); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

The important role of 1,3-Dimethyluracil

In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles. 874-14-6, 1,3-Dimethyluracil, other downstream synthetic routes, hurry up and to see.

Related Products of 874-14-6, Adding some certain compound to certain chemical reactions, such as: 874-14-6, name is 1,3-Dimethyluracil,molecular formula is C6H8N2O2, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound 874-14-6.

General procedure: Uracil1 (1 mmol), the arylboronic acid 2 (3 mmol), Pd(OAc)2 (10molpercent) and 1,10-phenanthroline (15 molpercent) were combined in dry DMF (10 ml) under O2 atmosphereand stirred for 5 min (Note: DMF wasdried over calcium hydride). The reaction mixture was stirred at 90oC and monitored by TLC using EtOAc-petroleum ether as the mobilephase. After completion, the reaction mixture was cooled, and water (10 ml) wasadded. The resulting solution was then extracted with EtOAc (3 QUOTE &13;&10;&13;&10;12?”> &13;&10;&13;&10;12?”> 20 ml). TheEtOAc extract was washed with water (5 QUOTE &13;&10;&13;&10;12?”> &13;&10;&13;&10;12?”> 10 ml) and thenbrine (10 ml). The organic layer was dried with Na2SO4.Evaporation of EtOAc furnished the crude product, which was purified by flash chromatography onsilica gel (EtOAc-Petroleum ether).

In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles. 874-14-6, 1,3-Dimethyluracil, other downstream synthetic routes, hurry up and to see.

Reference:
Article; Mondal, Biplab; Hazra, Somjit; Roy; Tetrahedron Letters; vol. 55; 5; (2015); p. 1077 – 1081;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

The important role of 874-14-6

If you are interested in these compounds, you can also browse my other articles.Thank you for taking the time to read this article. I hope you enjoyed it, 874-14-6, 1,3-Dimethyluracil.

Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 874-14-6, name is 1,3-Dimethyluracil. This compound has unique chemical properties. The synthetic route is as follows. Safety of 1,3-Dimethyluracil

To a solution of sodium ethoxide in ethanol (0.49 M, 100 mL)3,5-Diamino-1 -hydro-pyrazole-4-carboxylic acid ethyl ester (2.08 g, 0.012 mol)1,3-dimethyluracil (1.7 g, 0.012 mol),The reaction was stirred at 90 C overnight.The resulting reaction mixture was cooled to room temperature and filtered to give the title compound as a pink solid (2.1 g, 79%).

If you are interested in these compounds, you can also browse my other articles.Thank you for taking the time to read this article. I hope you enjoyed it, 874-14-6, 1,3-Dimethyluracil.

Reference:
Patent; Guangdong Dongyangguang Pharmaceutical Co., Ltd.; Jiatuo Sciences Corporation; Xi Ning; (88 pag.)CN104650092; (2017); B;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Analyzing the synthesis route of 1,3-Dimethyluracil

The synthetic route of 874-14-6 has been constantly updated, and we look forward to future research findings.

In the next few decades, the world population will flourish. As the population grows rapidly and people all over the world use more and more resources, all industries must consider their environmental impact. 874-14-6, name is 1,3-Dimethyluracil, the common compound, a new synthetic route is introduced below. Formula: C6H8N2O2

A mechanically stirred mixture of 3-aminopyrazole (9.38 g, 0.11 mM, 1.0 equiv), 1,3-dimethyluracil (14.7 g, 0.11 mM, 1.0 equiv) and 21percent sodium ethoxide in ethanol (170 mL, 5.0 equiv) was heated to reflux. Within minutes, a heavy precipitate formed. After refluxing for 1 hour, 1,3-dimethyluracil could no longer be detected by thin layer chromatography (tlc) (92:8 dichloromethane (dichloromethane):MeOH). The reaction mixture was cooled, filtered, washed with cold ethanol and vacuum dried to give 13.47 g (95percent) of sodium pyrazolo[1,5-a]pyrimidin-5-olate. LCMS (ESI) m+H=136.0; 1H NMR (400 MHz, DMSO-d6) delta: 8.0 (d, 1H), 7.43 (d, 1H), 5.65 (d, 1H), 5.37 (d, 1H).

The synthetic route of 874-14-6 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Genentech, Inc.; US2012/22043; (2012); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Sources of common compounds: 1,3-Dimethyluracil

The synthetic route of 874-14-6 has been constantly updated, and we look forward to future research findings.

Adding a certain compound to certain chemical reactions, such as: 874-14-6, 1,3-Dimethyluracil, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound, Recommanded Product: 1,3-Dimethyluracil, blongs to pyrimidines compound. Recommanded Product: 1,3-Dimethyluracil

General procedure: An 8 mL oven-dried scintillation vial equipped with a magnetic stir bar was charged with a mixture of 4-quinolone or uracil (0.50 mmol, 1.0 equiv), disulfide or thiol (0.75 mmol, 1.5 equiv), molecular iodine (I2) (128 mg, 0.50 mmol, 1.0 equiv), K2S2O8 (1.00-1.50 mmol, 2.0-3.0 equiv), and acetonitrile (CH3CN) (1 mL). The vial was capped, and the reaction mixture was stirred at 60 or 80 C for 12-16 h. Upon completion, saturated Na2S2O3 (5 mL) and distilled deionized H2O (10 mL) was added, and the mixture was extracted with ethyl acetate (3 x 25 mL). The combined organic layer was washed with saturated NaCl, dried over anhydrous Na2SO4, and concentrated in vacuo. The crude product was purified by SiO2 column chromatography to afford the desired thioether products.

The synthetic route of 874-14-6 has been constantly updated, and we look forward to future research findings.

Reference:
Article; Beukeaw, Danupat; Noikham, Medena; Yotphan, Sirilata; Tetrahedron; vol. 75; 39; (2019);,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Application of 874-14-6

With the rapid development of chemical substances, we look forward to future research findings about 874-14-6.

The major producers of chemicals have been the Europe, Japan and China. Due to the growing call for a cleaner, greener environment, people will have to find innovative ways to maintain their relevance. Here is a compound 874-14-6, name is 1,3-Dimethyluracil. This compound has unique chemical properties. The synthetic route is as follows. Recommanded Product: 1,3-Dimethyluracil

General procedure: A 0.3M solution of Bu4NClO4 in THF (15 mL) was placed in thecathodic chamber of a divided cell (40 mL beaker, 3 cm diameter, 6 cm height)equipped with a lead cathode (5 X 5 cm2), a platinum anode (2 X 1 cm2),and a ceramic cylindrical diaphragm (1.5 cm diameter). A 0.3 M solution of Et4NOTsin DMF (4 mL) was placed in the anodic chamber (inside the diaphragm). 1,3-Dimethylpyrimidine-2,4(1H,3H)-dione(1a) (140 mg, 1.0 mmol), benzophenone (2a) (368mg, 2.0 mmol), TMSCl (0.64 mL, 5 mmol), and TEA (0.70 mL, 5 mmol) were added tothe cathodic chamber. After 400 C of electricity was passed at a constantcurrent of 200 mA at room temperature under nitrogen atmosphere, the catholytewas evaporated in vacuo. The residue was dissolved in diethyl ether (20 mL)and insoluble solid was filtered off. After removal of the solvent in vacuo, the residue was purified by column chromatography on silica gel(hexanes-EtOAc) to give 3a (305 mg) in 77percent yield.

With the rapid development of chemical substances, we look forward to future research findings about 874-14-6.

Reference:
Article; Kise, Naoki; Miyamoto, Hiroyuki; Hamada, Yusuke; Sakurai, Toshihiko; Tetrahedron Letters; vol. 56; 31; (2015); p. 4599 – 4602;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Some tips on 1,3-Dimethyluracil

If you are interested in these compounds, you can also browse my other articles.Thank you for taking the time to read this article. I hope you enjoyed it, 874-14-6, 1,3-Dimethyluracil.

Researchers who often do experiments know that organic synthesis is a process of preparing more complex target molecules from simple raw materials through one or more chemical reactions. Generally, it requires fewer steps,and cheap raw materials. 874-14-6, name is 1,3-Dimethyluracil. A new synthetic method of this compound is introduced below., Computed Properties of C6H8N2O2

10405] A solution of 1H-pyrazol-5-amine and 1,3-dimeth- ylpyrimidine-2,4(1H,3H)-dione (1.05 equiv.) were charged to a round bottom flask outfitted with a mechanical stirrer,steam pot, a reflux condenser, a J-Kem temperature probe and an N2 adaptor for positive N2 pressure control. Under mechanical stirring the solids were suspended with 4 vol. (4 mL/g) of absolute EtOR under a nitrogen atmosphere, then charged with 2.1 equivalents of NaOEt (21 wt percent solution in EtOR), and followed by line-rinse with 1 vol. (1 mL/g) of absolute EtOR. The slurry was warmed to about 75° Celsius and stirred at gentle reflux until less than 1 .5 area percent of 1H-pyrazol-5-amine was observed by TRK1PM1 HPLC tofollow the progression of the reaction using 20 tL of slurry diluted in 4 mE deionized water and 5 tE injection at 220 mm10406] After 1 additional hour, the mixture was charged with 2.5 vol. (2.5 mE/g) of heptane and then refluxed at 70° Celsius for 1 hout The slurry was then cooled to room temperature overnight. The solid was collected by filtrationa tabletop funnel and polypropylene filter cloth. The reactor was rinsed and charged atop the filter cake with 4 vol. (4 mE/g) of heptane with the cake pulled and the solids being transferred to tared drying trays and oven-dried at 45° Celsius under high vacuum until their weight was constant. Pale yellow solid sodium pyrazolo[1 ,5-a] -pyrimidin-5-olate was obtained in 93-96percent yield (corrected) and larger than 99.5 area percent observed by HPEC (1 mgmE dilution in deionized water, TRK1PM1 at 220 nm).

If you are interested in these compounds, you can also browse my other articles.Thank you for taking the time to read this article. I hope you enjoyed it, 874-14-6, 1,3-Dimethyluracil.

Reference:
Patent; Loxo Oncology, Inc.; Cox, Michael; Nanda, Nisha; (65 pag.)US2017/281632; (2017); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia