Category: 34253-03-7

Related Products of 34253-03-7, 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. 34253-03-7, name is Methyl pyrimidine-2-carboxylate. A new synthetic method of this compound is introduced below.

Pyrimidin-2-ylmethanol (12):To a stirred solution of ester 11 (0.43 g, 3.09 mmol) in EtOH (30 mL), cooled to 0C, NaBH4 (0.114 g, 3.09 mmol) was added and stirred for 2 h. After consumption of the starting material (by TLC), the reaction was quenched with cold water and concentrated under vacuo to give the crude material which was purified by silica gel column chromatography (MeOH/CH2Cl2 1 :49) to afford alcohol 12 (0.145 g, 37%) as syrup.TLC: 10% MeOH/CHCl3 (Rf: 0.3)1H NMR (500MHz, CDC13): delta 8.75 (d, J = 5.5 Hz, 2H), 7.26-7.22 (m, 1H), 4.85 (s, 2H).Mass (ESI): 111.1 [M++l].

At the same time, in my other blogs, there are other synthetic methods of this type of compound,34253-03-7, Methyl pyrimidine-2-carboxylate, and friends who are interested can also refer to it.

Reference:
Patent; THERACRINE, INC.; SUN, Lijun; BARSOUM, James; WESTER, Ronald; WO2013/13238; (2013); A2;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Synthetic Route of 34253-03-7 ,Some common heterocyclic compound, 34253-03-7, molecular formula is C6H6N2O2, 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.

Step B: Preparation of pyrimidin-2-ylmethanol: A cold solution (0 C.) of methylpyrimidine-2-carboxylate (659 mg, 4.77 mmol) in EtOH (25 mL) was prepared, and sodium borohydride (181 mg, 4.77 mmol) was added. The reaction mixture was stirred at room temperature for 2 hours. The reaction was quenched with water (5 mL) and concentrated. The crude product was purified using silica gel chromatography to give the desired product as a white solid (154 mg, 30%). 1H NMR (400 MHz, CDCl3) delta8.76-8.75 (d, J=4.7 Hz, 2H), 7.27-7.25 (t, J=4.7 Hz, 1H), 4.87 (s, 2H), 4.10 (br s, 1H).

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. 34253-03-7, Methyl pyrimidine-2-carboxylate, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; Array Biopharma, Inc.; US2010/63066; (2010); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Application of 34253-03-7 ,Some common heterocyclic compound, 34253-03-7, molecular formula is C6H6N2O2, 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.

Step B: Preparation of pyrimidin-2-ylmethanol: A cold solution (0 C.) of methylpyrimidine-2-carboxylate (659 mg, 4.77 mmol) in EtOH (25 mL) was prepared, and sodium borohydride (181 mg, 4.77 mmol) was added. The reaction mixture was stirred at room temperature for 2 hours. The reaction was quenched with water (5 mL) and concentrated. The crude product was purified using silica gel chromatography to give the desired product as a white solid (154 mg, 30%). 1H NMR (400 MHz, CDCl3) delta8.76-8.75 (d, J=4.7 Hz, 2H), 7.27-7.25 (t, J=4.7 Hz, 1H), 4.87 (s, 2H), 4.10 (br s, 1H).

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. 34253-03-7, Methyl pyrimidine-2-carboxylate, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; Array Biopharma, Inc.; US2010/63066; (2010); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Synthetic Route of 34253-03-7, 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. 34253-03-7, name is Methyl pyrimidine-2-carboxylate. A new synthetic method of this compound is introduced below.

[0507] Synthesis of pyrimidin-2-ylmethanol: [0508] To a stirred solution of methyl pyrimidine-2-carboxylate (10.0 g, 72.46 mmol) in EtOH (100 mL) was added NaBH4 (3.85 g, 101.31 mmol) portion wise at 0 C under inert atmosphere. The reaction mixture was warmed to RT and stirred for 2 h. After completion of starting material by TLC, the volatiles were evaporated under reduced pressure. The residue was diluted with saturated K2C03 solution and extracted with EtOAc. The combined organic layer was dried over sodium sulphate, filtered and concentrated in vacuo to afford pyrimidin-2-ylmethanol (4.5 g, crude) as yellow semi-solid. 1H-NMR (DMSO-d6, 400 MHz): delta 8.76 (d, 2H), 7.42 (t, 1H), 5.29 (br s, 1H), 4.61 (s, 2H); LC-MS: 94.12%; 111 (M++l) (column; Chromolith RP-18, (100×4.6 mm); RT 2.24 min. 5mM NH4OAc: ACN; 0.8 ml/min); TLC: 100% EtOAc (Rf: 0.2).

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route,34253-03-7, its application will become more common.

Reference:
Patent; ENVIVO PHARMACEUTICALS, INC.; RIPKA, Amy; SHAPIRO, Gideon; MCRINER, Andrew, J.; BURSAVICH, Matthew, Gregory; WO2013/142269; (2013); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Application of 34253-03-7, With the rapid development and complex challenges of chemical substances, the synthesis of new drugs is usually one of the most effective ways to increase yield.34253-03-7, name is Methyl pyrimidine-2-carboxylate, molecular formula is C6H6N2O2, molecular weight is 138.12, as common compound, the synthetic route is as follows.

1-(3-Benzylphenyl)-3-pyrimidin-2-yl-propane-1,3-dione (5R). To a solution of 4B (0.3 g, 1.43 mmol) and methyl pyrimidine-2-carboxylate (0.197 g, 1.43 mmol) in THF (7.0 ml) was added sodium methoxide (0.154 g, 2.85 mmol). After one hour of stirring at room temperature the yellow solution was poured into a saturated solution of ammonium chloride, extracted with ethyl acetate, dried over sodium sulfate, filtered and concentrated to give a yellow oil. The oil was dissolved in DMSO and purified using reverse phase HPLC on a C18 column to give a light colored solid, (5R) after lyophilization. 1H NMR (400 MHz, CDCl3) delta 8.97-8.96 (d, j=4.8 Hz, 2 H), 7.94-7.91 (m, 2 H), 7.61 (s, 1 H), 7.46-7.39 (m, 3 H), 7.32-7.19 (m, 5 H), 4.07 (s,2 H).

The chemical industry reduces the impact on the environment during synthesis 34253-03-7, I believe this compound will play a more active role in future production and life.

Reference:
Patent; Payne, Linda S.; Tran, Lekhanh O.; Zhuang, Linghang H.; Young, Steven D.; Egbertson, Melissa S.; Wai, John S.; Embrey, Mark W.; Fisher, Thorsten E.; Guare, James P.; Langford, H. Marie; Melamed, Jeffrey Y.; Clark, David L.; US2003/229079; (2003); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Application of 34253-03-7 ,Some common heterocyclic compound, 34253-03-7, molecular formula is C6H6N2O2, 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.

To a solution of methyl pyrimidine-2-carboxylate (25 g, 181 mmol, 1 equiv) in MeOH (500 mL) was added NaBHt (8.2 g, 217 mmol, 1.2 equiv) at 0C. The reaction mixture was stirred at room temperature for 4 hours. The reaction mixture was quenched with H2O (20 mL), concentrated in vacuo and the residue was purified by flash column chromatography (eluted with PE/EtOAc = 1/1) to afford the title compound pyrimidin-2- ylmethanol as a yellow oil (16 g, 80% yield). LC-MS : m/z 111.0 (M+H)+

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. 34253-03-7, Methyl pyrimidine-2-carboxylate, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; ANNAPURNA BIO INC.; TANG, Haifeng; BOYCE, Sarah; HANSON, Michael; NIE, Zhe; (213 pag.)WO2019/169193; (2019); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

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. 34253-03-7, name is Methyl pyrimidine-2-carboxylate, the common compound, a new synthetic route is introduced below. Product Details of 34253-03-7

Step B: Preparation of pyrimidin-2-ylmethanol: NaBH4 (0.22 g, 5.79 mmol) was added in one portion to a solution of methylpyrimidine-2-carboxlate (0.80, 5.79 mmol) in EtOH (30 mL). The reaction mixture was left at room temperature overnight before carefully quenching with water (5.0 mL) and concentrating to dryness. The residue was taken up in MeOH and filtered. The filtrate was concentrated and was purified by flash column chromatography, eluting with CH2Cl2/MeOH (100:1) to give 0.18 g (28%) of the desired product as a yellow oil. Step B: Pyrimidin-2-ylmethanol: A solution of methyl pyrimidine-2-carboxylate (659 mg, 4.77 mmol, 1.00 equiv) in 25 mL EtOH was cooled to 0 C. in an ice bath, and sodium borohydride (181 mg, 4.77 mmol, 1.00 equiv) was added. The reaction mixture was warmed to ambient temperature, and stirred 2 hours, and then 5 ml water was added. The reaction was concentrated under reduced pressure, and the residue was purified using silica gel chromatography to give the desired product as a white solid (154 mg, 30%).

The synthetic route of 34253-03-7 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Miknis, Greg; Lyssikatos, Joseph P.; Laird, Ellen; Tarlton, Eugene; Buckmelter, Alexandre J.; Ren, Li; Rast, Bryson; Schlacter, Stephen T.; Wenglowsky, Steven Mark; US2007/49603; (2007); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Application of 34253-03-7, 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 34253-03-7, name is Methyl pyrimidine-2-carboxylate. This compound has unique chemical properties. The synthetic route is as follows.

To a solution of methyl pyrimidine-2-carboxylate (25 g, 181 mmol, 1 equiv) in MeOH (500 mL) was added NaBHt (8.2 g, 217 mmol, 1.2 equiv) at 0C. The reaction mixture was stirred at room temperature for 4 hours. The reaction mixture was quenched with H2O (20 mL), concentrated in vacuo and the residue was purified by flash column chromatography (eluted with PE/EtOAc = 1/1) to afford the title compound pyrimidin-2- ylmethanol as a yellow oil (16 g, 80% yield). LC-MS : m/z 111.0 (M+H)+

While traditionally a conservative industry, chemical producers will need to modernize their PR strategies to stay relevant.we look forward to future research findings about 34253-03-7, Methyl pyrimidine-2-carboxylate.

Reference:
Patent; ANNAPURNA BIO INC.; TANG, Haifeng; BOYCE, Sarah; HANSON, Michael; NIE, Zhe; (213 pag.)WO2019/169193; (2019); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

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. 34253-03-7, name is Methyl pyrimidine-2-carboxylate. This compound has unique chemical properties. The synthetic route is as follows. Application In Synthesis of Methyl pyrimidine-2-carboxylate

1-[5-(4-Fluoro-benzyl)-3-hydroxy-benzofuran-2-yl]-1-pyrimidin-2-yl-methanone A solution of 5-(4-fluorobenzyl)-benzofuran-3-ol (242 mg, 1 mmol) in THF (10 ml) was cooled and treated dropwise with a solution of lithium bistrimethylsilyl amide in THF (1M) (1.3 ml, 1.3 mmol) with keeping the temperature -65C or below. Then the reaction mixture was warmed gradually to 0C, again cooled to -70C, and treated dropwise with a solution of 2-methoxycarbonylpyrimidine (166 mg, 1.3 mmol) in THF (5 ml). The reaction mixture was warmed gradually and stirred at room temperature for 30 minutes. The reaction mixture was added to an aqueous ammoniumchloride, extracted with ethyl acetate, washed, and dried. The solvent was distilled off, and the residue was washed with ether-chloroform to obtain the title compound (30 mg, 0.09 mmol) as a yellow crystal at the yield of 8.6%. Melting point: 258C dec. Recrystallization solvent: Chloroform-etherNMR(d6-DMSO) delta: 4.08(2H, s), 7.12(2H, t, J=8.7Hz), 7.26-7.36(2H, m), 7.44-7.56(2H, m), 7.68(1H, brs), 7.86-7.92(1H, s),9.20(2H, d, J=5.1Hz).

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, 34253-03-7, Methyl pyrimidine-2-carboxylate.

Reference:
Patent; SHIONOGI & CO., LTD.; EP1297834; (2003); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Related Products of 34253-03-7, 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. 34253-03-7, name is Methyl pyrimidine-2-carboxylate. A new synthetic method of this compound is introduced below.

To a solution of 19D (0.35 g, 1.25 mmol) and 5L (0.173 g, 1.25 mmol) in THF (7 mL) was added sodium methoxide (0.135 g, 2.50 mmol). After stirring at room temperature under argon for one hour, the resultant dark yellow mixture was pored into a saturated solution of ammonium chloride. The mixture was extracted three times with ethyl acetate. The organic extract was dried over sodium sulfate, filtered and concentrated to give a dark brown sticky solid. This material was triturated with toluene and white solids precipitated. The solid was collected by filtration to give 19R. 1H NMR (400 MHz, DMSO) delta9.07-9.05 (d×d, j=1.0 Hz, 4.9 Hz, 2 H), 7.87 (m, 4 H), 7.74-7.71 (t, j=4.9 Hz, 1H). 7.56 (s, 1H) 7.48 (m, 2H), 7.38 (s, 1H), 6.29-6.28 (t, j=2.1 Hz, 2H), 5.44 (s, 4H). ES MS M + 1 = 387.1560.

At the same time, in my other blogs, there are other synthetic methods of this type of compound,34253-03-7, Methyl pyrimidine-2-carboxylate, and friends who are interested can also refer to it.

Reference:
Patent; Payne, Linda S.; Tran, Lekhanh O.; Zhuang, Linghang H.; Young, Steven D.; Egbertson, Melissa S.; Wai, John S.; Embrey, Mark W.; Fisher, Thorsten E.; Guare, James P.; Langford, H. Marie; Melamed, Jeffrey Y.; Clark, David L.; US2003/229079; (2003); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia