Category: 13036-57-2

Related Products of 13036-57-2, 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. 13036-57-2, name is 2-Chloro-4-methylpyrimidine, molecular formula is C5H5ClN2, 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.

Example 8, Step E[00106] A mixture of compound 8d (162 mg, 0.5 mmol), 2-chloro-4-methylpyrimidine (128 mg, 1 mmol), Pd2(dba)3 (30 mg, 0.032 mmol), Xant-phos (37 mg, 0.054 mmol) and Cs2C03 (326 mg, 1 mmol) in dioxane (4 ml.) was heated to reflux for 5 hrs under N2. The mixture was cooled to r. , filtered and the filtrate concentrated in vacuo. The residue was purified by preparative TLC (EtOAc: PE = 1 :1) to give product 8e (116 mg, 56%).[00107] This compound was characterized by mass spectroscopy (MS) in accordance with the procedures described herein. Mass spectroscopy indicated MS (ESI): m/z 417 (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 13036-57-2, 2-Chloro-4-methylpyrimidine.

Reference:
Patent; MERCK SHARP & DOHME CORP.; ADDEX PHARMA S.A.; LIVERTON, Nigel, J.; BOLEA, Christelle; CELANIRE, Sylvain; YUNFU, Luo; WO2012/8999; (2012); A2;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Reference of 13036-57-2 ,Some common heterocyclic compound, 13036-57-2, molecular formula is C5H5ClN2, 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.

A solution of Lithium bis(trimethylsilyl)amide (1M in THF, 4.05mL, 4.05mmol) was added to a cooled (0C) solution of Methyl 3-((2,6-difluorophenyl)sulfonamido)-2- fluorobenzoate (400mg, 1.16mmol) in THF (3mL). After lOmin of stirring, a solution of 2-chloro-4-methylpyrimidine (178mg, 1.39mmol) in THF (2mL) was slowly added and the reaction mixture was allowed to warm to room temperature for 2h. Aqueous saturated ammonium chloride was added to the medium. The aqueous layer was extracted with EtOAc (2 times). Combined organics were washed with brine, dried over sodium sulphate, filtered and the filtrate was concentrated under reduced pressure. Trituration of the brown solid in DCM/cHex afforded title compound (420mg, 82%) as a mixture of ketone and enol. LC/MS (ES+): 442.0-444.0 (M+l).

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route,13036-57-2, its application will become more common.

Reference:
Patent; CELLIPSE; PRUDENT, Renaud; PAUBLANT, Fabrice; (74 pag.)WO2018/55097; (2018); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Reference of 13036-57-2 ,Some common heterocyclic compound, 13036-57-2, molecular formula is C5H5ClN2, 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.

A solution of Lithium bis(trimethylsilyl)amide (1M in THF, 4.05mL, 4.05mmol) was added to a cooled (0C) solution of Methyl 3-((2,6-difluorophenyl)sulfonamido)-2- fluorobenzoate (400mg, 1.16mmol) in THF (3mL). After lOmin of stirring, a solution of 2-chloro-4-methylpyrimidine (178mg, 1.39mmol) in THF (2mL) was slowly added and the reaction mixture was allowed to warm to room temperature for 2h. Aqueous saturated ammonium chloride was added to the medium. The aqueous layer was extracted with EtOAc (2 times). Combined organics were washed with brine, dried over sodium sulphate, filtered and the filtrate was concentrated under reduced pressure. Trituration of the brown solid in DCM/cHex afforded title compound (420mg, 82%) as a mixture of ketone and enol. LC/MS (ES+): 442.0-444.0 (M+l).

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route,13036-57-2, its application will become more common.

Reference:
Patent; CELLIPSE; PRUDENT, Renaud; PAUBLANT, Fabrice; (74 pag.)WO2018/55097; (2018); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Electric Literature of 13036-57-2, 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. 13036-57-2, name is 2-Chloro-4-methylpyrimidine, molecular formula is C5H5ClN2, 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.

General procedure: To a suspension of intermediate 15(1.04 g, 4.0 mmol) and 6-chloro-7H-purine (640.0 mg, 4.0 mmol) inEtOH (20.0 ml) Et3N (80.1 mg, 0.62 mmol) was added. The reactionmixture was heated to 90 C and stirred for 24 h. The resultingmixture was concentrated under reduced pressure and purified by column chromatography using a solvent gradient of 1-5% MeOH inDCM to give the compound 4k as a white solid. Yield: 970.0 mg,64.2%.

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 13036-57-2, 2-Chloro-4-methylpyrimidine.

Reference:
Article; Yu, Jiang; Zhou, Peiting; Hu, Mingxing; Yang, Liuqing; Yan, Guoyi; Xu, Ruixue; Deng, Yufang; Li, Xinghai; Chen, Yuanwei; European Journal of Medicinal Chemistry; vol. 182; (2019);,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Application of 13036-57-2, 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. 13036-57-2, name is 2-Chloro-4-methylpyrimidine, molecular formula is C5H5ClN2, 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.

General procedure: 2-Chloro-4,6-disubstituted-pyrimidines 17 were prepared bythe reaction of the diazoniumsalts of 4,6-disubstituted-pyrimidin-2-amines (16) with concentrated hydrochloric acid and ZnCl2 [35].Compound 18 was prepared according to literature [32], and themethod was improved. To a stirred solution of piperazine(45 mmol) and K2CO3 (16.5 mmol) in water (20 mL) was addedchloropyrimidine 17 (18 mmol) in small portions at 50e65 C. Themixture was stirred for 1 h at 60e65 C and cooled to 35 C. Theyellowsolid, 1,4-bispyrimidylpiperazine byproduct, was filtered off,and the filtrate was then extracted three times with chloroform,dried over Na2SO4, and evaporated in vacuum to give compound 18,which was used for the following reactions without further purification.

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 13036-57-2, 2-Chloro-4-methylpyrimidine.

Reference:
Article; Wang, Bao-Lei; Shi, Yan-Xia; Zhang, Shu-Jun; Ma, Yi; Wang, Hong-Xue; Zhang, Li-Yuan; Wei, Wei; Liu, Xing-Hai; Li, Yong-Hong; Li, Zheng-Ming; Li, Bao-Ju; European Journal of Medicinal Chemistry; vol. 117; (2016); p. 167 – 178;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

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. 13036-57-2, name is 2-Chloro-4-methylpyrimidine. A new synthetic method of this compound is introduced below., Quality Control of 2-Chloro-4-methylpyrimidine

Step B: N-{5-[(2-Chloro-4-pyrimidinyl)acetyl]-2-fluorophenyl}-2,6-difluorobenzenesulfonamide; To a solution of ethyl 3-{[(2,6-difluorophenyl)sulfonyl]amino}-4-fluorobenzoate (5.0 g, 13.9 mmol) in THF (100 mL) was added 1.0 M LiHMDS in THF (34.8 mL, 34.8 mmol). A solution of 2-chloro-4-methylpyrimidine (2.7 g, 20.9 mmol) in THF (100 mL) was added dropwise over 30 min, and the reaction was stirred overnight at rt. The reaction was quenched with 10 mL of MeOH and concentrated, and the residue was partitioned between EtOAc and saturated aqueous NaHCO3. The aqueous layer was extracted with 2×50 mL EtOAc, and the combined organic layers were passed through a pad of silica gel, concentrated, and adsorbed onto silica gel. The crude product was purified via flash chromatography with 0-100% EtOAc/DCM to generate 3.07 g (50% yield) of the title compound as a white powder. MS (ESI): 443 (M+H).

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, 13036-57-2, 2-Chloro-4-methylpyrimidine.

Reference:
Patent; Adams, Jerry Leroy; Dickerson, Scott Howard; Johnson, Neil W.; Kuntz, Kevin; Petrov, Kimberly; Ralph, Jeffrey M.; Rheault, Tara Renae; Schaaf, Gregory; Stellwagen, John; Tian, Xinrong; Uehling, David Edward; Waterson, Alex Gregory; Wilson, Brian; US2009/298815; (2009); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

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. 13036-57-2, name is 2-Chloro-4-methylpyrimidine, molecular formula is C5H5ClN2, 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. Application In Synthesis of 2-Chloro-4-methylpyrimidine

Step B: lambda/-{3-[(2-Chloro-4-pyrimidinyl)acetyl]phenyl}-/V- methylcyclohexanecarboxamide; To a solution containing 4.5 g (16.3 mmol) of ethyl 3-[(cyclohexyicarbonyl)- aminojbenzoate was added 10.2 ml. (16.3 mmol) of a 1.6 M solution of 4-methyl-2- chloropyrimidine in THF. The solution was cooled to 0 0C and 49 ml_ (49.0 mmol) of a 1.0 M solution of LHMDS in THF was added slowly. The reaction mixture was allowed to stir at 0 0C for 2 h, at which time an additional 5 ml_ (8.0 mmol) of a 1.6 M solution of 4-methyl-2-chloropyrimidine in THF and an additional 10 mL (10 mmol) of a 1.0 M solution of LHMDS in THF was added. The reaction mixture was allowed to warm to rt and stirred for an additional 12 h, then quenched by the addition of aqueous NH4CI and extracted with DCM. The combined organic layers were dried over MgSO4 and filtered, and the solvent was removed under reduced pressure. The residue was subjected to silica gel chromatography, eluting with an EtOAchexane mixture, to give 2.96 g (51%) of the title compound of Step B as an off white solid: 1H-NMR (CDCI3, 400 MHz) delta 13.73 (s, 1 H), 8.39 (d, 1 H, J = 5.5 Hz), 8.1 (s, 1 H), 7.59 (d, 1 H, J = 7.8 Hz)1 7.40 (t, 1 H, J = 7.9 Hz), 7.00 (s, 1 H), 6.91 (d, 1 H, J = 5.5 Hz), 6.09 (s, 1 H), 2.23 – 2.29 (m, 1 H), 1.95 – 2.00 (m, 2 H), 1.85 – 1.88 (m, 2 H), 1.73 – 1.75 (m, 1 H), 1.53 – 1.61 (m, 2 H), and 1.25 – 1.43 (m, 4 H); ESIMS: 358.20 (M+H+).

With the rapid development of chemical substances, we look forward to future research findings about 13036-57-2.

Reference:
Patent; SMITHKLINE BEECHAM CORPORATION; WO2009/76140; (2009); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Related Products of 13036-57-2, 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. 13036-57-2, name is 2-Chloro-4-methylpyrimidine, molecular formula is C5H5ClN2, 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.

Example 1, Step E1e 1f[0067] A mixture of compound 1e (68 mg, 0.2 mmol), 2-chloro-4-methylpyrimidine (31 mg, 0.24 mmol), Pd2(dba)3 (22.85 mg, 0.025 mmol), Xant-phos (28.9 mg, 0.05 mmol) and Cs2C03 (98 mg, 0.3 mmol) in dioxane (3 mL) was heated to reflux under N2 for 4 hrs. After cooling to r.t., the mixture was diluted with H20 (10 mL) and extracted with EtOAc (10 ml_x2), the combined organic layers were dried over Na2S04, concentrated in vacuo and purified by preparative TLC (EtOAc: PE = 2:1 ) to give product 1f (62.4 mg, 75%).[0068] This compound was characterized by mass spectroscopy (MS) in accordance with the procedure described herein. Results of MS indicated MS (ESI): m/z 433(M+H)+

According to the analysis of related databases, 13036-57-2, the application of this compound in the production field has become more and more popular.

Reference:
Patent; MERCK SHARP & DOHME CORP.; ADDEX PHARMA SA; LIVERTON, Nigel, J.; BOLEA, Christelle; CELANIRE, Sylvain; LUO, Yunfu; WO2012/6760; (2012); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Electric Literature of 13036-57-2, 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. 13036-57-2, name is 2-Chloro-4-methylpyrimidine. A new synthetic method of this compound is introduced below.

A 1.3 M lithium hexadisilazide-THF solution (179 mL) was added dropwise to a mixture containing methyl nicotinate (16.0 g), 2-chloro-4-methylpyrimidine (15.0 g)and THF (179 mL) under a nitrogen atmosphere while maintaining the internal temperature at about -30 C., and the mixture was stirred at -30 C. for 30 minutes, and then at room temperature for 1 hour. A saturated ammonium chloride aqueous solution was added to the reaction mixture, and extraction was performed using ethyl acetate. Then, an organic layer was dried with anhydrous sodium sulfate and concentrated under a reduced pressure. The obtained residue was purified through silica gel column chromatography (elution solvent: ethyl acetate), and then solidified in methyl tert-butyl ether, and thereby 2-(2-chloropyrimidin-4-yl)-1-(pyridin-3-yl)ethan-1-one (19.2 g)as an orange solid was obtained.

At the same time, in my other blogs, there are other synthetic methods of this type of compound,13036-57-2, 2-Chloro-4-methylpyrimidine, and friends who are interested can also refer to it.

Reference:
Patent; RIKEN; THE UNIVERSITY OF TOKYO; HASHIZUME, Yoshinobu; SEKIMATA, Katsuhiko; KUBOTA, Hirokazu; YAMAMOTO, Hirofumi; KODA, Yasuko; KOYAMA, Hiroo; TAGURI, Tomonori; SATO, Tomohiro; TANAKA, Akiko; MIYAZONO, Kohei; (156 pag.)US2019/337926; (2019); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Related Products of 13036-57-2 ,Some common heterocyclic compound, 13036-57-2, molecular formula is C5H5ClN2, 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 20L reaction bottle into the 100g/3L of the potassium hydroxide aqueous solution, then adding 250g of compound B, 650g potassium permanganate of hot water after dissolving dropping to the bottle, about water 15L. Temperature control is dropped in the 5 – 15 C, after the clip 20 C reaction 24h, TLC monitoring (raw material reaction not end). After the reaction is added to the reactant 120g of sodium bisulfite, stirring 15min, reaction fluid settlement for a period of time is colorless, if they are not re-added sodium bisulfite. Adding 4L dichloromethane extraction 3 time separation and recovery of the unreacted raw materials (for recovering raw material 40g). Then added to the aqueous phase in the diatomaceous earth filter, the filtrate concentrated hydrochloric acid to adjust the pH=2 – 3, the stirring 30min, concentrated to dry.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route,13036-57-2, its application will become more common.

Reference:
Patent; Anhui CCID Biotechnology Co., Ltd.; Wei, Xiaoyan; He, Ying; Wei, Wei; Yu, Lideng; (6 pag.)CN106083734; (2016); A;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia