Category: 113583-35-0

Synthetic Route of 113583-35-0, 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 113583-35-0 as follows.

Example 3 Methyl 3-(2-thienyl)-3-fluoro-2-[(4,6-dimethoxypyrimidin-2-yl)oxy]butyrate 2.2 g (10 mmol) of methyl 3-(2-thienyl)-3-fluoro-2-hydroxybutyrate (Compound 1.1) are dissolved in 40 ml of dimethylformamide, and 0.3 g (12 mmol) of sodium hydride is added. The mixture is stirred for 1 hour, and 2.2 g (10 mmol) of 4,6-dimethoxy-2-methylsulfonylpyrimidine are then added. After the mixture has been stirred at room temperature for 24 hours, it is hydrolyzed using 10 ml of water, the pH is brought to 5 using acetic acid, and the solvent is distilled off under a high vacuum. The residue is taken up in ethyl acetate, washed with water and dried over sodium sulfate, and the solvent is distilled off. The residue is treated with 10 ml of methyl t-butyl ether and the precipitate formed filtered off with suction. After drying, 1.8 g of a white powder remain. Yield: 61% (diastereomer mixture 1:1).

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route,113583-35-0, its application will become more common.

Reference:
Patent; BASF Aktiengesellschaft; US5753594; (1998); A;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Electric Literature of 113583-35-0 ,Some common heterocyclic compound, 113583-35-0, molecular formula is C7H10N2O4S, 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.

At 40 to 45 C,2-[(Phenylamino)methyl]-1-azabenzene-3-ol (6.50 g, 32.46 mmol),4,6-dimethoxy-2-methylsulfonylpyrimidine (6.94 g, 31.81 mmol),Anhydrous potassium carbonate (11.22 g, 81.15 mmol)With anhydrous acetonitrile (100 mL)The mixture was stirred for 10 h,The reaction is over.The reaction mixture was filtered through a pad of celite.The filter cake was washed three times with a small amount of acetonitrile.The filtrate was concentrated to a pale yellow solid.The solid was isolated by flash chromatography eluting EtOAc EtOAcN-[2-(4,6-Dimethoxypyrimidinyloxy)-6-azabenzyl]phenylamine (1, 9.45 g, 86%)

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route,113583-35-0, its application will become more common.

Reference:
Patent; Chinese Academy Of Sciences Shanghai Organic Chemistry Institute; Lv Long; Yang Zhengmin; Tang Qinghong; Fu Qunmei; (22 pag.)CN104844575; (2018); B;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Adding a certain compound to certain chemical reactions, such as: 113583-35-0, 2-Methanesulfonyl-4,6-dimethoxypyrimidine, 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, name: 2-Methanesulfonyl-4,6-dimethoxypyrimidine, blongs to pyrimidines compound. name: 2-Methanesulfonyl-4,6-dimethoxypyrimidine

EXAMPLE 1 Preparation of 5-(4,6-dimethoxypyrimidin-2-yl)oxy-4-formyl-3-methylbenzothiophene (Compound No. 104) A mixture comprising 2.1 g of 4-formyl-5-hydroxy-3-methylbenzothiophene, 2.4 g of 4,6-dimethoxy-2-methylsulfonylpyrimidine and 1.8 g of potassium carbonate in 30 ml of N,N-dimethylformamide, was heated and stirred at 70 C. for 3 hours. The mixture was returned to room temperature, then poured into water and extracted with ethyl acetate. The organic layer was washed with water and then dried over anhydrous sodium sulfate. Then, it was concentrated under reduced pressure, and the oily substance thereby obtained was purified by silica gel column chromatography (n-hexane/ethyl acetate=10/1) to obtain 3.1 g (yield: 86%) of the desired compound.

At the same time, in my other blogs, there are other synthetic methods of this type of compound,113583-35-0, 2-Methanesulfonyl-4,6-dimethoxypyrimidine, and friends who are interested can also refer to it.

Reference:
Patent; Kumiai Chemical Industry Co., Ltd.; Ihara Chemical Industry Co., Ltd.; US5616537; (1997); A;,
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. 113583-35-0, name is 2-Methanesulfonyl-4,6-dimethoxypyrimidine, the common compound, a new synthetic route is introduced below. 113583-35-0

General procedure: For the synthesis of 6-22 to 6-33, intermediate 5 (4.0 mmol),intermediate 2 or 3 (2.66 mmol) and tetrabutyl ammonium bromide(0.3 mmol) were added to 50 mL 90% ethanol. After that the reaction continued for 15 h under reflux and every 2 h the pH value of the mixture was adjusted to >7 by adding saturated sodium bicarbonate solution. The crude product was further extracted three times by using sodium hydroxide solution and ethyl acetate.The aqueous layer was then adjusted by hydrochloric acid to a pH value of 3-4. The product was extracted by ethyl acetate and finally purified by flash column chromatography using dichloromethane/methanol (80:1) and the yields were in the range of 14%-35%.

Statistics shows that 113583-35-0 is playing an increasingly important role. we look forward to future research findings about 2-Methanesulfonyl-4,6-dimethoxypyrimidine.

Reference:
Article; Wu, Ren-Jun; Zhou, Kai-Xuan; Yang, Haijin; Song, Guo-Qing; Li, Yong-Hong; Fu, Jia-Xin; Zhang, Xiao; Yu, Shu-Jing; Wang, Li-Zhong; Xiong, Li-Xia; Niu, Cong-Wei; Song, Fu-Hang; Yang, Haitao; Wang, Jian-Guo; European Journal of Medicinal Chemistry; vol. 167; (2019); p. 472 – 484;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

113583-35-0, 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 113583-35-0, name is 2-Methanesulfonyl-4,6-dimethoxypyrimidine. This compound has unique chemical properties. The synthetic route is as follows.

This example is used to describe the pyrimidine salicylic acid compounds of the present invention and processes for their preparation.1 mmol of Compound A was dissolved in 30 mL of re-evaporated toluene, 2 mmol of potassium carbonate was added, reacted at 20 C for 2 hours, 4,6-dimethoxy-2-methylsulfonylpyrimidine (1 mmol) was added and reacted at 120C for 12 h. The solvent was distilled off under reduced pressure, and a small amount of water was added to completely dissolve the solid. The aqueous layer was washed with ether several times. The aqueous layer was acidified with concentrated hydrochloric acid to pH=1, extracted with dichloromethane, dried over anhydrous sodium sulfate, Acid compound A1. The yield of compound A1 from compound A was 78%

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 113583-35-0, 2-Methanesulfonyl-4,6-dimethoxypyrimidine.

Reference:
Patent; HUAZHONG NORMAL UNIVERSITY; YANG, GUANGFU; LIU, YUCHAO; CHEN, QIONG; CHEN, JIE; CUI, HAILAN; TANG, WEI; (17 pag.)CN104140397; (2016); B;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

113583-35-0, 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 113583-35-0, name is 2-Methanesulfonyl-4,6-dimethoxypyrimidine. This compound has unique chemical properties. The synthetic route is as follows.

(S)-methyl 2-hydrtoxy-3-methylbutanoate 2.62g (0.02 mol) and 4,6-dimethoxypyrimidine-2-yl methyl sulfone 4.36g (0.02 mol) were dissolved in DMF 100 ml, and K2CO3 3.3 g (1.2 eq) was added thereto. Then, the temperature was maintained at 95C while the mixture was stirred over night. The reacted solution was added to water 100 ml, extracted with diethyl ether, dried with MgSO4, and distilled under reduced pressure to obtain residue. Through purification with silica gel column chromatography, a colorless solid material 3.51g (65%) was obtained: 1H NMR (CDCl3); 1.01 (d, 6H), 2.97 (m, 1H), 3.67 (s, 3H), 3.73 (s, 6H), 4.51 (d, 1H), 6.13 (s, 1H).

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 113583-35-0, 2-Methanesulfonyl-4,6-dimethoxypyrimidine.

Reference:
Patent; SNU R&DB Foundation; Korea Research Institute Of Chemical Technology; EP2497768; (2012); A2;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

113583-35-0, 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 113583-35-0, name is 2-Methanesulfonyl-4,6-dimethoxypyrimidine. This compound has unique chemical properties. The synthetic route is as follows.

General procedure: For the synthesis of 6-22 to 6-33, intermediate 5 (4.0 mmol),intermediate 2 or 3 (2.66 mmol) and tetrabutyl ammonium bromide(0.3 mmol) were added to 50 mL 90% ethanol. After that the reaction continued for 15 h under reflux and every 2 h the pH value of the mixture was adjusted to >7 by adding saturated sodium bicarbonate solution. The crude product was further extracted three times by using sodium hydroxide solution and ethyl acetate.The aqueous layer was then adjusted by hydrochloric acid to a pH value of 3-4. The product was extracted by ethyl acetate and finally purified by flash column chromatography using dichloromethane/methanol (80:1) and the yields were in the range of 14%-35%.

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 113583-35-0, 2-Methanesulfonyl-4,6-dimethoxypyrimidine.

Reference:
Article; Wu, Ren-Jun; Zhou, Kai-Xuan; Yang, Haijin; Song, Guo-Qing; Li, Yong-Hong; Fu, Jia-Xin; Zhang, Xiao; Yu, Shu-Jing; Wang, Li-Zhong; Xiong, Li-Xia; Niu, Cong-Wei; Song, Fu-Hang; Yang, Haitao; Wang, Jian-Guo; European Journal of Medicinal Chemistry; vol. 167; (2019); p. 472 – 484;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

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.113583-35-0, name is 2-Methanesulfonyl-4,6-dimethoxypyrimidine, molecular formula is C7H10N2O4S, molecular weight is 218.23, as common compound, the synthetic route is as follows.113583-35-0

0.48 g (2.66 mmol) of 2-mercapto-5-fluorobenzoic acid was added.2-methanesulfonyl-4,6-dimethoxypyrimidine 0.87g(4.0 mmol), 0.1 g (0.3 mmol) of tetrabutylammonium bromide in 95% ethanol,The reaction was refluxed for 15 h, and the pH was measured every two hours.Adjust the pH with a saturated aqueous solution of NaHCO3,The pH of the reaction system was maintained at 7 or higher.Post-reaction treatment: spin the reaction system,Extracted three times with NaOH aqueous solution and ethyl acetate,Extract the water layer and adjust the pH to 3-4 with HCl.At this point the aqueous solution turned into a milky white suspension.The aqueous layer was then extracted with ethyl acetate.Add silica gel and spin over the column.The column was passed through a 80:1 (dichloromethane:methanol) eluent.The product was obtained in 0.15 g.The yield was 18%.

Statistics shows that 113583-35-0 is playing an increasingly important role. we look forward to future research findings about 2-Methanesulfonyl-4,6-dimethoxypyrimidine.

Reference:
Patent; Nankai University; Wang Jianguo; Song Guoqing; Wu Renjun; (25 pag.)CN109111405; (2019); A;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

113583-35-0, 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.113583-35-0, name is 2-Methanesulfonyl-4,6-dimethoxypyrimidine, molecular formula is C7H10N2O4S, molecular weight is 218.23, as common compound, the synthetic route is as follows.

EXAMPLE 25 Preparation of Benzyl 5-[(4,6-Dimethoxypyrimidin-2-yl)oxy]2-methylindol-4-carboxylate (Compound No. 664) A mixture comprising 2.2 g of benzyl 5-hydroxy-2-methylindol-4-carboxylate, 1.7 g of 4,6-dimethoxy-2-methylsulfonylpyrimidine and 1.3 g of potassium carbonate in 20 ml of N,N-dimethylformamide, was heated and stirred at a temperature of from 70 to 80 C. for two hours. The mixture was returned to room temperature, then poured into ice water and extracted with ethyl acetate. The organic layer was washed with water and then dried over anhydrous magnesium sulfate. The residue obtained by concentration under reduced pressure, was crystallized from isopropyl ether to obtain 2.8 g (yield: 85%) of the desired product. mp: 135-139 C.

Statistics shows that 113583-35-0 is playing an increasingly important role. we look forward to future research findings about 2-Methanesulfonyl-4,6-dimethoxypyrimidine.

Reference:
Patent; Kumiai Chemical Industry Co., Ltd.; Ihara Chemical Industry Co., Ltd.; US5616537; (1997); A;,
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. 113583-35-0, name is 2-Methanesulfonyl-4,6-dimethoxypyrimidine, molecular formula is C7H10N2O4S, 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. 113583-35-0

Example 3 Methyl 2-(4,6-dimethoxy-pyrimidin-2-yloxy)-3-methoxy-3,3-diphenylpropionate 2.86 g (10 mmol) of methyl 2-hydroxy-3-methoxy-3,3-diphenylpropionate were dissolved in 40 ml of dimethylformamide, and 0.3 g (12 mmol) of sodium hydride was added. The mixture was stirred for 1 h and then 2.2 g (10 mmol) of 4,6-dimethoxy-2-methylsulfonylpyrimidine were added. After stirring at room temperature for 24 h, cautious hydrolysis was carried out with 10 ml of water, the pH was adjusted to 5 with acetic acid, and the solvent was removed by distillation under high vacuum. The residue was taken up in 100 ml of ethyl acetate, washed with water and dried over magnesium sulfate, and the solvent was distilled out. The residue was mixed with 10 ml of ether, and the resulting precipitate was filtered off with suction. After drying, 3.48 g (82%) of a white powder remained. Melting point 81 C.

The chemical industry reduces the impact on the environment during synthesis 113583-35-0, I believe this compound will play a more active role in future production and life.

Reference:
Patent; BASF Aktiengesellschaft; US5932730; (1999); A;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia