Category: 5470-70-2

Application of 5470-70-2, 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 5470-70-2 as follows.

NBS (13.0 g, 0.0728 mol) and BPO (1.6 g, 0.0066 mol) were added to a solution of methyl 6-methylnicotinate (10 g, 0.0662 moles) in CCl4 (100 ml) at room temperature TheThe reaction mixture was heated to 75 & lt; 0 & gt; C and stirred for 12 hours. After cooling, water (80 ml) was added,And extracted with ethyl acetate (200 ml x 2). The organic layer was sequentially saturated with sodium thiosulfate (80 ml)Aqueous solution, dried over anhydrous sodium sulfate and concentrated under reduced pressure. The residue was purified by silica gel column (eluent: petroleum ether / ethyl acetate = 20/1) to give methyl 6- (bromomethyl) nicotinate (5.2 g, yield 34%) as a brown solid.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route,5470-70-2, its application will become more common.

Reference:
Patent; CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD.; DING, ZHAO ZHONG; WU, HAO; SUN, FEI; WU, LI FANG; YANG, LING; (97 pag.)TWI558709; (2016); B;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

Electric Literature of 5470-70-2, 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 5470-70-2, name is Methyl 6-methylnicotinate. This compound has unique chemical properties. The synthetic route is as follows.

Production Example 1-1: Methyl 6-bromomethylnicotinate To a solution of methyl 6-methylnicotinate (50g, 331mmol) in carbon tetrachloride (625mL), was added N-bromosuccinimide (59g, 331mmol). Further 1.0g of benzoyl peroxide was added, the mixture was reacted at a temperature from 40 to 50C for 24 hours with irradiation of light from a projector. After the reaction mixture was cooled, the precipitated crystals were separated by filtration. The filtrate was washed with an aqueous solution containing sodium hydrogencarbonate, and concentrated. The residue obtained by the concentration was purified by silica gel column chromatography, thereby to yield 37g of the target compound. 1H-NMR (CDCl3, 300MHz): delta 3.96(3H, s, OCH3), 4.58(2H, s, CH2Br), 7.54(1H, d, Py), 8.30(1H, dd, Py), 9.17(1H, d, Py)

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 5470-70-2, Methyl 6-methylnicotinate.

Reference:
Patent; KABUSHIKI KAISHA NARD KENKYUSHO; EP1455189; (2004); A1;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

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 5470-70-2, name is Methyl 6-methylnicotinate. This compound has unique chemical properties. The synthetic route is as follows. COA of Formula: C8H9NO2

a) 6-methyl-3-pyridylcarbinol Following the procedure of Example 2(b), except substituting methyl 6-methylnicotinate for N-cyclopropylmethyl isobutyramide, the title compound was prepared as a yellow oil (4.32 g, 83percent). MS (ESI): 123.8 (M+H)+.

With the rapid development of chemical substances, we look forward to future research findings about 5470-70-2.

Reference:
Patent; Halbert, Stacie Marie; Michaud, Evelyne; Thompson, Scott Kevin; Veber, Daniel Frank; US2002/49316; (2002); A1;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

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. 5470-70-2, name is Methyl 6-methylnicotinate, molecular formula is C8H9NO2, 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. Product Details of 5470-70-2

250mL single-neck flask was added methyl 6-methylpyridine-3-carboxylate (10g, 66.15mmol) and 1,4-dioxane (100mL), was added under stirring selenium dioxide (14.7g, 132mmol), nitrogen heated to 85 under the protection of the reaction overnight. Cooling to room temperature, filtered, and the solvent was removed by rotary evaporation, the crude product was purified by silica gel column chromatography (petroleum ether / ethyl acetate (v / v) = 1/1), give a pale yellow solid 1.6g, Yield: 15percent.

With the rapid development of chemical substances, we look forward to future research findings about 5470-70-2.

Reference:
Patent; Guangdong East Sunshine Pharmaceutical Co., Ltd.; Wang, Xiaojun; Yang, Xinye; Zhou, Pingjian; Yang, Chuanwen; Lin, Jihua; Xiong, Shaohui; Zhang, Yingjun; Xiao, Ying; Wang, Hui; Cao, Shengtian; Wu, Fangyuan; Ouyang, Luo; (74 pag.)CN105524053; (2016); A;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

Related Products of 5470-70-2, 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.5470-70-2, name is Methyl 6-methylnicotinate, molecular formula is C8H9NO2, molecular weight is 151.16, as common compound, the synthetic route is as follows.

[01 10j To a solution of methyl 6-methylnicotinate (0.5 g, 3.31 mmol) in carbon tetrachloride (15 mL) was added N-bromosuccinimide (0.647 g, 3.63 mmol) followed by azobisisobutyronitrile (0.054 g, 0.33 mmol). The reaction mixture was heated at 75 C for 18 h. The reaction mixture was diluted with dichloromethane, washed with water, dried over anhydrous sodium sulfate, filtered and concentrated. The crude was purified by silica gel column chromatography, using 50% ethyl acetate in hexane to afford methyl 6- (bromomethyl)nicotinate (0.28 g, 37% yield) as a brownish solid. Calculated M+H: 229.97; Found M+H: 230.01.

Statistics shows that 5470-70-2 is playing an increasingly important role. we look forward to future research findings about Methyl 6-methylnicotinate.

Reference:
Patent; MNEMOSYNE PHARMACEUTICALS, INC.; ANDERSON, David R.; VOLKMANN, Robert A.; WO2015/48503; (2015); A2;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

Reference of 5470-70-2 ,Some common heterocyclic compound, 5470-70-2, molecular formula is C8H9NO2, 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.

Iodine (33.5g, 0.13mmol) and trifluoroacetic acid (35.3ml, 0.4mmol) were added to a solution of methyl 6-carboxylate-1-picoline (20g, 0.13mol) in N,N-dimethylsulfoxide (200ml) at 0°C and the mixture was stirred for 1 hourand then heated to 140°C and stirred for 2.5 hours. After being cooled to 0°C, the reaction was quenched with saturatedsodium thiosulfate solution (30ml) and stirred for 30 minutes. The aqueous layer was extracted with ethyl acetate (150ml3 3) and the organic layers were combined and washed with brine (50ml 3 2), dried over anhydrous sodium sulfate,filtered, concentrated in vacuo and the residue was purified by flash silica gel column chromatography to give the titlecompound (8g, yield 37percent). 1H NMR (400MHz, CHLOROFORM-d) ppm :10.14 (s, 1H), 9.36 (s, 1H), 8.47 (dd, J=1.3, 8.0Hz, 1H), 8.03 (d, J=8.0 Hz, 1H), 4.05 – 3.94 (s, 3H).

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route,5470-70-2, its application will become more common.

Reference:
Patent; Harbin Zhenbao Pharmaceutical Co., Ltd.; Medshine Discovery Inc.; CHEN, Shuhui; CHEN, Zhengxia; DAI, Meibi; XIE, Cheng; LI, Peng; ZHANG, Yang; LIANG, Guibai; WANG, Qiang; LIAO, Jiangpeng; SUN, Fei; HU, Guoping; LI, Jian; (166 pag.)EP3333157; (2018); A1;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

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 5470-70-2, name is Methyl 6-methylnicotinate. This compound has unique chemical properties. The synthetic route is as follows. category: pyridine-derivatives

Step 1: Intermediate 31-b [0181] To a solution of methyl 6-methylnicotinate 31-a (20.10 g, 133 mmol) in THF (90 ml) cooled to 0° C. was added drop wise a 1.0 M solution of LiAlH4 in THF (100 ml, 100 mmol) and the reaction was then stirred at 0° C. for 1 hour. Water (3.8 ml) was slowly added, followed by 15percent NaOH (3.5 ml) and water (11.4 ml) and the mixture was stirred at room temperature for 1 hour. The reaction was filtered over celite and volatiles were removed in vacuo to provide intermediate 31-b as a yellow oil.

With the rapid development of chemical substances, we look forward to future research findings about 5470-70-2.

Reference:
Patent; Pharmascience, Inc.; Laurent, Alain; Rose, Yannick; Jaquith, James B.; US2015/191473; (2015); A1;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

Application of 5470-70-2, 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. 5470-70-2, name is Methyl 6-methylnicotinate. A new synthetic method of this compound is introduced below.

0.471 g (1.0 equivalent) of N-bromosuccinimide and 64 mg (0.1 equivalent) of benzoyl peroxide are added to a solution of 0.4 g of the product obtained in the preceding Stage 1 in 15 ml of carbon tetrachloride. The solution is brought to reflux for 6 hours, then filtered and evaporated under reduced pressure. The residue is purified by chromatography on silica gel (dichloromethane/ethyl acetate: 95/5) to produce 0.262 g of the expected product. [ Yield: 43% MS: MH+ 231

At the same time, in my other blogs, there are other synthetic methods of this type of compound,5470-70-2, Methyl 6-methylnicotinate, and friends who are interested can also refer to it.

Reference:
Patent; Dublanchet, Anne-Claude; Compere, Delphine; Cluzeau, Philippe; Blais, Stephane; Denis, Alexis; Ducrot, Pierre; Courte, Karine; Descamps, Sophie; US2004/72871; (2004); A1;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

Synthetic Route of 5470-70-2, Adding some certain compound to certain chemical reactions, such as: 5470-70-2, name is Methyl 6-methylnicotinate,molecular formula is C8H9NO2, 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 5470-70-2.

A solution of methyl 6-methylnicotinate (0.5 g, 3.3 mmol) in THF (16 mL) at 0¡ã C. was treated dropwise with lithium aluminum hydride in THF (6.6 mL, 1 M), stirred at 0¡ã C. for 1.5 hours, treated with ethyl acetate (3 mL), stirred at 25¡ã C. The reaction was partitioned between ethyl acetate and saturated NaHCO3, and the organic phase was washed with brine and dried over MgSO4, filtered and concentrated. A solution of the residue (0.395 g) in dichloromethane (16 mL) was treated with MnO2 (2 g), stirred at 25¡ã C. for 68 hours, filtered through celite.(R). to give the title compound (0.326 g, 80percent yield), which was used without further purification.

According to the analysis of related databases, 5470-70-2, the application of this compound in the production field has become more and more popular.

Reference:
Patent; DeGoey, David A.; Flentge, Charles A.; Flosi, William J.; Grampovnik, David J.; Kempf, Dale J.; Klein, Larry L.; US2005/131017; (2005); A1;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

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.5470-70-2, name is Methyl 6-methylnicotinate, molecular formula is C8H9NO2, molecular weight is 151.16, as common compound, the synthetic route is as follows.Product Details of 5470-70-2

A solution of methyl 6-methylnicotinate (30 g, 198 mmol) in dry THF (150 mL) was added dropwise into a suspension of LiAlH4 (11 g, 289 mmol) in THF (200 mL) at 0 to – 5 ¡ãC. The grey suspension was stirred at RT for lh. The reaction mixture was cooled to -5 to 0 ¡ãC and water (11 mL) was added dropwise under nitrogen followed by slow addition of 15percent NaOH (11 mL) and water (33 mL). The reaction was warmed to RT and stirred for 30 min. at RT. The resulting suspension was filtered and the filtrate was concentrated under vacuum to give (6-methylpyridin-3-yl)methanol as a yellow oil (23 g).

At the same time, in my other blogs, there are other synthetic methods of this type of compound,5470-70-2, Methyl 6-methylnicotinate, and friends who are interested can also refer to it.

Reference:
Patent; MEDIVATION TECHNOLOGIES, INC.; CHAKRAVARTY, Sarvajit; HART, Barry, Patrick; JAIN, Rajendra, Parasmal; WO2011/103460; (2011); A1;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem