9/28 News A new synthetic route of 1122-71-0

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. 1122-71-0, 6-Methyl-2-pyridinemethanol, other downstream synthetic routes, hurry up and to see.

Reference of 1122-71-0 ,Some common heterocyclic compound, 1122-71-0, molecular formula is C7H9NO, 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 mixture of N3-methyl-N5-(( 15, 25)-2-methylcyclopropyl)-2-oxo- 1,2-dihydropyridine-3,5-dicarboxamide (42.8 mg, 0.17 mmol), (6-methylpyridin-2-yl)methanol (26.9 mg, 0.22 mmolcommercially available from, for example, Sigma-Aldrich) and 2- (tributylphosphoranylidene)acetonitrile (0.090 mL, 0.34 mmol; commercially available from, for example, TCI) in toluene (1 mL) in a sealed vial was heated at 100 C for 0.5 h in a microwave reactor. The volatiles were evaporated from the mixture under a stream of nitrogen and the residuewas redissolved in 3:1 methanol/DMSO (2 mL) and was purified by MDAP (2 x 1 mL injection, formic). The required fractions from both injections were combined, evaporated and dried in vacuo to give a dark brown oily residue. The residue was redissolved in 3:1 methanol/DMSO (1 mL) and was further purified by MDAP (1 x 1 mL injection, formic). The required fractions were combined, evaporated and dried in vacuo to give a pale yellow glass; N3-methyl-N5-((15,25)-2-methylcyclopropyl)-1-((6-methylpyridin-2-yl)methyl)-2-oxo- 1, 2-d ihydropyrid ine-3,5-d icarboxamide (42.2 mg, 0.12 mmol, 69 % yield).LCMS (2 mm formic) Rt = 0.63 mi m/z= 355 for [MH]

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. 1122-71-0, 6-Methyl-2-pyridinemethanol, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; GLAXOSMITHKLINE INTELLECTUAL PROPERTY (NO.2) LIMITED; ATKINSON, Stephen John; AYLOTT, Helen Elizabeth; COOPER, Anthony William James; DEMONT, Emmanuel Hubert; HARRISON, Lee Andrew; HAYHOW, Thomas George Christopher; LINDON, Matthew J; PRESTON, Alexander G; SEAL, Jonathan Thomas; WALL, Ian David; WATSON, Robert J; WOOLVEN, James Michael; (308 pag.)WO2017/37116; (2017); A1;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

The origin of a common compound about 1122-71-0

Statistics shows that 1122-71-0 is playing an increasingly important role. we look forward to future research findings about 6-Methyl-2-pyridinemethanol.

Related Products of 1122-71-0, 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.1122-71-0, name is 6-Methyl-2-pyridinemethanol, molecular formula is C7H9NO, molecular weight is 123.15, as common compound, the synthetic route is as follows.

A solution of 0.45 g (3.65 mmol, 1.0 eq.) of of (6-methylpyridin-2-yl)methanol in 8 mL of anhydrous acetonitrile was added to a rapidly stirred mixture of 0.89 g mmol (5.48 mmol, 1.5 eq.) of 1,1?-carbonyldiimidazole in 1.5 mL of anhydrous acetonitrile. The reaction mixture was stirred for 40 minutes, and the volatiles were then removed in vacuo. The residue was redissolved in 30 mL of ethyl acetate and washed with 30 mL of water. The layers wereseparated and the organic phase was washed with 2 x 20 mL of sat. sodium bicarbonate solution, followed by 20 mL of brine. The organic phase was dried (Na2SO4), filtered and evaporated to dryness. The residue was dried under high vacuum to provide 0.65 g (3.0 mmol, 82%) of (6-methylpyridin-2-yl)methyl imidazole-1-carboxylate (0.65g, 82% yield). ?H NMR (300 MHz, CDC13) oe: 8.20 (t, 1H), 7.65 (t, 1H), 7.50-7.45 (m, 1H), 7.23 (d, 1H), 7.17(d, 1H), 7.09 (m, 1H), 5.49 (s, 2H), 2.59 (s, 3H).

Statistics shows that 1122-71-0 is playing an increasingly important role. we look forward to future research findings about 6-Methyl-2-pyridinemethanol.

Reference:
Patent; ARBUTUS BIOPHARMA, INC.; COLE, Andrew G.; KULTGEN, Steven; (203 pag.)WO2018/52967; (2018); A1;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

The important role of 6-Methyl-2-pyridinemethanol

The synthetic route of 1122-71-0 has been constantly updated, and we look forward to future research findings.

Adding a certain compound to certain chemical reactions, such as: 1122-71-0, 6-Methyl-2-pyridinemethanol, 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, Formula: C7H9NO, blongs to pyridine-derivatives compound. Formula: C7H9NO

Diphenylphosphoryl azide (8.02 g, 29.16 mmol) was added to a cooled (0 C.) solution of 6-methyl2-pyridinemethanol (3.00 g, 24.30 mmol) in ether. The resulting mixture was stirred for a few minutes and DBU (4.07 g, 26.73 mmol) was added slowly. The reaction mixture was stirred for 14 hours, decanted into a clean flask and the residue was washed with more ether. The combined organic phases were concentrated to give the crude title azido compound. The crude azide was dissolved in THF:H2O (3:1) and Ph3P (5.77 g, 22.00 mmol) was added, followed by KOH (1.23 g, 22.00 mmol). The reaction mixture was stirred for 14 hours, and then was acidified with concentrated HCl. The resulting solution was washed with Et2O and the aqueous layer was basified with NH3 and extracted with Et2O (3×200 mL). The combined organic extracts were washed with H2O (3×100 mL) and brine (1×100 mL), then dried over MgSO4 and concentrated to give the desired substituted benzylamine. Spectroscopic data: 1H NMR (300 MHz, Acetone-d6) delta 2.52 (s, 3H) 3.91 (s, 2H) 7.04 (d, J=7.61 Hz, 1H) 7.05 (d, J=7.90 Hz, 1H) 7.51 (t, J=7.82 Hz, 1H).

The synthetic route of 1122-71-0 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Allerghan, Inc.; US2008/194650; (2008); A1;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

The important role of 1122-71-0

With the rapid development of chemical substances, we look forward to future research findings about 1122-71-0.

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 1122-71-0, name is 6-Methyl-2-pyridinemethanol. This compound has unique chemical properties. The synthetic route is as follows. category: pyridine-derivatives

A mixture of 6-methyl-2-pyridylmethanol (145 mg, 1.17 mmol) and sodium hydroxide (63 mg, 1.57 mmol) in benzene (15 mL) was heated to reflux for 3 hours with stirring under nitrogen atmosphere and then cooled to 25 C. followed by the addition of compound 133 (0.30 g, 0.785 mmol) at same temperature. The mixture was heated to reflux for 12 hours, concentrated under vacuum and diluted with water (20 mL). The mixture was then extracted with EtOAc (2*20 mL). The combined organic layers were washed with water (2*10 mL), dried over anhydrous sodium sulphate and concentrated under vacuum. The residue thus obtained was purified by column chromatography (70-80% EtOAc-Hexane) to afford the title compound E30 as a hygroscopic solid (257 mg, 70%). HPLC: Inertsil ODS 3V (250*4.6 mm) 5 microns [solvent A=0.01 M KH2PO4 (pH 7.0); solvent B=CH3CN], Gradient elution program: T/% B=0/60, 10/60, 25/80, 40/80, 45/60, 50/60; 268 nm, Rt 23.93 min, 99.14% purity; MS (CI): m/z 469 (M+, 100).

With the rapid development of chemical substances, we look forward to future research findings about 1122-71-0.

Reference:
Patent; Timmer, Richard T.; Alexander, Christopher W.; Pillarisetti, Sivaram; Saxena, Uday; Yeleswarapu, Koteswar Rao; Pal, Manojit; Reddy, Jangalgar Tirupathy; Krishma Reddy, Velagala Venkata Rama Murali; Sesila Sridevi, Bhatlapenumarthy; Kumar, Potlapally Rajender; Reddy, Gaddam Om; US2004/209882; (2004); A1;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

Analyzing the synthesis route of 1122-71-0

With the rapid development of chemical substances, we look forward to future research findings about 1122-71-0.

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 1122-71-0, name is 6-Methyl-2-pyridinemethanol. This compound has unique chemical properties. The synthetic route is as follows. Safety of 6-Methyl-2-pyridinemethanol

0411-1 Triethylamine (1 mL) was added to a solution of (6-methylpyridin-2-yl)methanol (302 mg) in tetrahydrofuran (5.8 mL) at room temperature, and methanesulfonyl chloride (0.28 mL) was added thereto at a temperature of from 0 C. to 5 C., followed by stirring at room temperature for 2 hours. The insolubles were filtered off using celite, and the solvent was distilled off under reduced pressure, thereby obtaining (6-methylpyridin-2-yl)methyl methanesulfonate (555 mg) as brown oily substance. MS m/z (M+H): 202.

With the rapid development of chemical substances, we look forward to future research findings about 1122-71-0.

Reference:
Patent; FUJIFILM Corporation; FURUYAMA, Hidetomo; KURIHARA, Hideki; TERAO, Takahiro; NAKAGAWA, Daisuke; TANABE, Shintaro; KATO, Takayuki; YAMAMOTO, Masahiko; SEKINE, Shinichiro; MASHIKO, Tomoyuki; INUKI, Shinsuke; UEDA, Satoshi; US2015/322063; (2015); A1;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

The important role of 1122-71-0

According to the analysis of related databases, 1122-71-0, the application of this compound in the production field has become more and more popular.

Application of 1122-71-0, 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 1122-71-0, name is 6-Methyl-2-pyridinemethanol. This compound has unique chemical properties. The synthetic route is as follows.

Intermediate 11 : 2-(bromomethyl)-6-methylpyridi; (6-methyl-2-pyridinyl)methanol (ALDRICH, 300 mg, 2.436 mmol) were dissolved in 10 mL of anhydrous THF. Phosphorous tribromide (ALDRICH, 0.252 mL, 2.68 mmol) was added. Reaction mixture was stirred at room temperature overnight. Solvent was evaporated andresidue was purified by silica column chromatography using hexane:EtOAc as eluents to give a white solid. This solid was partitioned between EtOAc and distilled water (basified with NH3 (32%, aqueous). Organic layer was dried with MgS04 (anh). Solvent was evaporated to obtain the title compound (152 mg, 0.817 mmol, 33.5% yield). 1 H NMR (300 MHz, DMSO-cfe) delta ppm: 7.68 (t, 1 H), 7.33 (d, 1 H), 7.17 (d, 1 H), 4.62 (s, 2H), 2.44 (s, 3H). [ES+MS] m/z 186 (M).

According to the analysis of related databases, 1122-71-0, the application of this compound in the production field has become more and more popular.

Reference:
Patent; GLAXO GROUP LIMITED; CASTRO PICHEL, Julia; FERNANDEZ MENENDEZ, Raquel; FERNANDEZ VELANDO, Esther Pilar; GONZALEZ DEL VALLE, Silvia; MALLO-RUBIO, Araceli; WO2012/49161; (2012); A1;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

Extended knowledge of 6-Methyl-2-pyridinemethanol

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route,1122-71-0, its application will become more common.

Reference of 1122-71-0, 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. 1122-71-0, name is 6-Methyl-2-pyridinemethanol. A new synthetic method of this compound is introduced below.

Example 45 2-[(6-Methylpyridin-2-yl)methoxy]-4-(2-methylpyrimi din-5-yl)-6,7-dihydro-5H-cyclopenta[b]pyridine hydrochloride To 2-chloro-4-(2-methylpyrimidin-5-yl)-6,7-dihydro-5H-cyclopenta[b]pyridine (100 mg), (6-methylpyridin-2-yl)methanol (52 mg), t-Bu-X-Phos (55 mg), and cesium carbonate (398 mg) and Pd2 (dba)3¡¤CHCl3 (34 mg) was added toluene (2.2 mL), and the mixture was degassed, then stirred under Ar atmosphere at 100C for 6 hours. After the reaction mixture was allowed to return to room temperature, diluted with ethyl acetate, filtered through Celite, and the filtrate was evaporated under reduced pressure. The resulting residue was purified by silica gel column chromatography to give 2-[(6-methylpyridin-2-yl)methoxy]-4-(2-methylpyrimi din-5-yl)-6,7-dihydro-5H-cyclopenta[b]pyridine (49 mg). Theresulting compound was dissolved in ethyl acetate (2 mL) and 1N HCl/Et2O solution (0.147 mL) was added, then themixture was stirred under ice water cooling for 3 hours. The resulting precipitate was collected by filtration to give thetitle compound (43 mg) as a white powder.[MS (ESI) m/z 333.4 (M+H)+]

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route,1122-71-0, its application will become more common.

Reference:
Patent; Nippon Shinyaku Co., Ltd.; TSUJI, Takashi; SHIRAI, Masaaki; EP2891656; (2015); A1;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

A new synthetic route of Product Details of 1122-71-0

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, 1122-71-0, 6-Methyl-2-pyridinemethanol.

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. 1122-71-0, name is 6-Methyl-2-pyridinemethanol. A new synthetic method of this compound is introduced below., Product Details of 1122-71-0

EXAMPLE 5 3.00 g (0.0244 mol) of 6-methyl-2-pyridinemethanol, 0.076. g of PIPO obtained in Reference Example 1 (2,2,6,6-tetramethylpiperidine-1-oxyl-4-yl group: 0.000244 mol), 6.0 g of toluene and 3.0 g of a 5% by weight aqueous solution of sodium hydrogen carbonate (sodium hydrogen carbonate: 0.0018 mol) were placed in a 100 ml reaction vessel. Then, with maintaining the temperature at 15 to 20 C., reaction was conducted while 13.5 g of a 13.4% by weight aqueous solution of sodium hypochlorite (sodium hypochlorite: 0.0244 mol) was dropped over 4 hours by a microsyringe pump under stirring. Stirring was conducted for another 0.5 hour to complete the reaction. The reaction mixture after the reaction was completed was separated into the organic phase and the water phase and each phase was analyzed by liquid chromatography. By the reaction, 6-methyl-2-pyridinecarbaldehyde was produced with yield of 94.9% (based on 6-methyl-2-pyridinemethanol). As a by-product, 3.1% (based on 6-methyl-2-pyridinemethanol) of 6-methylpicolinic acid was produced.

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, 1122-71-0, 6-Methyl-2-pyridinemethanol.

Reference:
Patent; Shiomi, Yasuhiro; Uno, Osamu; Ohta, Akio; Sunakami, Takeshi; US2005/124807; (2005); A1;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem