Category: 52605-96-6

Adding a certain compound to certain chemical reactions, such as: 52605-96-6, 2-Chloro-3-methoxypyridine, 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: C6H6ClNO, blongs to pyridine-derivatives compound. Formula: C6H6ClNO

General procedure: To 2-chloropyridine (1.1 mmol) in ethanol (5.0 mL) was added hydrazine hydrate (2 mL) dropwise at room temperature. The mixture was refluxed until completion as monitored by TLC. The reaction mixture was cooled, ethanol was removed by evaporation. Then, the residue was partitioned between ethyl acetate and water. The combined organic phase was dried over anhydrous sodium sulfate and concentrated to give the product, which was used for the following cyclization reaction without purification.

The synthetic route of 52605-96-6 has been constantly updated, and we look forward to future research findings.

Reference:
Article; Liu, Lingfeng; Qiao, Chunhua; Shen, Bei; Xu, Yiwen; Tetrahedron Letters; (2020);,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

Electric Literature of 52605-96-6, 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 52605-96-6, name is 2-Chloro-3-methoxypyridine. This compound has unique chemical properties. The synthetic route is as follows.

To a stirred solution of 2-chloro-3- methoxypyridine (1.55 g, 10.8 mmol, prepared as described in WO2007/123995) in dry THF (30 mL), cooled to -78C, was added 2.5 M nBuLi in hexanes (4.75 mL, 1 1.9 mmol) After 1 hour, a solution of DMF (2.5 mL, 32.4 mmol) in THF (5 mL) was added. After a further 2.5 hours, a saturated aqueous ammonium chloride solution was added and the reaction mixture was allowed to warm to RT. The resultant biphasic mixture was separated and extracted twice with diethyl ether. The combined oraganic phase was washed with water and brine, dried (Na2S04), filtered, and concentrated in vacuo. The resultant residue was subjected to flash chromatography (Si02, gradient 20 to 25 % ethyl acetate in cyclohexane) to afford the title compound (1.42 g, 77%) as a white solid. 1H NMR (300 MHz, CDCI3): delta 10.44 (d, J = 0.8 Hz, 1H), 8.34 (dd, J = 4.9 and 0.8 Hz, 1 H), 7.60 (d, J = 4.9 Hz, 1 H), 4.08 (s, 3H). LCMS (Method A): RT = 2.84 min, [M+H]+ = 172/174.

According to the analysis of related databases, 52605-96-6, the application of this compound in the production field has become more and more popular.

Reference:
Patent; ALMAC DISCOVERY LIMITED; BELL, Mark Peter; O’DOWD, Colin Roderick; ZHANG, Lixin; TEVITT, Graham Peter; HARRISON, Timothy; BATTACHARYYA, Sumita; ROUNTREE, James Samuel Shane; BURKAMP, Frank; PRICE, Stephen; MACLEOD, Calum; ELLIOTT, Richard Leonard; SMITH, Phillip; BLENCH, Toby Jonathan; DYKE, Hazel Joan; WO2011/33265; (2011); A1;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

Adding a certain compound to certain chemical reactions, such as: 52605-96-6, 2-Chloro-3-methoxypyridine, 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: C6H6ClNO, blongs to pyridine-derivatives compound. Formula: C6H6ClNO

General procedure: To 2-chloropyridine (1.1 mmol) in ethanol (5.0 mL) was added hydrazine hydrate (2 mL) dropwise at room temperature. The mixture was refluxed until completion as monitored by TLC. The reaction mixture was cooled, ethanol was removed by evaporation. Then, the residue was partitioned between ethyl acetate and water. The combined organic phase was dried over anhydrous sodium sulfate and concentrated to give the product, which was used for the following cyclization reaction without purification.

The synthetic route of 52605-96-6 has been constantly updated, and we look forward to future research findings.

Reference:
Article; Liu, Lingfeng; Qiao, Chunhua; Shen, Bei; Xu, Yiwen; Tetrahedron Letters; (2020);,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

Electric Literature of 52605-96-6, 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 52605-96-6, name is 2-Chloro-3-methoxypyridine. This compound has unique chemical properties. The synthetic route is as follows.

To a stirred solution of 2-chloro-3- methoxypyridine (1.55 g, 10.8 mmol, prepared as described in WO2007/123995) in dry THF (30 mL), cooled to -78C, was added 2.5 M nBuLi in hexanes (4.75 mL, 1 1.9 mmol) After 1 hour, a solution of DMF (2.5 mL, 32.4 mmol) in THF (5 mL) was added. After a further 2.5 hours, a saturated aqueous ammonium chloride solution was added and the reaction mixture was allowed to warm to RT. The resultant biphasic mixture was separated and extracted twice with diethyl ether. The combined oraganic phase was washed with water and brine, dried (Na2S04), filtered, and concentrated in vacuo. The resultant residue was subjected to flash chromatography (Si02, gradient 20 to 25 % ethyl acetate in cyclohexane) to afford the title compound (1.42 g, 77%) as a white solid. 1H NMR (300 MHz, CDCI3): delta 10.44 (d, J = 0.8 Hz, 1H), 8.34 (dd, J = 4.9 and 0.8 Hz, 1 H), 7.60 (d, J = 4.9 Hz, 1 H), 4.08 (s, 3H). LCMS (Method A): RT = 2.84 min, [M+H]+ = 172/174.

According to the analysis of related databases, 52605-96-6, the application of this compound in the production field has become more and more popular.

Reference:
Patent; ALMAC DISCOVERY LIMITED; BELL, Mark Peter; O’DOWD, Colin Roderick; ZHANG, Lixin; TEVITT, Graham Peter; HARRISON, Timothy; BATTACHARYYA, Sumita; ROUNTREE, James Samuel Shane; BURKAMP, Frank; PRICE, Stephen; MACLEOD, Calum; ELLIOTT, Richard Leonard; SMITH, Phillip; BLENCH, Toby Jonathan; DYKE, Hazel Joan; WO2011/33265; (2011); A1;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

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. 52605-96-6, name is 2-Chloro-3-methoxypyridine, the common compound, a new synthetic route is introduced below. Product Details of 52605-96-6

The 2-chloro-3-methoxypyridine (2) (13 g, 90.6 mmol), from Step I, was stirred with 3-equivalents of sodium methoxide (14.7 g, 271.8 mmol) in dimethylformamide (100 mL) at 100 C. until completion of the reaction. The reaction mixture was then quenched with water and extracted with dichloromethane. The combined extracts were washed with water, concentrated and distilled (74 C.; 5 mm Hg) to give the product, 2,3-dimethoxypyridine (3), as a clear oil (7 g; 29% yield for two steps).1H NMR (300 MHz, CDCl3) delta 7.65 (dd, 1 H, J1=5.1 Hz, J2=1.5 Hz), 6.96(dd, 1 H, J1=7.5 Hz, J2=1.5 Hz), 6.76(dd, 1 H, J1=5.1 Hz, J2=7.7 Hz), 3.95 (s, 3 H), 3.80 (s, 3 H).

The synthetic route of 52605-96-6 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; BioNumerik Pharmaceuticals, Inc.; US2008/261919; (2008); 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. 52605-96-6, name is 2-Chloro-3-methoxypyridine, molecular formula is C6H6ClNO, 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. category: pyridine-derivatives

(b). 2,3-dimethoxypyridine To a solution of 2-chloro-3-methoxy-pyridine (1 10 g) in DMSO (1 L) was added sodium methoxide (124 g). The reaction mixture was heated to 80C overnight. The reaction mixture was poured into 3 L water and extracted with ethyl acetate. The organic phase was washed with brine, dried over Na2S04, filtered and concentrated to give the crude product. Yield: 105 g ? NMR delta (ppm)(CH3OH-d): 7.70 (t, 1 H, J=1.2 and 5.2 Hz), 7.01 (t, 1 H, J=1.2 and 8.0 Hz), 6.81 (q, 1 H, J=5.2 and 7.8 Hz), 4.00 (s, 3H), 3.85 (s, 3H).

With the rapid development of chemical substances, we look forward to future research findings about 52605-96-6.

Reference:
Patent; MSD OSS B.V.; BLACKABY, Wesley, Peter; DE KORT, Martin; ENTHOVEN, Mark; HINCHLIFFE, Paul, Stuart; PAULIE, Chris; TIMMERS, Cornelis, Marius; VERKAIK, Saskia; WO2013/41458; (2013); 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.52605-96-6, name is 2-Chloro-3-methoxypyridine, molecular formula is C6H6ClNO, molecular weight is 143.57, as common compound, the synthetic route is as follows.Computed Properties of C6H6ClNO

The boronic acid was prepared as described in Intermediate 4 to give 2. 2MMOLE. (QUANT. CRUDE). The boronic acid (2. 2mmol) was dissolved in acetonitrile (2. 4M .) and 3-METHOXY-2-CHLOROPYRIDINE (380MG ; 2. 88MMO1) was added. After mixing, tetrakis palladium was added (25MG ; 0.01mol%), followed by 0. 8M . of water and KXCOS (912MG ; 6. 6MOL). The reaction mixture was heated at 160C in A Personal Chemistry EMRYS Microwave for 300S. After reaction completion, the solvents were evaporated and the residue was dissolved in EtOAc and washed with water and brine. The organic layer was dried over MGSO4, FILTERED and evaporated. The residue was then dissolved in A 1 : 1 mixture of THF/2NKOH and heated until saponification was complete. The basic layer was then extracted with EtOAc and acidified with CONC. HCI. The aqueos layer was then extracted three times with EtOAc. The combined organic layers were dried over MgSO4, filtered and evaporated to give the desired material as A beige solid (312mg ; 57%). MS : MH+= 248

At the same time, in my other blogs, there are other synthetic methods of this type of compound,52605-96-6, 2-Chloro-3-methoxypyridine, and friends who are interested can also refer to it.

Reference:
Patent; RENOVIS, INC.; WO2005/32493; (2005); A2;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

Related Products of 52605-96-6, 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 52605-96-6 as follows.

Example 32: N-(5-tert-Butyl-3-methanesulfonylamino-2-methoxy-phenyl)-3- {4- [6- (cyclopropylmethyl-amino)-5-methoxy-pyridin-3-yl]- [1, 2,3] triazol-1-yl}-4-methyl- benzamide; A mixture of 2.00 g (13.9 mmol) of 2-chloro-3-methoxypyridine (Lancaster) in 13.3 mL of aminomethylcyclopropane was heated at 125 C in a sealed tube for 4 days. The mixture was then cooled to room temperature and partitioned between Et20 and water. The aqueous layer was washed with Et2O, and the combined extracts were washed with brine, dried with MgS04, filtered, and concentrated. The residue was passed through a plug of silica gel with CHUCK to provide 1.25 g (7.01 mmol; 50%) of 2- cyclopropylmethylamino-3-methoxypyridine.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route,52605-96-6, its application will become more common.

Reference:
Patent; BOEHRINGER INGELHEIM PHARMACEUTICALS, INC.; WO2005/90333; (2005); A1;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

Electric Literature of 52605-96-6 , The common heterocyclic compound, 52605-96-6, name is 2-Chloro-3-methoxypyridine, molecular formula is C6H6ClNO, 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.

V.16; 2-(3-methoxypropyl)pyridin-3-yl trifluoromethanesulfonate; Step 1: 3-methoxy-2-(3-methoxyprop-l-yn-l-yl)pyridine; To a solution of commercially available 2-chloro-3 ethoxy pyridine (1 eq.) in acetonitrile (1.9M) was added PdC12(CH3CN)2 (0.015 eq.), Cs2CO3 (2.4 eq.) and 2-(dicyclohexylphosphino)-2′-6′- 0 dimethoxy-l-l’-biphyl (S-PHOS; 0.044 eq.). The suspension was sonicated for 5min then 3- methoxyprop-1-yne (1.7 eq.) was added. The final mixture was stirred 12 h at 1000C, cooled down to room temperature, diluted with diethylether. The organic fraction was washed with water, brine, dried over Na2SO4, filtered and concentrated. Purification by column chromatography on silica gel, eluting with CH2Cl2/ Acetone 5% afforded the desired compound.

The synthetic route of 52605-96-6 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; MERCK FROSST CANADA LTD.; WO2009/23964; (2009); A1;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

Electric Literature of 52605-96-6, Adding some certain compound to certain chemical reactions, such as: 52605-96-6, name is 2-Chloro-3-methoxypyridine,molecular formula is C6H6ClNO, 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 52605-96-6.

To a solution of 2-chloro-3-methoxypyridine (50 g, 0.348 mol) in THF500 mLat -78 C was added LDA (1.0 M in THF, 418mL, 0.418 mmol) dropwise. After addition, the mixture was stirred at -78 C for 30 minutes then dry ice was added to the reaction during 30 minutes. The reaction was quenched with 5% w/v aqueous NaOH (200 mL) and the aqueous layer was washed with EtOAc (200 mL×2). The organic fractions were discarded and the pH of the aqueous Iayer was adjusted to 2 with a 6 M aqueous HCl solution. The aqueous layer was extracted with EtOAc (30 mL×3) and the combined organic fractions dried by Na2SO4, filtered and concentrated to give the desired compound as a yellow solid (35 g, 53.8%).

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. 52605-96-6, 2-Chloro-3-methoxypyridine, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; FRONTHERA U.S. PHARMACEUTICALS LLC; JIN, Bohan; DONG, Qing; HUNG, Gene; KALDOR, Stephen W.; (0 pag.)WO2020/86616; (2020); A1;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem