27-Sep-2021 News Analyzing the synthesis route of 54149-17-6

Statistics shows that 1-Bromo-2-(2-methoxyethoxy)ethane is playing an increasingly important role. we look forward to future research findings about 54149-17-6.

Reference of 54149-17-6, These common heterocyclic compound, 54149-17-6, name is 1-Bromo-2-(2-methoxyethoxy)ethane, 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.

2,7-dibromofluorene (Sigma Aldrich) (15.7 g, 0.048 mol) was dissolved in anhydrous tetrahydrofuran (150 mL) and cooled to 5 C. under argon atmosphere. Sodium tert-butoxide (10.5 g, 0.109 mol) was added portionwise, giving a deep red colour. After completion of addition, the reaction mixture was stirred at room temperature for 20 minutes. A solution of 1-bromo-2-(2-methoxyethoxy)ethane (Sigma Aldrich) (20 g, 0.109 mol) in anhydrous THF (50 mL) was added dropwise. The solution turned dark purple and an exotherm to 30 C. was observed. The reaction mixture was stirred at room temperature for 72 hours then diluted with water and ethyl acetate. The layers were separated and the aqueous phase extracted with ethyl acetate (2*). The combined organic layers were washed with water and brine then dried (Na2SO4) and filtered. Concentration of the filtrates in vacuo followed by purification of the residue by dry flash chromatography (0 to 40% ethyl acetate in heptane) gave 2,7-dibromo-9,9-Bis[2-(2-methoxyethoxy)ethyl]-9H-fluorene as a yellow oil (10 g, 40%). 1H NMR (300 MHz, CDCl3) 7.52-7.42 (m, 6H), 3.27 (m, 10H), 3.16 (m, 4H), 2.76 (m, 4H), 2.34 (m, 4H).

Statistics shows that 1-Bromo-2-(2-methoxyethoxy)ethane is playing an increasingly important role. we look forward to future research findings about 54149-17-6.

Reference:
Patent; Wuhan Xinqu Chuangrou Optoelectronics Technology Co., Ltd.; SIMMS, Michael James; OGIER, Simon Dominic; (47 pag.)US2019/131533; (2019); A1;,
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Sep-21 News Some tips on 54149-17-6

The synthetic route of 54149-17-6 has been constantly updated, and we look forward to future research findings.

54149-17-6, name is 1-Bromo-2-(2-methoxyethoxy)ethane, belongs to ethers-buliding-blocks compound, is considered to be a conventional heterocyclic compound, which is widely used in drug synthesis. The chemical synthesis route is as follows. Recommanded Product: 1-Bromo-2-(2-methoxyethoxy)ethane

Hydrazinemonohydrate and ethanol were put into a reaction container under a nitrogen atmosphere. A compound represented by Formula 1-122-1) was added, rollowed by heating and stirring The resultant product was concentrated to obtain a mixture containing a compound represented ny Formula (i-±2/–L)

The synthetic route of 54149-17-6 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; DIC CORPORATION; TENG, Yan; HORIGUCHI, Masahiro; KADOMOTO, Yutaka; KOISO, Akihiro; HAYASHI, Masanao; SAITOU, Yoshitaka; LI, Zhimin; (201 pag.)WO2017/79867; (2017); A1;,
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8-Sep-21 News Share a compound : 54149-17-6

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, 1-Bromo-2-(2-methoxyethoxy)ethane, other downstream synthetic routes, hurry up and to see.

Electric Literature of 54149-17-6, 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. 54149-17-6, name is 1-Bromo-2-(2-methoxyethoxy)ethane belongs to ethers-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below.

Under an argon atmosphere, sodium hydride (2.41g, 100 mmol) was suspended in THF (20 mL). Pyrrolidine (3.50 g, 50 mmol) dissolved in 30 mL of THF was added dropwise to the solution. The mixture was stirred at 25C for 15 h, then 1-bromo-2-(2-methoxyethoxy)ethane (9.15 g, 50 mmol) was added to the solution. After stirring at 70C for 15 h, the resulting suspension was filtered to remove the white precipitate. The solvent was removed from the filtrate by rotary evaporation to give the yellow crude product. The crude product was purified by distillation under reduced pressure. The fraction collected at 120C under a reduced pressure of 1 mm Hg afforded the pyrrolidine derivative 1-(2-(2-methoxyethoxy)ethyl)pyrrolidine (OE2py) as a colorless oil (yield=6.16 g, 72%). 1H NMR (CDCl3 relative to tetramethylsilane (TMS), 300 MHz): delta (ppm)=3.41 (m, 6H), 3.38 (s, 3H), 2.69 (t, J=5.2Hz, 2H), 2.55 (t, J=5.1Hz, 4H), 1.76 (m, 4H). MS (FAB+): m/z=174.2.

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, 1-Bromo-2-(2-methoxyethoxy)ethane, other downstream synthetic routes, hurry up and to see.

Reference:
Article; Horiuchi, Shunsuke; Zhu, Haijin; Forsyth, Maria; Takeoka, Yuko; Rikukawa, Masahiro; Yoshizawa-Fujita, Masahiro; Electrochimica Acta; vol. 241; (2017); p. 272 – 280;,
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7-Sep-21 News The important role of 54149-17-6

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, 1-Bromo-2-(2-methoxyethoxy)ethane, other downstream synthetic routes, hurry up and to see.

Adding a certain compound to certain chemical reactions, such as: 54149-17-6, name is 1-Bromo-2-(2-methoxyethoxy)ethane, belongs to ethers-buliding-blocks compound, 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 54149-17-6, Recommanded Product: 54149-17-6

A mixture of 5-nitro-1,2-dihydro-indazol-3-one (399 mg, 2.22 mmol), 1-bromo-2-(2-methoxy-ethoxy)-ethane (454 uL, 3.34 mmol), potassium iodide (370 mg, 2.22 mmol) and 1N sodium hydroxide solution (6.7 mL, 6.7 mmol) in 2 ml dioxane was stirred at 60 C. overnight. The reaction mixture was then cooled, poured into 50 mL H2O and 300 muL 10N NaOH was added. The aqueous layer was extracted with CH2Cl2 and then acidified to pH 2 with 6N HCl. The aqueous layer was extracted with ethyl acetate. The combined organic layer was dried over MgSO4, filtered and evaporated. The residue was purified by flash chromatography to afford the product 1-[2-(2-methoxy-ethoxy)-ethyl]-5-nitro-1,2-dihydro-indazol-3-one (380 mg, 61%). ES-MS calcd for C12H15N3O5 (m/e) 281.26, obsd 282.17 (M+H).

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, 1-Bromo-2-(2-methoxyethoxy)ethane, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; Bolin, David Robert; Cai, Jianping; Cheung, Adrian Wai-Hing; Goodnow, JR., Robert Alan; Hamilton, Matthew Michael; Li, Shiming; McDermott, Lee Apostle; Yun, Weiya; US2009/76275; (2009); A1;,
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9/2/21 News Analyzing the synthesis route of 54149-17-6

The synthetic route of 54149-17-6 has been constantly updated, and we look forward to future research findings.

Application of 54149-17-6, A common heterocyclic compound, 54149-17-6, name is 1-Bromo-2-(2-methoxyethoxy)ethane, molecular formula is C5H11BrO2, 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.

1-(2-Bromo-ethoxy)-2-methoxy-ethane (107 mg, 0.58 mmol) was added to a suspension of 4- hydroxy-2-(4-methoxy-benzyl)-isoindole-1 ,3-dione (150 mg, 0.53 mmol) and potassium carbonate (200 mg, 1.4 mmol) in DMF (2 mL). After 3.5 hours, a catalytic amount of potassium iodide was added. After a further 17 hours, the mixture was warmed to 60C. After 3 hours, an additional amount of 1-(2-bromo-ethoxy)-2-methoxy-ethane (20 mg, 0.11 mmol) was added and the mixture maintained at 6O0C for a further 20 hours. The mixture was concentrated in vacuo then the residue was taken up in ethyl acetate and washed with potassium carbonate solution and brine. The organic phase was dried (MgSO4) and concentrated to give the title compound as a yellow oil (149 mg, 73%). 1H NMR (methanol-d4) 7.71 (1 H, t), 7.43-7.40 (2H, m), 7.31-7.27 (2H, m), 6.87-6.83 (2H, m), 4.71 (2H, s), 4.37-4.34 (2H, m), 3.92-3.89 (2H, m), 3.77-3.74 (5H, m), 3.55-3.53 (2H, m), 3.33 (3H, s). MS: [M+H]+ 386.

The synthetic route of 54149-17-6 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; ASTEX THERAPEUTICS LIMITED; WO2008/44041; (2008); A1;,
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Sources of common compounds: C5H11BrO2

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 1-Bromo-2-(2-methoxyethoxy)ethane, its application will become more common.

Reference of 54149-17-6,Some common heterocyclic compound, 54149-17-6, name is 1-Bromo-2-(2-methoxyethoxy)ethane, molecular formula is C5H11BrO2, 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.

3-(2-(2-Methoxyethoxy)ethoxy)prop-1-yne (9) To a stirred suspension of sodium hydride (3.12 g, 78.0 mmol) in THF (100 mL) cooled to 5 C. in an ice-bath was added a solution of propargyl alcohol (4.60 g, 78.0 mmol) in THF (20 mL) drop-wise. The mixture was stirred at 5 C. for 30 min and was then allowed to warm to RT and treated dropwise with 1-bromo-2-(2-methoxyethoxy)ethane (7.00 mL, 52.0 mmol). The reaction mixture was stirred at RT for 16 hr and was then, diluted with water (100 mL) and extracted with diethyl ether (2*100 mL). The combined organic extracts were dried, filtered and evaporated in vacuo. The residue was purified by flash column chromatography, eluting with 30% EtOAc in heptane, to afford the title compound (9) (250 mg, 9%) as a colourless oil: 1H NMR (500 MHz, MeOD) delta: 4.18 (2H, d), 3.66-3.69 (2H, m), 3.60-3.66 (4H, m), 3.52-3.56 (2H, m), 3.36 (3H, s), 2.84 (1H, t).

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 1-Bromo-2-(2-methoxyethoxy)ethane, its application will become more common.

Reference:
Patent; King-Underwood, John; Ito, Kazuhlro; Murray, Peter John; Hardy, George; Brookfield, Frederick Arthur; Brown, Christopher John; US2012/208799; (2012); A1;,
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Brief introduction of 1-Bromo-2-(2-methoxyethoxy)ethane

According to the analysis of related databases, 54149-17-6, the application of this compound in the production field has become more and more popular.

Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 54149-17-6, name is 1-Bromo-2-(2-methoxyethoxy)ethane, This compound has unique chemical properties. The synthetic route is as follows., name: 1-Bromo-2-(2-methoxyethoxy)ethane

According to the literature [39], we followed the N-alkylation reaction to carry out the synthesis of compound 3. A 100mL round bottom flask was charged with intermediate 2 (1mmol), 1-bromo-2-(2-methoxyethoxy)ethane (2.2mmol) and sodium hydroxide (4mmol) in acetonitrile (15mL). The reaction mixture was stirred at 80C overnight. After removing the solvent, the residue was dissolved in dichloromethane. The organic solution was washed with water three times and then dried over anhydrous magnesium sulfate. Purified by column chromatography on silica gel with gradient eluents of petroleum ether and ethyl acetate, the pure target compound 3 was afforded.

According to the analysis of related databases, 54149-17-6, the application of this compound in the production field has become more and more popular.

Reference:
Article; Jiang, Kai; Chen, Si-Hong; Luo, Shi-He; Pang, Chu-Ming; Wu, Xin-Yan; Wang, Zhao-Yang; Dyes and Pigments; vol. 167; (2019); p. 164 – 173;,
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Simple exploration of C5H11BrO2

The synthetic route of 54149-17-6 has been constantly updated, and we look forward to future research findings.

54149-17-6, name is 1-Bromo-2-(2-methoxyethoxy)ethane, belongs to ethers-buliding-blocks compound, is considered to be a conventional heterocyclic compound, which is widely used in drug synthesis. The chemical synthesis route is as follows. Safety of 1-Bromo-2-(2-methoxyethoxy)ethane

To a solution of alkyl bromide in dry DMF would be added sodium azide, and the reaction mixture would be stirred at room temperature for 16 h. After completion of the reaction, the contents would be diluted with ethyl acetate and washed with water, dried over anhydrous sodium sulfate, filtered, and concentrated in vacuo.; 1-Azido-2-(2-methoxy-ethoxy)-ethane (607 mg) was prepared by following General Procedure U starting from 1-bromo-2-(2-methoxy-ethoxy)-ethane (1.0 g) and sodium azide (1.07 g). The crude product was used in the next step without further purification.

The synthetic route of 54149-17-6 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; HIGH POINT PHARMACEUTICALS, LLC; US2011/201604; (2011); A1;,
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Introduction of a new synthetic route about 54149-17-6

The synthetic route of 54149-17-6 has been constantly updated, and we look forward to future research findings.

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. 54149-17-6, name is 1-Bromo-2-(2-methoxyethoxy)ethane belongs to ethers-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below. Safety of 1-Bromo-2-(2-methoxyethoxy)ethane

Example 9. 6-{4-[4-(5-Chloro-1H-indole-2-sulphonyl)-piperazine-1-carbonyl]-phenyl}-2-[2-(2-methoxv-ethoxv)-ethvll-2H-pvridazin-3-one. 6- [4- ( {4- [ (5-Chloro-lH-indol-2-yl) sulphonyl] piperazin-1-yl} carbonyl) phenyl]- pyridazin-3-ol (see WO 99/57113,0. 054 gram, 0.11 mmol), 0. 016 gram of anhydrous potassium carbonate (0.11 mmol, 1.0 eq. ) and 0.02 gram of 1-bromo-2-(2-methoxy- ethoxy) ethane (0.11 mmol, 1.0 eq. ) were mixed in 1.5 mL of dry N, N-dimethylformamide. The mixture was treated with microwave at 150 C for 1 hour. Without any work-up, purification was performed on preparative HPLC, which gave 0.023 gram of 6-{4-[4-(5-chloro-1H-indole-2-sulphonyl)-piperazine-1-carbonyl]-phenyl}-2-[2-(2- methoxy-ethoxy)-ethyl]-2H-pyridazin-3-one (yield 36 %).

The synthetic route of 54149-17-6 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; ASTRAZENECA AB; WO2005/65688; (2005); A1;,
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Some scientific research about 54149-17-6

The basis of chemical reaction formula synthesis, the synthesis route is composed of some specific reactions and combined according to certain logical thinking. We look forward to the emergence of more reaction modes in the future.

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. 54149-17-6, name is 1-Bromo-2-(2-methoxyethoxy)ethane, A new synthetic method of this compound is introduced below., Safety of 1-Bromo-2-(2-methoxyethoxy)ethane

Example 1: Synthesis of ironflID /wgyo-tetrakis(N.N-di-(2-(2-methoxyethoxy)ethv?- imidazol-2-vnporphyrin (6) ;(“FeTDPImP”)FeTDPImp (FW: 1626.2 g/mol) was synthesized from a starting imdizaole compound using the following synthetic scheme. The synthetic scheme is shown, along with structures of intermediate products, in FIGS. 2A and 2B.1. Synthesis of N-( 2-(2-methoxyethoxy)ethvI>imidazole (2)Imidazole Ig (0.015 mol) was dissolved in dry DMF 50 mL under argon atmosphere. After a NaH mineral oil dispersion (60%) 0.68g (0.017mol) was added, the mixture was heated at 80 0C for 70 min. After cooling to room temperature, l-Bromo-2- (2-methoxyethoxy)-ethane (1), 2.75 g (0.015 mol), was added, then stirred overnight. The reaction was poured into water, extracted by CHCb, washed by water, dried over Na?SCU, then dried (Rotavap) until an oily residue remained. The crude product was purified with silica gel flash column chromatography with an eluant of CHCh : CH3<_)H=20: 1. 1.69 g(70% yield) of the product (2) was obtained as a colorless oil. As an alternative to column chromatography, product (2) is purified by vacuum distillation

The basis of chemical reaction formula synthesis, the synthesis route is composed of some specific reactions and combined according to certain logical thinking. We look forward to the emergence of more reaction modes in the future.

Reference:
Patent; TRUSTEES OF PRINCETON; WO2008/45358; (2008); A1;,
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