41864-45-3 Archives - Ethers-buliding-blocks

S News Extracurricular laboratory: Synthetic route of 41864-45-3

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, 4,5-Dimethoxy-2-methylaniline, other downstream synthetic routes, hurry up and to see.

Application of 41864-45-3, 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. 41864-45-3, name is 4,5-Dimethoxy-2-methylaniline belongs to ethers-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below.

The compound 66 (830 mg, 2.75 mmol) was dissolved in acetic acid (6.64 mL). 4,5-dimethoxy-2-methylaniline (2.30 g, 13.7 mmol) was added to the solution. The mixture was stirred at 100C for 3 hours. Water was added to the reaction mixture. The mixture was extracted with ethyl acetate. The organic layer was washed by brine, and dried over sodium sulfate. The solvent was evaporated under reduced pressure. The obtained residue was solidified with ethyl acetate to give the compound I-1281 (450 mg, yield 40%). 1H-NMR (DMSO-D6) delta: 1.90 (s, 3H), 3.70 (s, 3H), 3.75 (s, 3H), 5.33 (s, 2H), 6.75 (s, 1H), 6.83 (s, 1H), 7.33 (dd, J = 8.0 Hz, 2H), 7.40 (s, 1H), 8.83 (s, 1H).

Reference:
Patent; Shionogi & Co., Ltd; TANAKA, Satoru; OGAWA, Tomoyuki; KAI, Hiroyuki; OGATA, Yuki; HIRAI, Keiichiro; KUROSE, Noriyuki; FUJII, Yasuhiko; (438 pag.)EP3287443; (2018); A1;,
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

The important role of 41864-45-3

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 41864-45-3, its application will become more common.

Some common heterocyclic compound, 41864-45-3, name is 4,5-Dimethoxy-2-methylaniline, molecular formula is C9H13NO2, 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. category: ethers-buliding-blocks

The synthetic procedure used in this preparation is outlined in Scheme M. 4-(4-Fluoro-phenyl)-1-(2-hydroxy-ethyl)-2-oxo-1,2,3,4-tetrahydro-pyrimidine-5-carboxylic acid (180 mg), 4,5-dimethoxy-2-methyl-phenylamine (86 mg) and benzotriazol-1-yl-oxytripyrrolidinophosphonium hexafluorophosphate (PyBOP, 265 mg) were dissolved in 10 mL DMF, followed by 0.2 mL di-iso-propylethyl amine. The mixture was heated at 50 for 72 hours, then cooled, diluted with aqueous pH 2 buffer and ethyl acetate, and the layers separated. The organic layer was washed with saturated sodium bicarbonate and brine, then dried over Na2SO4, filtered and the solvent removed in vacuo. The residue was chromatographed in 3% MeOH/DCM. The fraction containing the product was washed with 10% aqueous HCl, and concentrated in vacuo to yield 52 mg of 4-(4-fluoro-phenyl)-1-(2-hydroxy-ethyl)-2-oxo-1,2,3,4-tetrahydro-pyrimidine-5-carboxylic acid (4,5-dimethoxy-2-methyl-phenyl)-amide, MS (M+H)=430.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 41864-45-3, its application will become more common.

Reference:
Patent; Brotherton-Pleiss, Christine E.; Caroon, Joan Marie; Lopez-Tapia, Francisco Javier; Walker, Keith Adrian Murray; US2011/28502; (2011); A1;,
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

Analyzing the synthesis route of 41864-45-3

Statistics shows that 4,5-Dimethoxy-2-methylaniline is playing an increasingly important role. we look forward to future research findings about 41864-45-3.

Reference of 41864-45-3, These common heterocyclic compound, 41864-45-3, name is 4,5-Dimethoxy-2-methylaniline, 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.

The compound 63 (100 mg, 0.33 mmol) was dissolved in propionic acid (1 mL). 4,5-dimethoxy-2-methylaniline (223 mg, 1.33 mmol) was added to the solution. The mixture was stirred at 150C for 30 minutes. The reaction mixture was poured into ice water, and neutralized with the aqueous solution of sodium hydrogen carbonate. The mixture was extracted with ethyl acetate. The organic layer was washed by water and brine, and dried over anhydrous sodium sulfate. The solvent was evaporated under reduced pressure. The obtained oil was purified by silica-gel column chromatography (hexane-ethyl acetate). The obtained residue was solidified with ethyl acetate-hexane to give the compound 5 (66 mg, yield 47%). 1H-NMR (CDCl3) delta: 1.91 (s, 3H), 2.20 (s, 3H), 3.81 (s, 3H), 3.85 (s, 3H), 5.24 (br s, 2H), 5.38 (s, 1H), 6.26 (s, 1H), 6.70 (s, 1H), 6.50-6.85 (m, 2H), 7.52 (br s, 1H).

Statistics shows that 4,5-Dimethoxy-2-methylaniline is playing an increasingly important role. we look forward to future research findings about 41864-45-3.

Extracurricular laboratory: Synthetic route of 4,5-Dimethoxy-2-methylaniline

Related Products of 41864-45-3, 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. 41864-45-3, name is 4,5-Dimethoxy-2-methylaniline belongs to ethers-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below.

Research on new synthetic routes about 4,5-Dimethoxy-2-methylaniline

The chemical industry reduces the impact on the environment during synthesis 4,5-Dimethoxy-2-methylaniline. I believe this compound will play a more active role in future production and life.

Electric Literature of 41864-45-3, 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. 41864-45-3, name is 4,5-Dimethoxy-2-methylaniline, This compound has unique chemical properties. The synthetic route is as follows.

EXAMPLE 18 N2-(4,5-Dimethoxy-2-methylphenyl)-N4-(5-adamantylisoxazol-3-yl)-2,4-pyrimidinediamine The title compound was prepared by the method described in Example 1 using 2-chloro-N4-(5-adamantylisoxazol-3-yl)-4-pyrimidineamine and 2-methyl-4,5-dimethoxyaniline. MS (MH+)=462.2; Calc’d for C26H31N5O3-461.57. Other compounds included in this invention are set forth in Tables 1-2 below.

The chemical industry reduces the impact on the environment during synthesis 4,5-Dimethoxy-2-methylaniline. I believe this compound will play a more active role in future production and life.

Simple exploration of 4,5-Dimethoxy-2-methylaniline

The synthetic route of 4,5-Dimethoxy-2-methylaniline has been constantly updated, and we look forward to future research findings.

The compound 71 (75 mg, 0.223 mmol) was dissolved in acetic acid (0.375 mL). 4,5-Dimethoxy-2-methylaniline (374 mg, 2.23 mmol) was added to the solution. The mixture was stirred at 100C for 3 hours. Water was added to the reaction mixture. The mixture was extracted with ethyl acetate. The organic layer was washed by brine, and dried over sodium sulfate. The solvent was evaporated under reduced pressure. The obtained residue was purified by silica-gel column chromatography (ethyl acetate-n-hexane) to give the compound 1-1264 (19.3 mg, yield 19%). 1H-NMR (DMSO-D6) delta: 1.92 (s, 3H), 3.68 (s, 3H), 3.74 (s, 3H), 5.31 (s, 2H), 6.74 (s, 1H), 6.81 (s, 1H), 7.36 (dd, J = 7.2 Hz, 2H), 9.05 (br, 1H).

The synthetic route of 4,5-Dimethoxy-2-methylaniline has been constantly updated, and we look forward to future research findings.

The important role of 4,5-Dimethoxy-2-methylaniline

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 4,5-Dimethoxy-2-methylaniline, its application will become more common.

Synthetic Route of 41864-45-3,Some common heterocyclic compound, 41864-45-3, name is 4,5-Dimethoxy-2-methylaniline, molecular formula is C9H13NO2, 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.

Reference Example 76 N-(2-methyl-4,5-dimethoxyphenyl)cinnamamide To a solution of 4,5-dimethoxy-2-methylaniline (40.1 g), pyridine (48.5 ml), and acetone (350 ml), cinnamoyl chloride (44.0 g) was added dropwise at room temperature over 15 minutes. After allowing to react at room temperature for 2 hours, water (15 ml) was added and the mixture was stirred for 20 minutes. The solvent was distilled off under reduced pressure, and the residue was dissolved in chloroform, followed by washing with 1N HCl, 1N caustic soda and water in this order, and drying. Chloroform was evaporated. Precipitated crystals were collected by filtration with ether. 69.8 g of the title compound was obtained as yellow crystals (97.8%). 1 H-NMR(CDCl3)delta: 2.24(3H,s), 3.86(6H,s), 6.60(1H,d,J=15.1 Hz), 6.69(1H,s), 7.20(1H,bs), 7.37(3H,bs), 7.53(3H,bs), 7.75(1H,d,J=15.1 Hz).

Reference:
Patent; Kowa Co., Ltd.; US5576324; (1996); A;,
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

Some tips on 41864-45-3

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. 41864-45-3, name is 4,5-Dimethoxy-2-methylaniline, A new synthetic method of this compound is introduced below., Recommanded Product: 41864-45-3

EXAMPLE 157 4-(4,5-Dimethoxy-2-methylanilino)-2-(3-pyridinyl)-6-(trifluoromethyl)pyrimidine The title compound was prepared from a mixture of 4-chloro-2-(3-pyridinyl)-6-(trifluoromethyl)pyrimidine (50 mg, 0.193 mmol) and 4,5-dimethoxy-2-methylaniline (48 mg, 0.290 mmol) similar to Example 117 and isolated as a red solid (8 mg, 11%). 1H NMR (CDCl3): 9.69 (s, 1H), 8.74-8.68 (m, 2H), 7.56 (s, 1H), 7.43-7.39 (m, 1H), 6.84 (s, 1H), 6.83 (s, 1H), 6.46 (s, 1H), 3.94 (s, 3H), 3.86 (s, 3H), 2.23 (s, 3H).

Reference:
Patent; Cytovia, Inc.; US2003/69239; (2003); A1;,
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

A new synthetic route of 41864-45-3

The synthetic route of 41864-45-3 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. 41864-45-3, name is 4,5-Dimethoxy-2-methylaniline belongs to ethers-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below. Recommanded Product: 41864-45-3

The compound 68 (150 mg, 0.415 mmol) was dissolved in acetic acid (0.75 mL). 4,5-dimethoxy-2-methylaniline (84 mg, 0.501 mmol) was added to the solution. The mixture was stirred at 100C for 3 hours. Water was added to the reaction mixture. The mixture was extracted with ethyl acetate. The organic layer was washed by brine, and dried over sodium sulfate. The solvent was evaporated under reduced pressure. The obtained residue was purified by silica-gel column chromatography (ethyl acetate-n-hexane) to give the compound 1-1252 (112 mg, yield 56%). 1H-NMR (DMSO-D6) delta: 1.24 (t, J = 7.2 Hz, 3H), 1.98 (s, 3H), 3.69 (s, 3H), 3.74 (s, 3H), 4.26 (q, J = 6.8, 14.0 Hz, 2H), 5.37 (s, 2H), 6.76 (s, 1H), 6.83 (s, 1H), 7.36 (dd, J = 6.8 Hz, 2H), 9.05 (s, 1H).

The synthetic route of 41864-45-3 has been constantly updated, and we look forward to future research findings.