Tag: M.W=400-500

Reference of 446292-08-6, Chemical engineers ensure the efficiency and safety of chemical processes, adapt the chemical make-up of products to meet environmental or economic needs, and apply new technologies to improve existing processes.

4.45 g (10.6 mmol) of the structural compound of formula (II) was suspended in 100 ml of ethanol, 40 ml of a methylamine aqueous solution (10.2 ml, 142 mmol) was added, reflux for 2 hours, concentrate to dryness under reduced pressure. Add 100 ml of ethanol, continue to concentrate under reduced pressure to dry. The residue was cooled to room temperature, adding 90 ml of methylene chloride, and the mixture was stirred to obtain a dichloromethane solution of the compound of the formula (R-1) go directly to the next step.

The potential utility of systematic synthetic strategy will be applicable to efficient generations of chemical libraries of compounds to find ‘hit’ molecules.Read on for other articles about 446292-08-6.

Reference:
Patent; Chongqing Ying Sikai Chemical Co., Ltd.; Chongqing Kerui Pharmaceutical (Group) Co., Ltd.; Huang Yuming; Wu Mingliang; Long Ping; Cheng Peng; Li Yang; Liu Junmin; Yue Xuerong; (10 pag.)CN106588905; (2017); A;,
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SDS of cas: 446292-08-6, Modeling chemical reactions helps engineers virtually understand the chemistry, optimal size and design of the system, and how it interacts with other physics that may come into play.

100 g (S)-2-((2-oxo-3-(4-(3-oxo-morpholino)phenyl)oxazolidin-5- yl)methyl)isoindoline-l,3-dione of Formula (I), 1000 ml Methanol and 119 g methyl amine were added to RBF at 25C to 35C. The reaction was heated to 60C to 65C for 1-2 hours. To the reaction mass oxalic acid (15g) was added till to pH 5.5 to 6.0 and maintained for 30 minutes. The reaction mass was cooled to 45 to 50C andmaintained for 30 minutes. The reaction mass was cooled to 25 to 35C and maintained for 30 minutes. The product was filtered and washed with methanol (50 ml x 2) afforded the oxalate salt of (S)-4-(4-(5-(aminomethyl)-2-oxo-oxazolidin-3- yl)phenyl)morpholin-3-one of Formula (JO). ^

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Reference:
Patent; CADILA HEALTHCARE LIMITED; DWIVEDI, Shriprakash, Dhar; PRASAD, Ashok; PAL, Daya, Ram; SHARMA, Mukul, Hari, Prasad; JAIN, Kuldeep, Natwarlal; PATEL, Naitik, Bharatbhai; WO2013/98833; (2013); A2;,
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name: (S)-2-((2-Oxo-3-(4-(3-oxomorpholino)phenyl)oxazolidin-5-yl)methyl)isoindoline-1,3-dione,Chemistry involves the study of all things chemical – chemical processes, chemical compositions and chemical manipulation – in order to better understand the way in which materials are structured, how they change and how they react in certain situations.

20 g of 2-({(5S) -2-oxo-3-[4-(3-oxomo holin-4-yl) henyl]-1 ,3-oxazolidin-5-yl}methyl)-1H- isoindole-1,3(2H)-dione was suspended in 450 ml of ethanol, which was followed by addition of 6 ml of hydrazinehydrate in 50 ml of ethanol and the mixture was stirred and refluxed for 3 hours. Then, the suspension was cooled down to 65C and filtered and the cake was washed with 2×50 ml of nearly boiling ethanol. After drying 7.2 g of an off-white powder were obtained, which slowly melted at a temperature over 260C (this fraction contained 99.9% of 2,3-dihydrophtalazine-l,4-dione according to HPLC). After cooling of the hot filtrate another solid fraction separated. After its isolation by filtration and drying, 12.5 g of white lumpy powder with the melt, point of 141-144C was obtained (this fraction contained 86.7% of the desired product, 12.7% of 2,3-dihydrophtalazine-l,4-dione, and the rest to 100 % were other unidentifiable impurities according to HPLC). The yield of the isolated amine calculated to the pure substance was 73%.

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Reference:
Patent; ZENTIVA, K.S.; HALAMA Ales; KRULIS Radim; DAMMER, Ondrej; KALASEK, Stanislav; WO2013/120465; (2013); A1;,
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Related Products of 446292-08-6,Chemistry involves the study of all things chemical – chemical processes, chemical compositions and chemical manipulation – in order to better understand the way in which materials are structured, how they change and how they react in certain situations.

2-({(5S) -2-oxo-3-[4- (3-oxo-4-morpholinyl) phenyl] -1,3-oxazolidin-5- yl} methyl)-1,3(2H) -dione (Formula 5) were added 75 ml of ethanol and 8.1 ml of a methylamine solution (concentration in water 40%) was added.The reaction mixture was then diluted with 60In Heating, Stir at this temperature for 2 hours.Confirm that the reaction is completed, and while maintaining the temperature, dilute the solution with 50 ml of ethanol and 3.04 ml of phosphoric acid, and slowly add the solution to the reaction solution. After confirming that the crystallization of the product was initiated and cooling to 20 C, the precipitated reaction product was filtered under suction. The resulting solid was dispersed in 110 ml of methanol, refluxed for 30 minutes and stirred, and then cooled to room temperature. The resulting crystals were filtered,And dried at 50 DEG C for 4 hours to obtain 11.1 g of morpholine diphosphate (Formula 2). (Yield: 96.0%)

The potential utility of systematic synthetic strategy will be applicable to efficient generations of chemical libraries of compounds to find ‘hit’ molecules.Read on for other articles about 446292-08-6.

Reference:
Patent; IL DONG PHARMACEUTICAL CO., LTD.; LEE, Ki Yong; KWON, Jae Wook; SEO, Myeong Won; KANG, Jae Hoon; (15 pag.)KR2017/98031; (2017); A;,
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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. 446292-08-6, name is (S)-2-((2-Oxo-3-(4-(3-oxomorpholino)phenyl)oxazolidin-5-yl)methyl)isoindoline-1,3-dione belongs to indolines-derivatives compound, it is a common compound, a new synthetic route is introduced below. Formula: C22H19N3O6

210.7 g (0.5 mol) of (S)-2-{[2-oxo-3-(4-(3-oxomorpholine)phenyl]oxazolidine-5-yl] prepared in Example 7 was added to the reaction flask. Methyl isonon-1,3-dione (formula VII), 1500 ml of anhydrous ethanol, and 500 ml of a 30% aqueous solution of methylamine were stirred well.The reaction was heated to 40C to 60C for 8 hours, and TLC control (dichloromethane:methanol = 20:1, volume ratio) was completed.Adjust pH to 1-2 with 10% hydrochloric acid.A large amount of white solids precipitated and cooled to about 15C.Stir for 2 hours, filter and filter cake washed with 300 ml absolute ethanol.Drying under reduced pressure gave 147.0 g of a white solid (formula VIII) in a molar yield of 89.7%. The HPLC purity was 98.7%.

Keep reading other articles of (S)-2-((2-Oxo-3-(4-(3-oxomorpholino)phenyl)oxazolidin-5-yl)methyl)isoindoline-1,3-dione! Don’t worry, you don’t need a PhD in chemistry to understand the explanations! I believe this compound will play a more active role in future production and life.

Reference:
Patent; Peking University Fangzheng Group Co., Ltd.; Peking University Pharmaceutical Co., Ltd.; Peking University Medical Treatment Industrial Group Co., Ltd.; Xu Hong; Tian Juan; Zhang Zheng; Wang Wei; Ren Juan; (16 pag.)CN105085508; (2017); B;,
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Redox catalysis has been broadly utilized in electrochemical synthesis. The appropriate choice of redox mediator can avoid electrode passivation and overpotential, which strongly inhibit the efficient activation of substrates in electrolysis., Safety of (S)-2-((2-Oxo-3-(4-(3-oxomorpholino)phenyl)oxazolidin-5-yl)methyl)isoindoline-1,3-dione

210.7 g (0.5 mol) of (S)-2-{[2-oxo-3-(4-(3-oxomorpholine)phenyl]oxazolidine-5-yl] prepared in Example 7 was added to the reaction flask. Methyl isonon-1,3-dione (formula VII), 1500 ml of anhydrous ethanol, and 500 ml of a 30% aqueous solution of methylamine were stirred well and heated to 40 C. to 60 C. for 8 hours. TLC control (2) Chloroethane:methanol = 20:1, volume ratio) The reaction is complete. Adjust the pH to between 1-2 with 10% hydrochloric acid, precipitate a large amount of white solid, cool down to about 15C, stir for 2 hours, filter and filter cake with 300ml The mixture was washed with anhydrous ethanol and dried under reduced pressure to obtain 147.0 g of a white solid (the compound of Formula VIII) in a molar yield of 89.7%. The HPLC purity was 98.7%.

The potential utility of systematic synthetic strategy will be applicable to efficient generations of chemical libraries of compounds to find ‘hit’ molecules.Read on for other articles about 446292-08-6.

Reference:
Patent; Peking University Fangzheng Group Co., Ltd.; Peking University Pharmaceutical Co., Ltd.; Peking University Medical Treatment Industrial Group Co., Ltd.; Xu Hong; Li Linfeng; Zhang Zheng; Wang Wei; Ren Juan; (18 pag.)CN105085507; (2017); B;,
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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. 446292-08-6, name is (S)-2-((2-Oxo-3-(4-(3-oxomorpholino)phenyl)oxazolidin-5-yl)methyl)isoindoline-1,3-dione, A new synthetic method of this compound is introduced below., Recommanded Product: 446292-08-6

Add 4 kg of N-methylpyrrolidone to a 10 L reaction flask.Add 1.0kg of compound (II), add 0.3kg of 80% hydrazine hydrate, stir and heat.The reaction was stirred at 90 C for 4 h. The reaction solution was cooled to 45 ± 5 C,Add about 0.7kg of sulfuric acid, add the reaction, and cool the reaction solution to 5±5C for 1h~1.5h.Filtration, filter cake washed with N-methylpyrrolidone, ethanol,Transfer the wet product to the blast oven,The internal temperature of the oven was controlled to dry at 50-55 C for 16 ± 1 hour to obtain a white solid.Yield: 92%, product purity (HPLC): 99.5%.

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; Changzhou Pharmaceutical Factory Co., Ltd.; Guo Yijie; Jin Xiaofeng; Shao Zhichun; (13 pag.)CN110156768; (2019); A;,
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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. 446292-08-6, name is (S)-2-((2-Oxo-3-(4-(3-oxomorpholino)phenyl)oxazolidin-5-yl)methyl)isoindoline-1,3-dione, This compound has unique chemical properties. The synthetic route is as follows., Computed Properties of C22H19N3O6

The reaction flask was charged with 210.7 g (0.5 mol) of the compound prepared in Example 7,(S) -2- {[2-oxo-3- (4- (3-oxorpholine) phenyl) oxazolidin-5-yl] methyl} isoindole- VII),1500ml of anhydrous ethanol, 500ml of 30% aqueous solution of methylamine, stirring evenly,The temperature was raised to 40 C to 60 C for 8 hours,TLC in the control (dichloromethane: methanol = 20: 1, volume ratio) reaction is complete,With 10% hydrochloric acid to adjust the pH to 1-2 between the precipitation of a large number of white solid, cooling to about 15 C,Stirring for 2 hours, filtering, filter cake with 300ml anhydrous ethanol washing, vacuum drying,A mixture of 147.0 g of the white solid (compound of formula VIII) was obtained in a molar yield of 89.7%, and 1 ^ (purity: 98.7%).

According to the analysis of related databases, 446292-08-6, the application of this compound in the production field has become more and more popular.

Reference:
Patent; Peking University Fangzheng Group Co., Ltd.; Peking University Pharmaceutical Co., Ltd.; Peking University Medical Treatment Industrial Group Co., Ltd.; Xu Hong; Li Linfeng; Zhang Zheng; Wang Wei; Ren Juan; (15 pag.)CN105085371; (2017); B;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem

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. 446292-08-6, name is (S)-2-((2-Oxo-3-(4-(3-oxomorpholino)phenyl)oxazolidin-5-yl)methyl)isoindoline-1,3-dione, A new synthetic method of this compound is introduced below., Recommanded Product: 446292-08-6

2-({(5S) -2-oxo-3-[4- (3-oxo-4-morpholinyl) phenyl] -1,3-oxazolidin-5- yl} methyl)-1,3(2H) -dione (Formula 5) were added 75 ml of ethanol and 8.1 ml of a methylamine solution (concentration in water 40%) was added.The reaction mixture was then diluted with 60In Heating, Stir at this temperature for 2 hours.Confirm that the reaction is completed, and while maintaining the temperature, dilute the solution with 50 ml of ethanol and 3.04 ml of phosphoric acid, and slowly add the solution to the reaction solution. After confirming that the crystallization of the product was initiated and cooling to 20 C, the precipitated reaction product was filtered under suction. The resulting solid was dispersed in 110 ml of methanol, refluxed for 30 minutes and stirred, and then cooled to room temperature. The resulting crystals were filtered,And dried at 50 DEG C for 4 hours to obtain 11.1 g of morpholine diphosphate (Formula 2). (Yield: 96.0%)

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; IL DONG PHARMACEUTICAL CO., LTD.; LEE, Ki Yong; KWON, Jae Wook; SEO, Myeong Won; KANG, Jae Hoon; (15 pag.)KR2017/98031; (2017); A;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem

Synthetic Route of 446292-08-6, 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 446292-08-6 as follows.

The reaction flask was charged with 210.7 g (0.5 mol) of the compound prepared in Example 7, (S)-2-{[2-oxo-3-(4-(3-oxorpholine)phenyl)oxazolidin-5-yl]methyl}isoindole-(VII), 1500 ml of absolute ethanol, 500 ml of 30% aqueous methylamine solution, stirred evenly, heated to 40 C to 60 C for 8 hours, TLC in the control (dichloromethane: methanol = 20: 1, volume ratio) reaction is complete, with 10% hydrochloric acid to adjust the pH between 1-2 to precipitate a large number of white solid, cooled to about 15 C, stirring 2 hours, filter. The filter cake was washed with 300 ml of absolute ethanol and dried under reduced pressure to give 147.0 g of a white solid (compound of formula VIII) with a molar yield of 89.7% and an HPLC purity of 98.7%.

According to the analysis of related databases, 446292-08-6, the application of this compound in the production field has become more and more popular.

Reference:
Patent; Peking University Fangzheng Group Co., Ltd.; Peking University Pharmaceutical Co., Ltd.; Peking University Medical Treatment Industrial Group Co., Ltd.; Xu Hong; Lei Bingying; Zhang Zheng; Wang Wei; Ren Juan; (15 pag.)CN105085370; (2017); B;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem