Category: 2913-97-5

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. 2913-97-5, name is N-(2-Oxoethyl)phthalimide, A new synthetic method of this compound is introduced below., Formula: C10H7NO3

To a solution of (1,3-dioxo-1,3-dihydro-isoindol-2-yl)-acetaldehyde (4.53 g) in EtOH (18 mL) was added a solution of 2-aminoethanthiol hydrochloride (2.9 g) in water (3.7 mL) followed by addition in one portion of potassium acetate (2.5 g). The reaction mixture was stirred at rt for 2 h and poured into a sat. NaHCO3 solution, the resulting precipitate was collected by filtration and washed with water and EtOH to yield the title compound as a white solid (4.92 g, 82percent).LC-MS: tR=0.57 min; [M+H]+=248.95

The synthetic route of 2913-97-5 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Aissaoui, Hamed; Boss, Christoph; Hazemann, Julien; Koberstein, Ralf; Siegrist, Romain; Sifferlen, Thierry; US2011/105491; (2011); A1;,
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Application of 2913-97-5, 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. 2913-97-5, name is N-(2-Oxoethyl)phthalimide belongs to indolines-derivatives compound, it is a common compound, a new synthetic route is introduced below.

To a stirred solution of 2-(1, 3-dioxoisoindolin-2-yl) acetaldehyde (4.0 g, 21.15 mmol) in ethanol (40 mL) added hydroxylamine. HC1 (2.930 g, 42.305 mmol), followed by sodium bicarbonate (3.55 g, 42.305 mmol) at room temperature and stirred at roomtemperature for 16 h. Evaporated off the solvent, added water (50 mL) and extracted with ethyl acetate (2 x 100 mL). The combined organic layer was washed with water (100 mL), followed by brine , dried over sodium sulfate and concentrated under vaccue to give the titled compound (3.2 g, 74percent) as off white solid. LCMS: m/z 204.1 [M+H] ?H NMR (300 MHz, DMSO-d6) 11.36 (s, 1H), 7.98?7.78 (m, 4H), 6.83 (t, J= 3.8 Hz,1H), 4.39 (dd, J= 3.9, 0.9 Hz, 2H).

The synthetic route of N-(2-Oxoethyl)phthalimide has been constantly updated, and we look forward to future research findings.

Reference:
Patent; AURIGENE DISCOVERY TECHNOLOGIES LIMITED; CHIKKANNA, Dinesh; KHAIRNAR, Vinayak; PANIGRAHI, Sunil Kumar; WO2014/111871; (2014); A1;,
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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. 2913-97-5, name is N-(2-Oxoethyl)phthalimide, This compound has unique chemical properties. The synthetic route is as follows., Product Details of 2913-97-5

To a stirred solution of 9 (0.38mmol) in MeOH (2mL), NH4OAc (3.76mmol), 2-(1,3-dioxoisoindolin-2-yl)acetaldehyde (10) (0.56mmol), and MTBE (2mL) were added at room temperature. The mixture was heated at 50¡ãC for 10h and then cooled to room temperature. The pH of the reaction mixture was adjusted to 8 with saturated aqueous NaHCO3 solution. The reaction mixture was extracted with EtOAc (2¡Á35mL), and the combined organic layer was washed with water (10mL) and brine (10mL). The EtOAc solution was dried over anhydrous Na2SO4, filtered, and evaporated to dryness under reduced pressure. The residue was purified by MPLC on silica gel using MeOH/ CH2Cl2 (1:20) as eluent to give the titled compound as a yellow solid. Yield 67percent; mp 262?263¡ãC; IR (KBr) 3076, 2928, 1716, 1391cm?1; 1H NMR (400MHz, CDCl3/CD3OD) delta 2.51 (s, 3H), 5.00 (s, 2H), 7.00 (d, 1H, J=7.6Hz), 7.10 (d, 1H, J=8.0Hz), 7.42 (t, 1H, J=7.8Hz), 7.67 (d, 1H, J=9.2Hz), 7.69?7.72 (m, 2H), 7.74 (dd, 1H, J=9.2, 1.6Hz), 7.83?7.86 (m, 2H), 8.28 (s, 1H), 8.87 (br s, 1H); 13C NMR (100MHz, CDCl3) delta 24.6, 35.5, 116.3, 117.7, 122.2, 122.8, 123.9 (2C), 128.0, 128.9, 131.7, 132.1 (2C), 134.2, 134.6 (2C), 137.3, 143.3, 147.7, 150.0, 154.5, 159.1, 168.1 (2C); HRMS-ESI: m/z [M+H]+ calcd for C24H18N7O2: 436.1516, found 436.1530.

According to the analysis of related databases, 2913-97-5, the application of this compound in the production field has become more and more popular.

Reference:
Article; Jin, Cheng Hua; Krishnaiah, Maddeboina; Sreenu, Domalapally; Subrahmanyam, Vura Bala; Park, Hyun-Ju; Park, So-Jung; Sheen, Yhun Yhong; Kim, Dae-Kee; Bioorganic and Medicinal Chemistry; vol. 22; 9; (2014); p. 2724 – 2732;,
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2913-97-5, name is N-(2-Oxoethyl)phthalimide, belongs to indolines-derivatives 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: 2913-97-5

Compound 2: NaBH(OAc)3 (3,05 g ;14,4 mmol) was added to a solution of N- ethylaniline (1,16 g ; 9,6 mmol) and 2-phthalimidoacetaldehyde (1) (2,72 g, 14,4 mmol) in CH2C12 (28 mL). After 24 h at 20¡ãC, CH2C12 was added and the organic phase was washed with H20, dried (MgS04) and evaporated. The crude product was purified by chromatography over silica gel (80:20 CH2Cl2-cyclohexane) to afford 2 as a yellow solid (2,71 g, 96 percent). 1H NMR (250 MHz, CDC13): delta 7,85 (m, 2H), 7,71 (m, 2H), 7.24 (t, J = 7,8 Hz, 2H), 6,86 (d, J = 7,8 Hz, 2H), 6.67 (t, J = 7,8 Hz, 1H), 3.91 (dd, J = 6,5, 8,1 Hz, 2H), 3,58 (dd, J = 6,5, 8,1 Hz, 2H), 3,46 (q, J = 6,9 Hz, 2H), 1.22 (t, J = 7,0 Hz, 3H). 13C NMR (63 MHz, CDC13): <5 168,0 (C), 147,2 (C), 133,7 (CH), 131 ,8 (C), 129,2 (CH), 123,0 (CH), 116,0 (CH), 111,9 (CH), 47,8 (CH2), 44,6 (CH2), 35,0 (CH2), 12,2 (CH3). MS: m/z = 295 (MH+). Anal, calcd for Ci8Hi8N202 (294,14), C 73.45, H 6,16, N 9,52. Found C 73,33, H 6,17, N 9,62. The synthetic route of 2913-97-5 has been constantly updated, and we look forward to future research findings. Reference:
Patent; UNIVERSITE PARIS DESCARTES; SLAMA-SCHWOK, Anny; BOUCHER, Jean-Luc; XU-LI, Yun; DEPREZ, Eric; HENRY, Etienne; DESSY, Chantal; FERON, Olivier; TARUS, Bogdan; WO2012/175516; (2012); A1;,
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2913-97-5,Some common heterocyclic compound, 2913-97-5, name is N-(2-Oxoethyl)phthalimide, molecular formula is C10H7NO3, 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 intermediate B2 (i .46 g, i equiv), hydroxylamine hydrochloride (0.64 g, i .2 equiv), anhydrous K2C03 (i.6 g, i.5 equiv) in absolute methanol (iO ml) was stirred at room temperature overnight. The solvent was evaporated under reduced pressure and the residue was diluted with water, extracted with dichloromethane three times. The organic phase was combined and washed with brine, dried and solvent evaporated to give the title compound as a white solid (0.75 g). ?H-NMR (d5-DMSO, 400 MHz, ca i:i cis-trans isomer) 64.30/4.37 (2xd, 2H, J=4.0), 6.8i/7.35 (2xt, iH, J=4.0), 7.8i-7.88 (m, 4H), iO.86/ii.34 (2xs, iH); MS (El) mlz: 204 (Mj.

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

Reference:
Patent; Shen, Jianhua; Wang, Yiping; Wang, Kai; US2014/171431; (2014); A1;,
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Indoline | C8H9N – PubChem

2913-97-5,Some common heterocyclic compound, 2913-97-5, name is N-(2-Oxoethyl)phthalimide, molecular formula is C10H7NO3, 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.

To a mixture of phthalimidoacetaldehyde (64 g, 0.34 mol) and trans-1-methoxy-3-(trimethylsilyloxy)-1,3-butadiene (81.5 g, 0.38 mol) in benzene (600 ml) stirred for 15 min. under nitrogen was added dropwise a 45 percent solution of zinc chloride diethyl ether complex in dichloromethane (55.5 ml, 0.17 mol) at 0 ¡ãC. The reaction was allowed warm up to room temperature overnight. To the reaction mixture was added water (500 ml) and the resulting mixture was extracted with ethyl acetate (200 ml). The organic extract was washed successively with 1.0 N hydrochloric acid (2 x 200 ml) and brine (200 ml). The organic phase was dried (Na2SO4), filtered and the solvent evaporated invacuo which afforded a slowly crystallising oil (98 g). To the solid was added a mixture of ethyl acetate and diethyl ether (400 ml, 1:1) and the resulting precipitate was filtered off, washed with a small portion of diethyl ether and dried at 50 ¡ãC for 1 hour affording 59.8 g (69 percent) of 2-(4-oxo-3,4-dihydro-2H-pyran-2-ylmethyl)-isoindote-1,3-dione as a solid. The filtrate was evaporated invacuo and the residue purified by column chromatography on silica gel (1 L) using a mixture of ethyl acetate and heptane (1:2) as eluent. Pure fractions were collected and the solvent evaporated invacuo to almost dryness, the solid was filtered off and dried invacuo at 50 ¡ãC for 16 h affording an additional 15 g (17 percent) of 2-(4-oxo-3,4-dihydro-2H-pyran-2-ylmethyl)-isoindole-1,3-dione as a solid.1H-NMR (300 MHz, CDCl3) delta 2.61 (d, 2H), 3.85 (dd, 1H), 4.18 (dd, 1H), 4.76 (m, 1H), 5.43 (d, 1H), 7.28 (d, 1H), 7.69 – 7.77 (m, 2H), 7.84 – 7.88 (m, 2H).

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

Reference:
Patent; NOVO NORDISK A/S; Ontogen Corporation; EP1214325; (2005); B1;,
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2913-97-5, Adding a certain compound to certain chemical reactions, such as: 2913-97-5, name is N-(2-Oxoethyl)phthalimide, belongs to indolines-derivatives 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 2913-97-5.

Example 28B; tert-butyl (2S, 3S)-2-{[2-(1, 3-dioXo-1, 3-dihydro-2H-isoindol-2-yl) ethyl] amino}-3- methylpentanoate; To a solution of Example 28A (12.1 g) in methanol (20 mL) was added L-isoleucine tert-butyl ester hydrochloride (13.0 g, 58 mmol), sodium cyanoborohydride (7.3 g, 116 mmol), and acetic acid (2mL). The resulting solution was stirred for 3 hrs at 25¡ãC and the methanol removed under vacuum, dichloromethane (500 mL) added, and the solution washed with aqueous NaHC03 (2 x 300 mL). The organic layer was concentrated to give 12.9 g of the title compound.

According to the analysis of related databases, 2913-97-5, the application of this compound in the production field has become more and more popular.

Reference:
Patent; ABBOTT LABORATORIES; WO2005/61487; (2005); A1;,
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2913-97-5, Name is N-(2-Oxoethyl)phthalimide, 2913-97-5, belongs to indolines-derivatives compound, is considered to be a conventional heterocyclic compound, which is widely used in drug synthesis. The chemical synthesis route is as follows.

EXAMPLE 6E tert-butyl (2S)-2-{[2-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)ethyl]amino}-3,3-dimethylbutanoate A solution of the product of Example 3E (9.34 g, 49.4 mmol) in methanol (33 mL) was treated with L-tert-leucine tert-butyl ester hydrochloride (10 g, 44.9 mmol), sodium cyanoborohydride (5.6 g, 89.8 mmol), and acetic acid (1.5 ml, 26.2 mmol), stirred at 25¡ã C. for 4 hours, and partitioned between chloroform and saturated NaHCO3. The organic phase was washed with brine, dried over MgSO4, filtered and concentrated. The residue was chromatographed on silica gel, eluding with first with 66percent chloroform in hexanes and then with 33percent ethyl acetate in chloroform to give the title compound (10.5 g, 59percent yield).

Statistics shows that N-(2-Oxoethyl)phthalimide is playing an increasingly important role. we look forward to future research findings about 2913-97-5.

Reference:
Patent; DeGoey, David A.; Flentge, Charles A.; Flosi, William J.; Grampovnik, David J.; Kempf, Dale J.; Klein, Larry L.; Yeung, Ming C.; Randolph, John T.; Wang, Xiu C.; Yu, Su; US2005/148623; (2005); A1;,
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Adding a certain compound to certain chemical reactions, such as: 2913-97-5, name is N-(2-Oxoethyl)phthalimide, belongs to indolines-derivatives 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 2913-97-5, 2913-97-5

1, 4 g of N- (2-acetaldehyde) phthalimide,3 g of N, N’-dihydroxy-2,3-dimethyl-2,3-butanediamine was dissolved in 70 mL of 60percent ethanol aqueous solution,0.1 ml formic acid was added dropwise and the reaction was stirred at 25 ¡ã C for 24 hours.Suction filtered and washed to give a white solid product A 4.2 g,Yield 65percent.

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, N-(2-Oxoethyl)phthalimide, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; Shandong Normal University; Shi Zhiqiang; Li Jiaofu; Wang Yongxia; (8 pag.)CN104557714; (2017); B;,
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A common heterocyclic compound, 2913-97-5, name is N-(2-Oxoethyl)phthalimide, molecular formula is C10H7NO3, 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. 2913-97-5.

A solution of the product of Example 3E (36.81 g) in methanol (50 mL) was treated with L-iso-leucine tert-butyl ester hydrochloride (30 g, 134 mmol), sodium cyanoborohydride (16.9 g, 268 mmol), and acetic acid (4.6 ml, 80.4 mmol), stirred at 25¡ã C. for 3 hours and concentrated. The concentrate was partitioned between dichloromethane and saturated NaHCO3. The organic phase phase was washed with brine and dried over MgSO4, filtered and concentrated. The residue was chromatographed on silica gel, eluting with a gradient starting with 10percent-066percent ethyl acetate in hexanes to give the title compound (28.44 g, 59percent yield).

The synthetic route of N-(2-Oxoethyl)phthalimide has been constantly updated, and we look forward to future research findings.

Reference:
Patent; DeGoey, David A.; Flentge, Charles A.; Flosi, William J.; Grampovnik, David J.; Kempf, Dale J.; Klein, Larry L.; US2005/131017; (2005); A1;,
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