Indolines-derivatives

Electric Literature of 1504-06-9, 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. 1504-06-9, name is 3-Methyloxindole belongs to indolines-derivatives compound, it is a common compound, a new synthetic route is introduced below.

General procedure: In an open-air tube at room temperature (25 C), the corresponding 3-substitutedoxindole (0.15 mmol) was added to a solution of organocatalyst 5 (10 mol%) in toluene (1 mL). After 5 minutes, the mixture was introduced into a cooling bath at 0 C, andafter two minutes di-tert-butylazodicarboxilate (0.11 mmol, 1.1 eq.) was added in oneportion. The reaction was then allowed to react for 3 days. After this time, water (5 mL)and ethyl acetate (5 mL) were added, and the aqueous layer was then re-extracted twice (2 x 10 mL). The combined organic phases were dried (MgSO4) and evaporated underreduced pressure. Finally, the reaction crude was purified by column chromatographyon silica gel or TLC preparative using hexane/ethyl acetate mixtures as eluent. Spectroscopic data are listed within the article.

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

Reference:
Article; Benavent, Lloren; Baeza, Alejandro; Freckleton, Megan; Molecules; vol. 23; 6; (2018);,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem

Related Products of 15362-40-0, 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. 15362-40-0, name is 1-(2,6-Dichlorophenyl)-2-indolinone belongs to indolines-derivatives compound, it is a common compound, a new synthetic route is introduced below.

The material 2,6-dichlorodiphenylamine (IV) (15mmol, 3.572g) was dissolved in 50ml toluene solvent and added to a three-necked flask, chloroacetyl chloride (16.5mmol, 1.8637g) was added dropwise, heated to 120 , Stir the reaction for 3h,TLC detected that the reaction of 2,6-dichlorodiphenylamine (IV) was completed and cooled to room temperature. [Et3NH]Cl-AlCl3 (30mmol, 8.129g) was slowly added dropwise to the reaction solution, stirred at room temperature for 30min, the oil bath was heated to 60C, and the reaction was stirred for 4h.TLC monitoring until the N-phenyl-N-(2,6-dichlorophenyl)chloroacetamide (III) intermediate disappeared, the reaction solution was slowly poured into a separatory funnel, allowed to stand for separation, and the ions were separated The liquid is recovered and applied. The application effect is shown in Table 1. The organic layer is added dropwise with 10% NaOH (30mmol, 1.2g) and heated to reflux for 2h.TLC monitors the completion of the reaction of 1-(2,6-dichlorophenyl)-2-indoline (II) intermediate, separates and removes the organic layer, evaporates part of the water from the water layer under reduced pressure, cools and crystallizes, Recrystallized with water,4.035g of white solid was obtained with a yield of 84.56%,The HPLC content is 99.85%.

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-(2,6-Dichlorophenyl)-2-indolinone, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; Zhejiang University of Technology; Luo Shuping; Xu Dandan; Ren Chenchao; Wang Tianqi; (6 pag.)CN111116391; (2020); A;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem

Application of 150544-04-0, 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. 150544-04-0, name is 6-Aminoindolin-2-one belongs to indolines-derivatives compound, it is a common compound, a new synthetic route is introduced below.

6-(Morpholin-4-yl)-2-oxindole 6-Amino-2-oxindole (2.2 g), 4.0 g 2,2′-dibromoethyl ether and 7.9 g sodium carbonate were refluxed in 20 ml ethanol overnight, concentrated and diluted with 50 ml of water.. The mixture was extracted three times with 50 ml of ethyl acetate and the organic extracts combined, washed with 20 ml of brine, dried over anhydrous sodium sulfate and concentrated to dryness.. The solid was chromatographed on a column of silica gel (ethyl acetate:hexane (1:1) containing 0.7percent acetic acid) to give 1.2 g (37percent yield) of the title compound as a beige solid.

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, 6-Aminoindolin-2-one, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; Sugen, Inc.; US6350754; (2002); B2;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem

Adding a certain compound to certain chemical reactions, such as: 60434-13-1, name is 5-Chloro-1-methylindoline-2,3-dione, 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 60434-13-1, SDS of cas: 60434-13-1

General procedure: A solution of N-methylisatin (81 mg, 0.5 mmol), phenylacethylene (77 mg, 0.75 mmol), CuI (19 mg, 0.1 mmol), and Cs2CO3 (245 mg, 0.75 mmol) in CH3CN (1.0 mL) was stirred at room temperature for 18 h. After aqueous extractive work up and column chromatographic purification process (CH2Cl2/EtOAc, 15:1) 1a was obtained as a pale yellow soild, 81 mg (61%). Other compounds were prepared similarly, and the spectroscopic data of unknown compounds 1b, 1d, and 1e are as follows.

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, 5-Chloro-1-methylindoline-2,3-dione, other downstream synthetic routes, hurry up and to see.

Reference:
Article; Roh, Hwa Jung; Lim, Jin Woo; Ryu, Ji Yeon; Lee, Junseong; Kim, Jae Nyoung; Tetrahedron Letters; vol. 57; 38; (2016); p. 4280 – 4283;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem

Application of 317-20-4,Some common heterocyclic compound, 317-20-4, name is 7-Fluoroisatin, molecular formula is C8H4FNO2, 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.

7-fluoro-3-(hydroxyimino)indoline-2-one7-fluoroindoline-2,3-dione (5 g, 30.28 mmol) was taken up in ethanol (70 mL). Hydroxylamine hydrochloride (3.13 g, 45.04 mmol) was added in one portion and this mixture was heated in a 105 C. oil bath. Reflux at that temperature was continued for 2.5 hours. The mixture was cooled to room temperature and poured into 5 times its volume of water. The resulting yellow precipitate was filtered and washed with water. This solid was dried at 70 C. under vacuum. Reducing the volume of filtrate in a rotoevaporator and allowing the liquor to stand overnight at room temperature formed a second crop. The resulting solid was filtered and washed with water. This second sample was dried at 70 C. under vacuum. These two crops were combined to afford the 7-fluoro-3-(hydroxyimino)indoline-2-one as a yellow solid (4.19 g, 23.26 mmol, 77% yield). 1H NMR (500.333 MHz, DMSO) delta 13.50 (s, 1H), 11.18 (s, 1H), 7.80 (d, J=7.5 Hz, 1H), 7.29 (dd, J=9.2, 9.4 Hz, 1H), 7.04 (m, 1H). MS APCI, m/z=181 (M+H). HPLC 1.20 min.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 7-Fluoroisatin, its application will become more common.

Reference:
Patent; ASTRAZENECA AB; US2008/318943; (2008); A1;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem

Reference of 446292-07-5,Some common heterocyclic compound, 446292-07-5, name is (R)-2-(2-Hydroxy-3-((4-(3-oxomorpholino)phenyl)amino)propyl)isoindoline-1,3-dione, molecular formula is C21H21N3O5, 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.

Example 1 : Preparation of 2-({(5S)-2-oxo-3-[4-(3-oxo-4-morpholinyl)phenyl]-l,3-oxazolidin- 5-yl}methyl)-lH-isoindol-l,3(2H)-dione, the compound of formula I(2R)-2-Hydro y-3-[4-(3-oxo-4-mophiholinyl)phenyl]amino-propyl-lH-isoindol-l ,3(2H)- dione (10.0 g; 25 mmol), the compound of formula III, containing 1.0 % of the (2S)-isomer was charged into a flask and tetrahydrofuran (200 ml) was added. NN-carbonyldiimidazole (4.1 g; 25 mmol) was added to the stirred mixture. The mixture was heated up to boil and refluxed for 5 hours.The white suspension was cooled to the temperature of 20C, stirred for 1.5 hours, aspirated and washed with tetrahydrofuran (50 ml). The product was poured into a flask with 2- methoxyethanol (175 ml). The mixture was heated up to boil and stirred until dissolution. Active carbon (0.5 g) was added to the solution and filtered off while hot after 10 minutes and washed with 2-methoxyethanol (10 ml). The solution was cooled to the laboratory temperature and stirred for 1 hour. The resulting crystals were aspirated and washed with methanol (100 ml). The aspirated product was dried in a vacuum drier at a temperature up to 60C. 9 g (85 % of theory) of 2-({(5S)-2-oxo-3-[4-(3-oxo-4-morpholinyl)phenyl]-l ,3-oxazolidin-5-yl} methyl)- lH-isoindol- l ,3(2H)-dione with the isomeric purity of 99.98% were obtained, HPLC purity 99.7%, m. p. = 221 – 223 C. The polymorphous structure of the compound (I) was also characterized with the X-ray powder diffraction (Fig. 1) with the characteristic 2 theta angles 4.63; 12.00; 13.9; 15.3; 15.87 and 24.55.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route (R)-2-(2-Hydroxy-3-((4-(3-oxomorpholino)phenyl)amino)propyl)isoindoline-1,3-dione, its application will become more common.

Reference:
Patent; FARMAK, A.S.; URBASEK, Miroslav; HRADIL, Pavel; GREPL, Martin; FIALOVA, Petra; OREMUS, Vladimir; SLEZAR, Petr; WO2012/41263; (2012); A2;,
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. 954-81-4, name is N-(5-Bromopentyl)phthalimide, A new synthetic method of this compound is introduced below., name: N-(5-Bromopentyl)phthalimide

To a stirred solution of compound 14-k (80 g, 0.27 mol) in DMF (745 mL) was added potassium thioacetate (34 g, 0.29 mol) portion wise over 20 mm at room temperature. After complete addition, the reaction mixture was stirred at room temperature for 30 mm. Reaction progress was monitored by TLC; after completion the reaction mixture was quenched with ice-cold water (1 L) and stirred for 1 h. The resultant precipitate was filtered, washed with water (500 mL) and dried in vacuo to afford 15-k as an off-white solid (75 g, 95%). ?H NMR (400 MHz, CDC13): 7.84 (dd, J= 5.5 Hz, 3.0 Hz, 2H), 7.71 (dd, J 5.5 Hz, 3.1 Hz, 2H), 3.67 (t, J 7.3 Hz, 2H), 2.85 (t, J 7.3 Hz, 2H), 2.30 (s, 3H), 1.73-1.65 (m, 3H), 1.64-1.57 (m, 1H), 1.46-1.37 (m, 2H);LC-MS: 292.2 (M+1).

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; CV6 THERAPEUTICS (NI) LIMITED; SPYVEE, Mark; LEWIS, Michael; (300 pag.)WO2018/98204; (2018); A1;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem

Application of 56341-37-8,Some common heterocyclic compound, 56341-37-8, name is 6-Chlorooxindole, molecular formula is C8H6ClNO, 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.

Under argon atmosphere, 3,5-bis(trifluoromethyl)phenylisocyanate(255mg, 1.0mmol) was dissolved in tetrahydrofuran(5mL). A solution of 6-chloro-oxindole(184mg, 1.1mmol) in tetrahydrofuran(5ml) and triethylamine(0.3mL) were added, and the mixture was stirred at room temperature for 4 hours. The reaction mixture was poured into diluted hydrochloric acid and extracted with ethyl acetate. After the organic layer was washed with water and brine, dried over anhydrous magnesium sulfate, the residue obtained by evaporation under reduced pressure was purified by chromatography on silica gel(n-hexane:ethyl acetate=4:1) to give the title compound(172.2mg, 40.7%) as a pink solid.1H-NMR(DMSO-d6): delta 3.97(2H, s), 7.29(1H, dd, J=8.1, 2.1Hz), 7.41(1H, d, J=8.1Hz), 7.88(1H, s), 8.04(1H, d, J=2.1Hz), 8.38(2H, s), 10.93(1H, s).

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

Reference:
Patent; Institute of Medicinal Molecular Design, Inc.; EP1514544; (2005); A1;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem

Application of 2436-29-5, 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. 2436-29-5, name is 3-(1,3-Dioxoisoindolin-2-yl)propanal belongs to indolines-derivatives compound, it is a common compound, a new synthetic route is introduced below.

B] Preparation of compound 1-B; 0.38 g (0.99 mmol) of compound 1-A is dissolved in 15 ml methanol and 0.26 g (1.28 mmol) of 3-(l,3-dioxo-l,3-dihydroisoindol-2-yl)-propionaldehyde, 0.1 ml acetic acid and 0.125 g (1.98 mmol) OfNaBH3CN are added to the solution. The mixture is stirred at 28C for 3.5 hours and the solvent is subsequently evaporated. The crude product is purified by column chromatography on silica gel (petroleum ether(ethyl acetate 10:1 -> 5:1) to give 380 mg (65%) of the desired product as a light yellow solid.

The synthetic route of 3-(1,3-Dioxoisoindolin-2-yl)propanal has been constantly updated, and we look forward to future research findings.

Reference:
Patent; BASILEA PHARMACEUTICA AG; KELLENBERGER, Johannes, Laurenz; DREIER, Juerg; WO2011/18510; (2011); A1;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem

These common heterocyclic compound, 317-20-4, name is 7-Fluoroisatin, 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. SDS of cas: 317-20-4

Potassium Hydroxide (1.58 g; 28.16 mmol; 3.1 eq.)was added portion wise to a solution of 7-Fluoro-1H-indole-2,3-dione(1.50 g; 9.08 mmol; 1.0 eq.) in acetone (1.0 mL; 13.63 mmol; 1.5 eq.), ethanol (4.50 mL) and water (1.50 mL) in a microwave tube. The reaction was placed in a microwave oven and heated at 100C for 20 min. The reaction mixture was concentrated under vacuum. Water was added followed by a 5N solution of hydrochloric acid until the pH of the solution reached 4. The suspension was then filtered and the solid obtained dried. 8-fluoro-2-methylquinoline-4-carboxylic acid (1.60 g; 85%) was isolated as a brown solid. MS(ES+) m/z 206 (MH+).

The synthetic route of 7-Fluoroisatin has been constantly updated, and we look forward to future research findings.

Reference:
Article; Boiteau, Jean-Guy; Ouvry, Gilles; Arlabosse, Jean-Marie; Astri, Stephanie; Beillard, Audrey; Bhurruth-Alcor, Yushma; Bonnary, Laetitia; Bouix-Peter, Claire; Bouquet, Karine; Bourotte, Marilyne; Cardinaud, Isabelle; Comino, Catherine; Deprez, Benoit; Duvert, Denis; Feret, Angelique; Hacini-Rachinel, Feriel; Harris, Craig S.; Luzy, Anne-Pascale; Mathieu, Arnaud; Millois, Corinne; Orsini, Nicolas; Pascau, Jonathan; Pinto, Artur; Piwnica, David; Polge, Gaelle; Reitz, Arnaud; Reverse, Kevin; Rodeville, Nicolas; Rossio, Patricia; Spiesse, Delphine; Tabet, Samuel; Taquet, Nathalie; Tomas, Loic; Vial, Emmanuel; Hennequin, Laurent F.; Bioorganic and Medicinal Chemistry; vol. 26; 4; (2018); p. 945 – 956;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem