Category: indolines-derivatives

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. 7699-18-5, name is 5-Methoxyindolin-2-one belongs to indolines-derivatives compound, it is a common compound, a new synthetic route is introduced below. category: indolines-derivatives

General procedure: An oven-dried flask was charged with stir bar, oxindole (0.5 mmol), PIDA (0.25 mmol) in dry acetonitrile (4.0 mL). Then to the reaction mixture TEMPO (0.5 mmol) was added in presence of air and the mixture was stirred at room temperature until complete conversion takes place as indicated by TLC analysis. The resulting reaction mixture was extracted with ethyl acetate (3 10 mL). The combined organics were dried with Na2SO4 and dried under vacuum to afford crude solid. Then the crude product was purified by column chromatography on silica gel.

The synthetic route of 7699-18-5 has been constantly updated, and we look forward to future research findings.

Reference:
Article; Sai Prathima, Parvathaneni; Bikshapathi, Raktani; Rao, Vaidya Jayathirtha; Tetrahedron Letters; vol. 56; 46; (2015); p. 6385 – 6388;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem

Related Products of 14192-26-8, 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. 14192-26-8, name is Methyl 2-oxoindoline-6-carboxylate belongs to indolines-derivatives compound, it is a common compound, a new synthetic route is introduced below.

To N, N-dimethylformamide (1000 ml) were added methyl 2-oxindole-6-carboxylate (100.0 g), benzoic acid methyl ester (78.3 g) and potassium carbonate (180.7 g) were added and stirred at room temperature for 3 hours. N- (4-aminophenyl) -N-methyl-2- (134.5g). After stirring at room temperature for 4 hours, the reaction mixture was poured into water (3000ml), stirred for 30 minutes, filtered and recrystallized from methylene chloride / methanol (10: 4 by volume) and dried to give 257.8g of crystals Compound. (89.7% yield).

The synthetic route of Methyl 2-oxoindoline-6-carboxylate has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Beijing Kanglisheng Pharmaceutical Development Co., Ltd.; Cheng Gang; (12 pag.)CN104844499; (2017); B;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem

261732-38-1, name is tert-Butyl 5-bromoindoline-1-carboxylate, 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. Quality Control of tert-Butyl 5-bromoindoline-1-carboxylate

Part 2. To a solution of N-Boc-5-bromoindoline (104 mg, 0.35 mmol) in 5 ml of anhydrous dioxane were added the boronic acid from Example 19 (100 mg, 0.39 mmol), cesium carbonate (228 mg, 0.7 mmol) and tris(dibenzylideneacetone)dipalladium(0)-chloroform adduct (10 mg, 0.01 mmol). The reaction flask was thoroughly flushed with argon, and tri-tert-butylphosphine (0.006 mL, 0.025 mmol) was added via syringe. The reaction was heated to 80 C. and stirred overnight. The reaction was then cooled to room temperature, diluted with 25 mL of diethyl ether, flushed through a pad of Celite and concentrated in vacuo to give a brown residue. This residue was subjected to flash column chromatography on silica gel using 25% ethyl acetate in hexane to give the desired biphenylamine (150 mg, 100%) as a light brown oil after drying. 1H NMR (CDCl3) delta: 1.02 (s, 9H); 1.22 (s, 9H); 3.10-3.15 (t, 2H); 4.02, (t, 2H); 7.25-8.14 (m, 7H).

The synthetic route of 261732-38-1 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Millennium Pharmaceuticals, Inc.; US6534535; (2003); B1;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem

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. 7477-63-6, name is 7-Chloroisatin belongs to indolines-derivatives compound, it is a common compound, a new synthetic route is introduced below. Formula: C8H4ClNO2

General procedure: In a 25 mL round bottom flask, isatins 1 (1 mmol), 3-phenylisoxazol-5(4H)-one 2 (1 mmol) or 3-ethylisoxazol-5(4H)-one 7 (1 mmol), pyrazol-5-amine 3 (1 mmol) or 6-aminopyrimidine-2,4-(1H,3H)-dione 5 (1 mmol), and Amberlyst-15 (100 mg) were stirred in CH3OH (5.0 mL) at 80 C. When the reaction was completed (detected by TLC), the spherical catalyst was separated by a sieve at once under hot condition. Then, the reaction mixture was cooled to room temperature, and solid precipitation occurred. After filtration, the crude product was recrystallized from EtOH and DMF to give pure compound.

The synthetic route of 7477-63-6 has been constantly updated, and we look forward to future research findings.

Reference:
Article; Niu, Qingqing; Xi, Junhua; Li, Lei; Li, Li; Pan, Chengli; Lan, Meijun; Rong, Liangce; Tetrahedron Letters; vol. 60; 43; (2019);,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem

Application of 132898-96-5, The chemical industry reduces the impact on the environment during synthesis 132898-96-5, name is 2,3-Dioxoindoline-5-sulfonyl chloride, I believe this compound will play a more active role in future production and life.

Step 3: 3,3-Dimethyl-8-{[(2S)-2-(phenoxymethyl)-2,3-dihydro-1H-indol-1-yl]sulfonyl }-3,4-dihydropyrimido[1,2-a]indol-10(2H)-one The title compound was prepared from 2,3-dioxo-2,3-dihydro-1H-indole-5-sulfonylchloride and (S)-2-phenoxymethyl-2,3-dihydro-1H-indole as a yellow foam according to a procedure similar to that of Example 12. NMR (400 Mz, DMSO-d6): consistent. MS: (ES-) m/z 500 [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, 2,3-Dioxoindoline-5-sulfonyl chloride, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; Wyeth; US2005/250798; (2005); A1;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem

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. 102359-00-2, name is 2-Oxoindoline-5-carboxylic Acid, This compound has unique chemical properties. The synthetic route is as follows., Computed Properties of C9H7NO3

General procedure: Aldehydes (1-5) (0.2 mmol) and oxindoles (7-11) (0.2 mmol) were dissolved in alcohol MeOH, EtOH, or tert-BuOH (1.5 ml). 3 droplets of piperidine were added to the solvents and the reaction mixture was stirred in a sealed vial at 60 – 70 C for 2 – 8 hours.

Chemical properties determine the actual use. Each compound has specific chemical properties and uses. We look forward to more synthetic routes in the future to expand reaction routes of 102359-00-2.

Reference:
Article; Nemes, Zoltan; Takacs-Novak, Krisztina; Voelgyi, Gergely; Valko, Klara; Beni, Szabolcs; Horvath, Zoltan; Szokol, Balint; Breza, Nora; Dobos, Judit; Szantai-Kis, Csaba; Illyes, Eszter; Boros, Sandor; Kok, Robbert Jan; ?rfi, Laszlo; Bioorganic and Medicinal Chemistry Letters; vol. 28; 14; (2018); p. 2391 – 2398;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem

Related Products of 132898-96-5, A common heterocyclic compound, 132898-96-5, name is 2,3-Dioxoindoline-5-sulfonyl chloride, molecular formula is C8H4ClNO4S, 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.

General procedure: A stirred solution of N-Boc protected pyrrolidine (1.00 mmol) in dry DCM (2.2 mL) at 0 C under argon atmosphere was treated dropwise with TFA (10.00 mmol). Stirring was continued at 0 C for 30 min and at ambient temperature for 2 h. Subsequently, the solution was poured to ice-cooled 10% aq NaOH (15 mL) and extracted with DCM (3 × 15 mL). The combined organic phase was dried over MgSO4 and concentrated in vacuo to obtain a colorless oil as the corresponding unprotected pyrrolidine. After that a solution of the free pyrrolidine and DIPEA (2.00 mmol) in CHCl3 (1.1 mL) was added dropwise to a stirred solution of 5-chlorosulfonyl isatin (1.50 mmol) in CHCl3/THF (1:1, 19 mL) at room temperature. The resulting solution was stirred at room temperature for 1 h and the solvent was completely removed in vacuo. The crude product was purified by flash column chromatography to obtain the corresponding inhibitors.

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:
Article; Limpachayaporn, Panupun; Schaefers, Michael; Schober, Otmar; Kopka, Klaus; Haufe, Guenter; Bioorganic and Medicinal Chemistry; vol. 21; 7; (2013); p. 2025 – 2036;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem

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. 17702-83-9, name is 2-(8-Bromooctyl)isoindoline-1,3-dione belongs to indolines-derivatives compound, it is a common compound, a new synthetic route is introduced below. Product Details of 17702-83-9

General procedure: 0.91 g (3.6 mmol) N-(2 -bromoethyl) phthalimide was dissolved 20 mL DMF, added 0.53 g (3 mmol)1-benzylpiperazine, 0.62 g (4.5 mmol) K2CO3, heated to 60-70 °C reacted for 4 h, TLC detection, until the benzylpiperazinewas complete reaction. 30 mL of water was added, extracted three times withethyl acetate (20 mL× 3), the organic layer was extracted four times (30mL × 4)with saturated brine, dried with anhydrous magnesium sulfate, and the solventwas distilled off under reduced pressure, cooled to room temperature, silicagel column chromatography (100-200 mesh silica gel, eluent petroleum ether:ethyl acetate = 1:1 – 1: 4) to give 0.7 g (67percent yield) as a white solid. #10;

The synthetic route of 17702-83-9 has been constantly updated, and we look forward to future research findings.

Reference:
Article; Si, Weijie; Zhang, Tao; Zhang, Lanxiang; Mei, Xiangdong; Dong, Mengya; Zhang, Kaixin; Ning, Jun; Bioorganic and Medicinal Chemistry Letters; vol. 26; 9; (2016); p. 2380 – 2382;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem

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. 6941-75-9, name is 5-Bromoisoindoline-1,3-dione belongs to indolines-derivatives compound, it is a common compound, a new synthetic route is introduced below. Quality Control of 5-Bromoisoindoline-1,3-dione

To a solution of hydroxyproline tripeptide precursor (200 mgs, 0.359mmol) in 4 mL of DMF at room temperature was added 4-bromophthalimide(97 mgs, 0.430 mmol) and triphenyl phosphine (206 mgs, 0.789 mmol).Sonicate until dissolved and add DIAD (152 uL, 0.789 mmol). Stir at roomtemperature overnight. Remove solvent under reduced pressure and extractwith ethyl acetate and water. ‘Separate the layers and dry over MgSCu, filterand strip. Purify using silica gel chromatography eluting (10 -100% ethylacetate in hexane). Further purify on reverse phase HPLC (ACN/Water) toafford 102 as a white solid (98 mgs, 36%). 1H NMR (300 MHz, CDCls): 5 7.95(s, 1H), 7.88 (d, J=7.9 Hz, 1H), 7.71 (d, J= 7.7 Hz, 1H), 7.65 (s, 1H), 7.43 (s, 1H),6.03 (m, 1H), 5.37 (d, J= 15.5 1H), 5.31-5.07 (bs, 5H), 4.91 (m, 1H), 4.77 (m, 1H),4.23-4.03 (bs, 7H), 3.81 (t, J= 7.9Hz, 1H), 2.75 (m, 2H), 2.01 (m, 1H), 1.68-1,50(bs, 8H), 1.30 (q, J= 7.0 Hz, 6H), 1.10 (s, 1H), 0.99 (s, 9H). 31P NMR (300 MHz,CDCls): 8 22.92 (s, IP), 22.75 (s, IP). LC/MS: 766 (M++ 1).

The synthetic route of 6941-75-9 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; GILEAD SCIENCES, INC.; WO2006/20276; (2006); A2;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem

Electric Literature of 611-09-6, The chemical industry reduces the impact on the environment during synthesis 611-09-6, name is 5-Nitroindoline-2,3-dione, I believe this compound will play a more active role in future production and life.

General procedure: Isatin 1 (3 mmol), 0.198 g malononitrile (3 mmol),0.420 g dimedone (3 mmol), and 0.025 g sodium acetate(0.3 mmol) were grinded with the pestle in mortar atambient temperature for 15 min. The resulting mixture wasair dried. Crude solid was then put on filter, rinsed withwater (2 9 2 cm3), and dried with water pump.

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-Nitroindoline-2,3-dione, other downstream synthetic routes, hurry up and to see.

Reference:
Article; Elinson, Michail N.; Ryzhkov, Fedor V.; Zaimovskaya, Tatiana A.; Egorov, Mikhail P.; Monatshefte fur Chemie; vol. 147; 4; (2016); p. 755 – 760;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem