Continuously updated synthesis method about 6-Chloro-5-(2-chloroethyl)indolin-2-one

At the same time, in my other blogs, there are other synthetic methods of this type of compound, 6-Chloro-5-(2-chloroethyl)indolin-2-one, and friends who are interested can also refer to it.

Related Products of 118289-55-7, As we all know, there are many different methods for the synthesis of a compound, and people can choose the synthesis method that suits their own laboratory according to the actual situation. 118289-55-7 name is 6-Chloro-5-(2-chloroethyl)indolin-2-one, This compound is widely used in many fields, so it is necessary to find a new synthetic route. The downstream synthesis method of this compound is introduced below.

General procedure: Equimolar mixture of 6-chloro-5-(2-chloroethyl)-1,3-dihydro-2H-indol-2-one 1 (1.00mol) and the carbonyl compound (4i-x) (1.00mol) was stirred at RT in methanol (10mL) for 2h in presence of potassium carbonate (1.20mol). After completion, the reaction mass was filtered to remove inorganic salt, added methanol (10-20mL) and activated charcoal to the filtrate and stirred for 1hr. The crude product was filtered to remove charcoal, methanol was evaporated and cooled to 0-5C to get crude solid. Recrystallized using aqueous ethanol or methanol (Yield 60-70%).

At the same time, in my other blogs, there are other synthetic methods of this type of compound, 6-Chloro-5-(2-chloroethyl)indolin-2-one, and friends who are interested can also refer to it.

Discovery of 6-Chloro-5-(2-chloroethyl)indolin-2-one

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 6-Chloro-5-(2-chloroethyl)indolin-2-one, its application will become more common.

Reference of 118289-55-7,Some common heterocyclic compound, 118289-55-7, name is 6-Chloro-5-(2-chloroethyl)indolin-2-one, molecular formula is C10H9Cl2NO, 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 mixture of 6-chloro-5-(2-chloroethyl)-1,3-dihydro-2H-indol-2-one 1 (1.00mol), potassium carbonate (1.20mol), secondary amine (2a-h, 1.30mol) in water (10mL) was refluxed until completion (TLC, about 24-48h) and the reaction mass was cooled to RT and then extracted with DCM to get crude 3a-h. Recrystallized using aqueous acetone or aqueous ethanol or methanol (Yield 55-70%).

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 6-Chloro-5-(2-chloroethyl)indolin-2-one, its application will become more common.

The important role of 6-Chloro-5-(2-chloroethyl)indolin-2-one

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. 118289-55-7, name is 6-Chloro-5-(2-chloroethyl)indolin-2-one, A new synthetic method of this compound is introduced below., Product Details of 118289-55-7

Example 42 6-chloro-5-(2-(4-(thieno[2,3-c]pyridin-4-yl)piperazin-1-yl)ethyl)indolin-2-one The product of Reference Example 26 (200 mg, 0.632 mmol), 6-chloro-5-(2-chloroethyl)indolin-2-one (160 mg, 0.695 mmol), potassium carbonate (218 mg, 1.58 mmol), potassium iodide (157 mg, 0.948 mmol) were added to acetonitrile (7.5 ml) and the mixture was stirred at 80 C. overnight. The reaction mixture was concentrated and subjected to column chromatography to obtain a white solid (25 mg, yield: 8.7%). 1H-NMR (300 Hz, DMSO-d6): delta ppm 10.41 (s, 1H), 8.89 (s, 1H), 8.04 (m, 2H), 7.51 (d, 1H), 7.23 (s, 1H), 6.81 (s, 1H), 3.46 (s, 2H), 3.18 (brs, 4H), 2.85 (t, 2H), 2.71 (brs, 4H), 2.56 (t, 2H). ESI-MS (m/z): 413.3 [M+H]+.

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; SHANGHAI INSTITUTE OF MATERIA MEDICA, CHINESE ACADEMY OF SCIENCES; SUZHOU VIGONVITA LIFE SCIENCES CO., LTD.; TOPHARMAN SHANDONG CO., LTD.; JIANG, Hualiang; WANG, Zhen; LI, Jianfeng; ZHANG, Rongxia; HE, Yang; LIU, Yongjian; BI, Minghao; LIU, Zheng; TIAN, Guanghui; CHEN, Weiming; YANG, Feipu; WU, Chunhui; WANG, Yu; JIANG, Xiangrui; YIN, Jingjing; WANG, Guan; SHEN, Jingshan; (70 pag.)US2017/158680; (2017); A1;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem

Continuously updated synthesis method about 6-Chloro-5-(2-chloroethyl)indolin-2-one

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 118289-55-7, its application will become more common.

Some common heterocyclic compound, 118289-55-7, name is 6-Chloro-5-(2-chloroethyl)indolin-2-one, molecular formula is C10H9Cl2NO, 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. COA of Formula: C10H9Cl2NO

119 ml (90.1 g, 0.698 mols, 3.21 molar equivalents) of N,N-diisopropylethylamine, 500 ml of acetonitrile and 55.8 g (0.218 mols, 1.0 molar equivalents) of 3-(l- piperazinyl) -1, 2-benzisothiazole hydrochloride (addition salt of compound of formula (III) and hydrochloric acid) are added into a beaker equipped with a magnetic stirrer. The resulting suspension is stirred for 10 minutes. At this point 50 g (0.217 mols, 1.0 molar equivalent) of 5- (2-chloroethyl) -6-chloro-l, 3-dihydro-indole-2- (2H) -one (Compound of formula (II) wherein X is chlorine) and 0.26 g (1.174 mmols, 0.008 molar equivalents) of NaI are added. The resulting brown suspension is charged into a 1 L reactor vessel, which is heated to 121-122 C (internal pressure increases to 200 kPa) for 25 hours. The reaction is cooled to room temperature and filtered. The solid is washed with acetonitrile, and 56 g of a wet solid are obtained. –> The resulting wet solid is stirred with 4 volumes of water at reflux temperature for 1 h to remove inorganic salts. The suspension is cooled to room temperature and filtered. The solid is washed with water. Ziprasidone base is obtained in 56% molar yield and the purity is 97.8% by HPLC.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 118289-55-7, its application will become more common.

Reference:
Patent; MEDICHEM, S.A.; WO2006/34964; (2006); A1;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem

Continuously updated synthesis method about 6-Chloro-5-(2-chloroethyl)indolin-2-one

The synthetic route of 118289-55-7 has been constantly updated, and we look forward to future research findings.

Synthetic Route of 118289-55-7, A common heterocyclic compound, 118289-55-7, name is 6-Chloro-5-(2-chloroethyl)indolin-2-one, molecular formula is C10H9Cl2NO, 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.

Example 2; The mixture of methylene chloride (130 ml) and 1-(1,2-Benzisothiazol-3- yl)piperazine (9.5 gm) is stirred for 10 minutes, triethylamine (17 ml) is added drop wise for 15 minutes at 25 – 300C and then tetrabutyl ammonium bromide (4 gm) is added. Then trimethylsilyl chloride (9.5 ml) is added to the contents drop EPO wise for 20 minutes and stirred for 1 hour. The reaction mass is heated to 400C and methylene chloride is distilled off under vacuum. Then the reaction mass is cooled to 300C, dimethylformamide (75 ml) is added and stirred for 15 minutes. The reaction mass is filtered on hi-flo and washed with 50 ml of dimethyl formamide.The mixture of 5-(2-Chloroethyl)-6-chloro-oxindole (10 gm), water (25 ml), dimethyl formamide (35 ml) and sodium carbonate (10 gm) is heated to 1100C and to this mixture, above filtrate is slowly added drop wise at same temperature for 30 minutes. Then the reaction mass is stirred until completion of the reaction and then cooled to 300C. The reaction mass is added to chilled water (500 ml) and stirred for 20 minutes. The solid is filtered, slurried in isopropyl alcohol (200 ml). Then the solid is filtered, washed with isopropyl alcohol (100 ml), the solid is again slurried in isopropyl alcohol at reflux and refluxed for 1 hour. Then resulting solid is filtered at reflux point and washed with isopropyl alcohol (60 ml) to give 10 gm of ziprasidone (HPLC purity: 99.05%)..

The synthetic route of 118289-55-7 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; HETERO DRUGS LIMITED; WO2006/80025; (2006); A1;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem

New learning discoveries about 6-Chloro-5-(2-chloroethyl)indolin-2-one

According to the analysis of related databases, 118289-55-7, the application of this compound in the production field has become more and more popular.

Application of 118289-55-7, 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 118289-55-7 as follows.

100.0 g of 6-Chloro-5-(2-chloroethyl) oxindole, 133.39 g of 3-(l-Piperazinyle)- 1,2-benzisothiazole hydrochloride, 105.94 g of sodium carbonate and 1500 mL of water were taken in round bottom flask and heated to 1000C to HO0C for 24-26 hours. The reaction mixture was cooled and maintained for 30 min. The solid was filtered and washed with water. The wet solid was further slurried with water followed by adjusting the pH of the reaction mass with dilute acetic acid to 6.0 to 7.5 and maintain the reaction mass for 1-2 hours. The solid was filtered and washed with water. The wet solid was treated with isopropanol 1100 mL in round bottom flask and heated at 750C to 850C for 2 hours. The reaction mixture was cooled, the obtained solid was filtered and washed with isopropanol. The wet solid was dried at 6O0C to 650C for 8-10 hours to obtain crude Ziprasidone base.

According to the analysis of related databases, 118289-55-7, the application of this compound in the production field has become more and more popular.

Reference:
Patent; CADILA HEALTHCARE LIMITED; SHAH, Niraj, Shyamlal; DWIVEDI, Shriprakash, Dhar; WO2010/73255; (2010); A1;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem

Sources of common compounds: 6-Chloro-5-(2-chloroethyl)indolin-2-one

According to the analysis of related databases, 118289-55-7, the application of this compound in the production field has become more and more popular.

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. 118289-55-7, name is 6-Chloro-5-(2-chloroethyl)indolin-2-one, This compound has unique chemical properties. The synthetic route is as follows., Recommanded Product: 118289-55-7

EXAMPLE 3; 5-(2-(4-Benzo[d]isothiazol-3-yl)piperazin-1-yl)ethyl)-6-chloro-1,3-dihydro-2H-indol-2-one hydrochloride. (I); A reactor is loaded with 131 g (0.57 mol) of 6-chloro-5-(2-chloro-ethyl)-1,3-dihydro-indol-2-one, 125 g (0.57 mol) of piperazinyl benzoisothiazole, 260 ml of dimethylsulfoxide, 26 ml of water and 4.3 g (0.0285 mols) of Nal. The reaction mixture is added with 103 g (0.969 mol) of Na2CO3, with stirring under nitrogen atmosphere. The resulting mixture is heated to about 115-125 C. in 1 h and kept at said temperature under stirring for approx. 1 hr 45 min, then cooled and slowly added in about 25 min with isopropyl alcohol (650 ml), at a temperature of about 110 C., then slowly cooled at 25 C. The filtrate and the precipitate are washed with isopropyl alcohol (2¡Á130 ml) to obtain 310 g of 5-(2-(4-benzo[d]isothiazol-3-yl) piperazin- 1-yl)ethyl)-6-chloro- 1,3-dihydro-2H-indol-2-one free base, as a crystalline solid. The resulting product is placed in a 3 L beaker with 1500 ml of purified water, and 150 ml of 32% HCl are dropped therein with stirring. The reaction mixture is kept under stirring for 10 min, filtered, washed with purified water (2¡Á500), dried to give 260 g of 5-(2-(4-benzo[d]isothiazol-3-yl) piperazin- 1-yl)ethyl)-6-chloro- 1,3-dihydro-2H-indol-2-one hydrochloride, as a crystalline solid.

According to the analysis of related databases, 118289-55-7, the application of this compound in the production field has become more and more popular.

Reference:
Patent; DIPHARMA S. P. A.; LUNDBECK PHARMACEUTICALS ITALY S. P. A.; US2007/117810; (2007); A1;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem

The important role of 118289-55-7

Statistics shows that 6-Chloro-5-(2-chloroethyl)indolin-2-one is playing an increasingly important role. we look forward to future research findings about 118289-55-7.

Reference of 118289-55-7, These common heterocyclic compound, 118289-55-7, name is 6-Chloro-5-(2-chloroethyl)indolin-2-one, 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 mixture of 6-chloro-5-(2-chloroethyl)-1,3-dihydro-2H-indol-2-one 1 (1.00mol), potassium carbonate (1.20mol), secondary amine (2a-h, 1.30mol) in water (10mL) was refluxed until completion (TLC, about 24-48h) and the reaction mass was cooled to RT and then extracted with DCM to get crude 3a-h. Recrystallized using aqueous acetone or aqueous ethanol or methanol (Yield 55-70%).

Statistics shows that 6-Chloro-5-(2-chloroethyl)indolin-2-one is playing an increasingly important role. we look forward to future research findings about 118289-55-7.

Reference:
Article; Meti, Gangadhar Y.; Kamble, Atulkumar A.; Kamble, Ravindra R.; Somagond, Shilpa M.; Devarajegowda; Kumari, Sandhya; Kalthur, Guruprasad; Adiga, Satish K.; European Journal of Medicinal Chemistry; vol. 121; (2016); p. 221 – 231;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem

The important role of 118289-55-7

The synthetic route of 118289-55-7 has been constantly updated, and we look forward to future research findings.

Related Products of 118289-55-7, A common heterocyclic compound, 118289-55-7, name is 6-Chloro-5-(2-chloroethyl)indolin-2-one, molecular formula is C10H9Cl2NO, 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.

Example 37 5-(2-(4-(benzo[b]thiophen-4-yl)piperidin-1-yl)ethyl)-6-chloroindolin-2-one The product of Reference Example 31 (120 mg, 0.553 mmol), 6-chloro-5-(2-chloroethyl)indolin-2-one (150 mg, 0.663 mmol), potassium carbonate (230 mg, 1.66 mmol), potassium iodide (90 mg, 0.553 mmol) and water (5 ml) were added to the flask. The mixture was stirred at 105 C. for 12 hours, cooled, filtered. The filter cake was slurried in acetonitrile and filtered to give the product (155 mg, yield: 58%). 1H-NMR (400 Hz, DMSO-d6): delta ppm 10.43 (s, 1H), 7.84 (d, 1H), 7.76 (d, 1H), 7.62 (d, 1H), 7.33 (t, 1H), 7.26 (d, 1H), 7.23 (s, 1H), 6.81 (s, 1H), 3.47 (s, 2H), 3.08 (d, 3H), 2.84 (t, 2H), 2.51 (m, 2H), 2.23 (t, 2H), 1.79 (m, 4H). ESI-MS (m/z): 411.3 [M+H]+.

The synthetic route of 118289-55-7 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; SHANGHAI INSTITUTE OF MATERIA MEDICA, CHINESE ACADEMY OF SCIENCES; SUZHOU VIGONVITA LIFE SCIENCES CO., LTD.; TOPHARMAN SHANDONG CO., LTD.; JIANG, Hualiang; WANG, Zhen; LI, Jianfeng; ZHANG, Rongxia; HE, Yang; LIU, Yongjian; BI, Minghao; LIU, Zheng; TIAN, Guanghui; CHEN, Weiming; YANG, Feipu; WU, Chunhui; WANG, Yu; JIANG, Xiangrui; YIN, Jingjing; WANG, Guan; SHEN, Jingshan; (70 pag.)US2017/158680; (2017); A1;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem

New learning discoveries about 118289-55-7

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 118289-55-7, its application will become more common.

Some common heterocyclic compound, 118289-55-7, name is 6-Chloro-5-(2-chloroethyl)indolin-2-one, molecular formula is C10H9Cl2NO, 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: 118289-55-7

General procedure: Equimolar mixture of 6-chloro-5-(2-chloroethyl)-1,3-dihydro-2H-indol-2-one 1 (1.00mol) and the carbonyl compound (4i-x) (1.00mol) was stirred at RT in methanol (10mL) for 2h in presence of potassium carbonate (1.20mol). After completion, the reaction mass was filtered to remove inorganic salt, added methanol (10-20mL) and activated charcoal to the filtrate and stirred for 1hr. The crude product was filtered to remove charcoal, methanol was evaporated and cooled to 0-5C to get crude solid. Recrystallized using aqueous ethanol or methanol (Yield 60-70%).

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 118289-55-7, its application will become more common.

Reference:
Article; Meti, Gangadhar Y.; Kamble, Atulkumar A.; Kamble, Ravindra R.; Somagond, Shilpa M.; Devarajegowda; Kumari, Sandhya; Kalthur, Guruprasad; Adiga, Satish K.; European Journal of Medicinal Chemistry; vol. 121; (2016); p. 221 – 231;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem