Category: 1127-59-9

Application of 1127-59-9, A common heterocyclic compound, 1127-59-9, name is 7-Methylindoline-2,3-dione, molecular formula is C9H7NO2, 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.

To a solution of potassium hydroxide (11.8 g, 211 mmol, 5 eq) in water (80 mL) was added 7-methylindoline-2,3-dione (6.8 g, 42.2 mmol, 1 eq) in ethanol (100 mL). The mixture was stirred at 76° C. then acetone (50 mL) was added. The mixture was heated to 76° C. for 3 days. Acetone and ethanol were removed under reduced pressure. Impurities were removed by extraction with dichloromethane. Aqueous layer was lyophilized to give 2,8-dimethylquinoline-4-carboxylic acid as a brown solid (7.05 g, 83percent).

The synthetic route of 1127-59-9 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; GALDERMA RESEARCH & DEVELOPMENT; OUVRY, Gilles; HARRIS, Craig Steven; BHURRUTH-ALCOR, Yushma; (65 pag.)US2017/247353; (2017); A1;,
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Application of 1127-59-9, The chemical industry reduces the impact on the environment during synthesis 1127-59-9, name is 7-Methylindoline-2,3-dione, I believe this compound will play a more active role in future production and life.

General procedure: A mixture of 1H-pyrazol-5-amin (1 mmol), isatin (1 mmol) and enolizable C ? H activated compound (1 mmol) in NDDES (1.5 ml)was stirred under microwave irradiation at 60°C for an appropriate time. The progress of the reaction was monitored by TLC. After completion of the reaction, the mixture was cooled to room temperature and cold water was added to the reaction mixture. The precipitated solid was isolated by filtration, washed with water and purified by recrystallization from ethanol.

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

Reference:
Article; Zhang, Wei-Hong; Chen, Meng-Nan; Hao, Yi; Jiang, Xin; Zhou, Xiao-Lin; Zhang, Zhan-Hui; Journal of Molecular Liquids; vol. 278; (2019); p. 124 – 129;,
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1127-59-9, name is 7-Methylindoline-2,3-dione, 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. category: indolines-derivatives

Preparation of 7-bromomethylisatin The 7-methylisatin (16.1 g, 0.1 mole) is suspended in dichloroethane (2000 ml) and the suspension is heated and irradiated with a high intensity light source to the reflux point. Bromine (24.3 g, 0.15 mole) is added dropwise over a one hour period. The solution is filtered hot and concentrated at reduced pressure to yield the product as an orange solid after washing with anhydrous diethyl ether. The product is purified using flash chromatography on silica (elution with 24:1 dichloromethane:diethyl ether) to afford after drying (at 60° C. at 0.1 mm); 7-bromomethylisatin, mp 199°-200° C. dec.

The synthetic route of 1127-59-9 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Warner-Lambert Company; US4530929; (1985); A;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem

Adding a certain compound to certain chemical reactions, such as: 1127-59-9, name is 7-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 1127-59-9, Quality Control of 7-Methylindoline-2,3-dione

General procedure: Isatin 1 (3 mmol), malononitrile (0.2 g, 3 mmol,), bicyclic CH-acid 2 (3 mmol) and sodium acetate (0.025 g, 0.3 mmol) in ‘solvent-free’ manner or with additive (‘on-solvent’ manner) were grinded with a pestle and mortar at ambient temperature for 15 minutes. After the reaction was finished, the mixture was air-dried. Then the crude solid was put on filter, rinsed with water (2 mL) and EtOH (2 mL), and then dried with a water pump to isolate the spiro-oxindole 3.

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

Reference:
Article; Elinson, Michail N.; Vereshchagin, Anatoly N.; Ryzhkov, Fedor V.; Anisina, Yuliya E.; Arkivoc; vol. 2018; 4; (2018);,
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Indoline | C8H9N – PubChem

Electric Literature of 1127-59-9,Some common heterocyclic compound, 1127-59-9, name is 7-Methylindoline-2,3-dione, molecular formula is C9H7NO2, 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: Isatin 1 (3 mmol), malononitrile (0.2 g, 3 mmol,), bicyclic CH-acid 2 (3 mmol) and sodium acetate (0.025 g, 0.3 mmol) in ‘solvent-free’ manner or with additive (‘on-solvent’ manner) were grinded with a pestle and mortar at ambient temperature for 15 minutes. After the reaction was finished, the mixture was air-dried. Then the crude solid was put on filter, rinsed with water (2 mL) and EtOH (2 mL), and then dried with a water pump to isolate the spiro-oxindole 3.

The synthetic route of 1127-59-9 has been constantly updated, and we look forward to future research findings.

Related Products of 1127-59-9,Some common heterocyclic compound, 1127-59-9, name is 7-Methylindoline-2,3-dione, molecular formula is C9H7NO2, 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: Isatin (0.5 g, 3.34 mmol) was added into a stirred solution ofKOH (0.56 g, 10.02 mmol) in ethanol 10 ml at 80 C. The reactionmixture was stirred at 0 C for 24 h. The mixture was added to50 g ice water. The pH was adjusted by the solution of 2 N HCl to4?5. The mixture was cooled overnight and filtered. The residuewas recrystallized by the mixture of petroleum/ethyl acetate(5:1). Compound 4 (0.8 g) was obtained and the yield was 96.87percent.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 7-Methylindoline-2,3-dione, its application will become more common.

Reference:
Article; Liao, Chen; Liu, Yan; Liu, Chunxia; Zhou, Jiaqi; Li, Huilan; Wang, Nasi; Li, Jieming; Liu, Taiyu; Ghaleb, Hesham; Huang, Wenlong; Qian, Hai; Bioorganic and Medicinal Chemistry; vol. 26; 4; (2018); p. 845 – 854;,
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Indoline | C8H9N – PubChem

Synthetic Route of 1127-59-9, 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. 1127-59-9, name is 7-Methylindoline-2,3-dione, This compound has unique chemical properties. The synthetic route is as follows.

General procedure: The chemical synthesis route of the target IBT compounds is illustrated in Scheme 1. The IBTs 3 were synthesized by the reaction of isatin 1 and N-phenylhydrazinecarbothioamide 2 in an aqueous solution of ethanol and acetic acid under reflux [22,23]. Generally, equivalent 1 and 2 was dissolved in a solution of acetic acid/water/alcohol solution, and then the mixture was refluxed for approximate 5-6 h. The reaction mixture was subsequently cooled to room temperature and in most cases a yellow or orange solid precipitated out. This precipitate was filtered, washed with water, and then dried to give a crude product. Recrystallization from ethanol gave pure solid in high yields. 4.2.18 (Z)-N-(4-Chlorophenyl)-2-(7-methyl-2-oxoindolin-3-ylidene)hydrazinecarbothioamide (3-18) Yield 77percent; m.p.: 251-253 ¡ãC; yellow solid; 1H NMR (DMSO-d6, 400 MHz), delta 12.91 (s, 1H, NNH), 11.35 (s, 1H, NH), 10.86 (s, 1H, SCNH), 7.69-7.63 (m, 3H, J = 6.4 Hz, Ar1-H4, Ar2-H3 and Ar2-H5), 7.51-7.43 (m, 2H, J = 7.6 Hz, Ar2-H2 and Ar2-H6), 7.22 (d, 1H J = 7.6 Hz, Ar1-H6), 7.05 (t, 1H J = 8.0 Hz, Ar1-H5), 2.26 (s, 3H, CH3); 13C NMR (DMSO-d6, 101 MHz), delta 176.3, 163.1, 141.2, 137.4, 132.9, 132.7, 130.0, 128.2, 127.2, 122.3, 120.5, 119.5, 118.1, 15.8; IR: (KBr, nu/cm-1), 3310 (NN-H), 3173 (CON-H), 3057 (Ar-H), 1696 (-CONH-), 1626 (C=N), 1595 and 1539 (Ar-C=C), 1209 (C=S), 1155 (N-N); Elemental analysis calculated for C16H13ClN4OS, C: 55.73, H: 3.80, N: 16.25, found C: 56.01, H: 4.10, N: 16.46; HRMS(MALDI) m/z: calculated. 345.0577, found 345.0565, [M + H]+.

The chemical industry reduces the impact on the environment during synthesis 7-Methylindoline-2,3-dione. I believe this compound will play a more active role in future production and life.

Reference:
Article; Zhang, Xu-Meng; Guo, Hui; Li, Zai-Shun; Song, Fu-Hang; Wang, Wei-Min; Dai, Huan-Qin; Zhang, Li-Xin; Wang, Jian-Guo; European Journal of Medicinal Chemistry; vol. 101; (2015); p. 419 – 430;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem

Some common heterocyclic compound, 1127-59-9, name is 7-Methylindoline-2,3-dione, molecular formula is C9H7NO2, 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: C9H7NO2

General procedure: To an ethanolic solution of triazole-hydrazide 5 (1.0mmol) was added equimolar amount of substituted Isatin (8a-i) and refluxed overnight at 80C. After completion of the reaction, crude obtained was filtered, washed with water to get Isatin-triazole hydrazones (9a-i) which was purified by column chromatography eluted with acetone: DCM (1:9) to afford the title compounds in moderate to good yield [53].

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 1127-59-9, its application will become more common.

Reference:
Article; Aneja, Babita; Khan, Nashrah Sharif; Khan, Parvez; Queen, Aarfa; Hussain, Afzal; Rehman, Md. Tabish; Alajmi, Mohamed F.; El-Seedi, Hesham R.; Ali, Sher; Hassan, Md. Imtaiyaz; Abid, Mohammad; European Journal of Medicinal Chemistry; vol. 163; (2019); p. 840 – 852;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem

1127-59-9, name is 7-Methylindoline-2,3-dione, 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. Product Details of 1127-59-9

Preparation of 7-bromomethylisatin The 7-methylisatin (16.1 g, 0.1 mole) is suspended in dichloroethane (2000 ml) and the suspension is heated and irradiated with a high intensity light source to the reflux point. Bromine (24.3 g, 0.15 mole) is added dropwise over a one hour period. The solution is filtered hot and concentrated at reduced pressure to yield the product as an orange solid after washing with anhydrous diethyl ether. The product is purified using flash chromatography on silica (elution with 24:1 dichloromethane:diethyl ether) to afford after drying (at 60¡ã C. at 0.1 mm); 7-bromomethylisatin, mp 199¡ã-200¡ã C. dec.

The synthetic route of 1127-59-9 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Warner-Lambert Company; US4582909; (1986); A;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem

Application of 1127-59-9, 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. 1127-59-9, name is 7-Methylindoline-2,3-dione belongs to indolines-derivatives compound, it is a common compound, a new synthetic route is introduced below.

Mg(ClO4)2 (0.1 g) was added to a mixture of isatin (2 mmol), and dimedone (4 mmol) in aqueousethanol solution (50percent, v/v, 5 mL), and the resulting mixture was stirred at 80¡ãC for 10?12 h. Upon completion of the reaction (TLC, Ethyl acetate/Petroleum ether = 1:4), the mixture was allowedto cool to room temperature. The resulting solid was filtered and washed successively with water(2 30 mL) and cold aqueous ethanol (2 1 mL) to afford a crude product, which was recrystallizedfrom EtOH to afford the pure product 3. Some insolubility could be observed in the refluxing ethanolduring the recrystallization process, which should be filtered when hot.

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

Reference:
Article; Chen, Chunfeng; Lv, Chunlei; Liang, Jianfeng; Jin, Jianqing; Wang, Lijun; Wu, Chunlei; Shen, Runpu; Molecules; vol. 22; 8; (2017);,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem