Category: 7147-90-2

Related Products of 7147-90-2, The chemical industry reduces the impact on the environment during synthesis 7147-90-2, name is 5-Chloroisoindoline-1,3-dione, I believe this compound will play a more active role in future production and life.

To a solution of 5-chloro-isoindole-l,3-dione (5.0 g, 27.5 mmol) in DCM (200 mL) was added ethylmagnesium chloride (2 M in THF, 41.3 mL) dropwise at 0 C. After the addition, the mixture was allowed to stir at 0 C for 3 hours before it was quenched with satd. aq. NH4C1 solution. After extraction with DCM, the organic layer was washed with brine, dried over anhy. Na2S04, filtered and concentrated in vacuo to give a crude product containing a mixture of two regioisomers (5.82 g, 100%). MS: 212.0 (M+H+).; Under N2 protection, triethylsilane (19.3 g, 166 mmol) and TFA (20 mL) were added successively to a mixture of 5-chloro-3-ethyl-3-hydroxy-2,3-dihydro-isoindol- 1 -one and 6- chloro-3-ethyl-3-hydroxy-2,3-dihydro-isoindol-l-one (3.52 g, 16.6 mmol). After stirring at room temperature for 2 hours, the reaction mixture was concentrated under reduced pressure. The residue was treated with a satd. aq. solution of NaHCC>3 (30 mL) and extracted with DCM (2 x 30 mL). The combined organic layers were washed with brine, dried over anhy. Na2S04, filtered and concentrated in vacuo to give a crude mixture of products. Both 5-chloro-3-ethyl-2,3-dihydro-isoindol-l-one (0.65 g, 20%) MS: 196.1 – 147 -(M+H+) and 6-chloro-3-ethyl-2,3-dihydro-isoindol-l-one (0.62 g, 19%) MS: 196.1 (M+H+) were obtained by prep-HPLC separation as white solids.

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-Chloroisoindoline-1,3-dione, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; F. HOFFMANN-LA ROCHE AG; AEBI, Johannes; AMREIN, Kurt; CHEN, Wenming; HORNSPERGER, Benoit; KUHN, Bernd; LIU, Yongfu; MAERKI, Hans P.; MAYWEG, Alexander V.; MOHR, Peter; TAN, Xuefei; WANG, Zhanguo; ZHOU, Mingwei; WO2013/79452; (2013); A1;,
Indoline – Wikipedia,
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Adding a certain compound to certain chemical reactions, such as: 7147-90-2, name is 5-Chloroisoindoline-1,3-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 7147-90-2, Quality Control of 5-Chloroisoindoline-1,3-dione

4- Chlorophthalimide (273 mg) is dissolved in a minimum of boiling ethanol (ca. 2.5 ml). 37% formaldehyde solution (0.15 ml) is added to the still hot solution followed by /V-(4-chlorophenyl)glycine (279 mg). Reflux is continued for 3 h. The yellow solution is kept in the refrigerator overnight. The yellow precipitate is collected by suction filtration, washed with ethanol, and dried in vacuo. The crude is recrystallised from ethanol to provide /V-[(5-chloro-l,3-dioxo-2-isondolinyl)methyl]- /V-(4-chlorophenyl)glycine (135 mg) as light yellow crystals. 1H-NMR (500 MHz, DMSOcI6): delta (ppm) = 4.26 (s, 2H), 5.24 (s, 2H), 6.97 (d, J = 9.1 Hz, 2H), 7.22 (d, J = 9.1 Hz, 2H), 7.90 (d, J = 1.2 Hz, 2H), 7.97 (t, J = 1.2 Hz, IH), 12.71 (br s, IH).13C-NMR and DEPT (125 MHz, DMSOd6) : delta (ppm) = 51.77 (CH2), 54.72 (CH2), 114.39 (2 CH), 121.70 (C), 123.35 (CH), 124.99 (CH), 128.39 (2 CH), 129.97 (C), 133.41 (C), 134.38 (CH), 139.41 (C), 145.34 (C), 167.01 (CO), 167.35 (CO), 171.48 (CO). MS ( + ESI): m/z = 379 (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, 5-Chloroisoindoline-1,3-dione, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; UNIVERSITAET DES SAARLANDES; ENGEL, Matthias; FROeHNER, Wolfgang; STROBA, Adriane; BIONDI, Ricardo M.; WO2010/43711; (2010); A1;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem

Related Products of 7147-90-2, These common heterocyclic compound, 7147-90-2, name is 5-Chloroisoindoline-1,3-dione, 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 7 4-Chloro-N-amino phthalimide STR34 To a cooled mixture of 1.81 g (10 mmol) 4-chloro phthalimide in 20 mL ethanol (96%) was added 0.5 mL (10 mmol) hydrazine monohydrate. The reaction mixture was stirred for 2 min. at room temperature and 2 min. at reflux. By adding 50 mL cold water pale yellow crystals formed alter 1 h. Resulting crystals was filtered and recrystallized from ethanol to give 0.4 g (20%) 4-chloro-N-amino-phthalimide:

The synthetic route of 7147-90-2 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Hay; Allan S.; Ghassemi; Hossein; US5359092; (1994); A;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem

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 7147-90-2 as follows. Recommanded Product: 5-Chloroisoindoline-1,3-dione

c 4-Chloro-N-(3,3,3-trifluoropropyl)phthalamic acid 3.6 g of 1,1,1-trifluoro-3-iodopropane are added dropwise to a mixture of 7.5 g of 4-chlorophthalimide and 4.6 g of potassium carbonate in 40 cm3 of dimethylformamide at a temperature in the region of 110 C. with stirring. After stirring for 11 hours at a temperature in the region of 120 C., the reaction mixture is cooled to a temperature in the region of 20 C. and then poured into 200 cm3 of water. The mixture is acidified with dilute aqueous hydrochloric acid solution to a pH of about 3, and is then extracted 3 times with 100 cm3 of ethyl acetate. The organic phase is dried over magnesium sulfate and then concentrated to dryness. 5.0 g of 4-chloro-N-(3,3,3-trifluoropropyl)phthalamic acid are thus obtained, Rf=0.12 (thin layer chromatography on silica gel, eluent: ethyl acetate).

According to the analysis of related databases, 7147-90-2, the application of this compound in the production field has become more and more popular.

Reference:
Patent; Aventis Pharma Deuschland GmbH; Aventis Pharma S.A.; US2004/48916; (2004); A1;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem

Adding a certain compound to certain chemical reactions, such as: 7147-90-2, name is 5-Chloroisoindoline-1,3-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 7147-90-2, Application In Synthesis of 5-Chloroisoindoline-1,3-dione

Protected with nitrogen, cooled to 0 C in an ice bath, added 1.0 g (5.5 mmol) of 5-chloroimphthalate to the reaction flask, added 30 ml of DCM, and contained 1.3 g (8.62 mmol) of n-butylmagnesium bromide. THF solution (8ml) was added dropwise to the reaction flask, and the reaction was performed in an ice bath for 1.5 hours. TLC showed no reaction. The temperature was raised to room temperature, and 1.5 equivalents of n-butyl magnesium bromide Grignard reagent were added. The reaction was performed for 2.5 hours. The reaction was shown to be complete. The reaction wasquenchedwith saturated NH4Cl, extracted with DCM, dried, concentrated, and subjected to silica gel column chromatography. A mixture of ethyl acetate and petroleum ether was used as the eluent (the volume ratio of ethyl acetate and petroleum ether was 1: 1), to obtain a mixture of 3-n-butyl-5-chloro-3-hydroxyisoindolin-1-one and 3-n-butyl-6-chloro-3-hydroxyisoindolin-1-one, Yield 45.5%,

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-Chloroisoindoline-1,3-dione, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; Aisite (Chengdu) Bio-pharmaceutical Co., Ltd.; Fu Jiasheng; Chen Xing; Yang Youzhe; Chen Xiaogang; Chen Jiachang; Sun Jingxiong; Gan Man; Guo Peng; (41 pag.)CN110563631; (2019); A;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem

Reference of 7147-90-2,Some common heterocyclic compound, 7147-90-2, name is 5-Chloroisoindoline-1,3-dione, molecular formula is C8H4ClNO2, 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. Preparation of (2a) where R3 is 4-chloro To a solution of 4-chlorophthalimide (60 g) in 1 liter of tetrahydrofuran was added borane-methyl sulfide complex (100 ml of 10M), and the mixture was refluxed overnight. After cooling, 100 ml of 6N hydrochloric acid was added slowly, the mixture refluxed for 2 hours, and then filtered. The filtrate was concentrated under reduced pressure, and the resulting aqueous solution washed with ethyl acetate. The aqueous layer was then basified with ammonium hydroxide and extracted with methylene chloride. Solvent was removed from the extract, and the residue distilled under vacuum to give 4-chloroisoindoline, a white solid, m.p. 48-50 C.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 5-Chloroisoindoline-1,3-dione, its application will become more common.

Reference:
Patent; Syntex (U.S.A.) Inc.; US5726197; (1998); A;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem

These common heterocyclic compound, 7147-90-2, name is 5-Chloroisoindoline-1,3-dione, 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. Formula: C8H4ClNO2

N-4-methylphenylglycine ethyl ester (0.3 mmol) under air atmosphere,A phthalimide compound (0.2 mmol) and cuprous chloride (0.02 mmol) were placed in a dry reaction tube with stirring magnets.Then, an acetonitrile solvent (2 mL) was added to the test tube, and the reaction tube was reacted in an air atmosphere at 60 C for 24 hours.After the reaction is completed, it is cooled to room temperature, and the solvent is distilled off under reduced pressure using a rotary evaporator.The residue is purified by column chromatography to obtain a pure pale yellow solid 3n.The yield was 67%.

The synthetic route of 5-Chloroisoindoline-1,3-dione has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Donghua University Of Science And Technology; Zhu Zhiqiang; Xiao Lijin; Xie Zongbo; Yue Changgao; (12 pag.)CN108623514; (2018); A;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem

Reference of 7147-90-2, 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 7147-90-2 as follows.

The intermediate compound 4 (0.0165 mol) was dissolved in 40 ml of methylene chloride, cooled to 0 C in an ice bath and triisopropylchlorosilane (0.1818 mol) was added under nitrogen, triethylamine (0.0182 mol) Heated at 40 C for 6 hours and cooled to room temperature. The filter cake was washed with dichloromethane. The filtrate was washed three times with 10% hydrochloric acid solution in 20 ml, and the mixture was washed three times with 20 ml of water. The organic layer was dried over anhydrous sodium sulfate, filtered and the filtrate was steamed to remove the solvent. The residue was washed with a small amount of methanol,Filtered to a yellow solid which was used directly in the next step without purification.

According to the analysis of related databases, 7147-90-2, the application of this compound in the production field has become more and more popular.

Reference:
Patent; Shandong University; Zhao Guisen; Liu Yang; Geng Jingkun; Li Yijing; (15 pag.)CN104447496; (2017); B;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem

Adding a certain compound to certain chemical reactions, such as: 7147-90-2, name is 5-Chloroisoindoline-1,3-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 7147-90-2, COA of Formula: C8H4ClNO2

To a solution of 5-chloro-isoindole-l,3-dione (3.63 g, 20 mmol) in DCM (150 mL) was added methylmagnesium chloride (3 M in THF, 20 mL) dropwise at 0 C. After the addition, the mixture was stirred at 0 C for 3 hours before it was quenched with satd. aq. NH4CI solution. After extraction with DCM, the organic layer was washed with brine, dried over anhy. Na2S04, filtered and concentrated in vacuo to give a crude product containing a mixture of two regioisomers (3.95 g, 100%). MS: 198.1 (M+H+).

At the same time, in my other blogs, there are other synthetic methods of this type of compound, 5-Chloroisoindoline-1,3-dione, and friends who are interested can also refer to it.

Reference:
Patent; F. HOFFMANN-LA ROCHE AG; AEBI, Johannes; AMREIN, Kurt; CHEN, Wenming; HORNSPERGER, Benoit; KUHN, Bernd; LIU, Yongfu; MAERKI, Hans P.; MAYWEG, Alexander V.; MOHR, Peter; TAN, Xuefei; WANG, Zhanguo; ZHOU, Mingwei; WO2013/79452; (2013); 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. 7147-90-2, name is 5-Chloroisoindoline-1,3-dione, This compound has unique chemical properties. The synthetic route is as follows., Computed Properties of C8H4ClNO2

To a solution of 5-chloro-isoindole-l,3-dione (5.0 g, 27.5 mmol) in DCM (200 mL) was added ethylmagnesium chloride (2 M in THF, 41.3 mL) dropwise at 0 C. After the addition, the mixture was allowed to stir at 0 C for 3 hours before it was quenched with satd. aq. NH4C1 solution. After extraction with DCM, the organic layer was washed with brine, dried over anhy. Na2S04, filtered and concentrated in vacuo to give a crude product containing a mixture of two regioisomers (5.82 g, 100%). MS: 212.0 (M+H+).

According to the analysis of related databases, 7147-90-2, the application of this compound in the production field has become more and more popular.

Reference:
Patent; F. HOFFMANN-LA ROCHE AG; AEBI, Johannes; AMREIN, Kurt; CHEN, Wenming; HORNSPERGER, Benoit; KUHN, Bernd; LIU, Yongfu; MAERKI, Hans P.; MAYWEG, Alexander V.; MOHR, Peter; TAN, Xuefei; WANG, Zhanguo; ZHOU, Mingwei; WO2013/79452; (2013); A1;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem