Month: April 2021

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. 3891-07-4, name is 2-(2-Hydroxyethyl)isoindoline-1,3-dione, This compound has unique chemical properties. The synthetic route is as follows., COA of Formula: C10H9NO3

General procedure: To a double-necked round bottom flask (100mL), equipped with a condenser, it was added a mixture of KI (1.5mmol), P2O5 (1.5mmol) and the desired alcohol (1mmol) in DMF (5mL). The reaction mixture was stirred at r.t. for 30min. Next, the considered nucleobase (1mmol), K2CO3 (1mmol) and Et3N (1mmol) were added and the reaction mixture was heated to reflux for a further 6.5-10.5h (until TLC indicated no further progress in reaction, Table5). The solvent was then evaporated at reduced pressure, and the remaining foam was dissolved in chloroform (150mL) and washed with water (2×150mL). The organic layer was dried on Na2SO4 (1g) and evaporated. The product was purified using short column chromatography on silica gel eluting with proper solvents.

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 3891-07-4.

Electric Literature of 88150-75-8, 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 88150-75-8 as follows.

Ethyl 2- { [2-D, 3-DIOXOISOINDOLIN-2-YDETHOXY] METHYL}-4- (2-CHLOROPHENYL)-5-CYANO-6- methyl-1,4-dihydropyridine-3-carboxylate. A mixture of 2-chlorobenzaldehyde (2.64 g; 18.79 mmol), 3-aminocrotononitrile (1.54 g; 18.79 MMOL), and ethyl 4- [2- (1, 3- dioxoisoindolin-2-yl) ethoxy] -3-oxobutanoate (6 g; 18. 79 mmol) in MeOH is heated to reflux for 6 days. After cooling, the solvent is removed under reduced pressure and the crude product is purified on a silica gel column to obtain the product in 70% yield as a light yellow solid.

According to the analysis of related databases, 88150-75-8, the application of this compound in the production field has become more and more popular.

Electric Literature of 480-91-1, These common heterocyclic compound, 480-91-1, name is Isoindolin-1-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.

A stirred mixture of 79D (4.6 g, 8.64 mmol), isoindolin-1-one (1.15 g, 8.64 mmol), Pd2(dba)3 (791 mg, 0.864 mmol), Cs2CO3 (8.44 g, 25.92 mmol) and Xantphos (700 mg, 1.21 mmol) in 1,4-dioxane (150 mL) was heated to 100 C. overnight. The reaction mixture was allowed to cool to room temperature and filtered. The filtrate was concentrated under reduced pressure and the residue was purified by silica column chromatography (1%-5% MeOH in DCM) to give 79E (2.6 g, 56% yield) as a white solid: 1H NMR (400 MHz, DMSO-d6) delta 8.54 (d, J=8 Hz, 1H), 8.05 (t, J=7.6 Hz, 1H), 7.99 (d, J=6.8 Hz, 1H), 7.79 (d, J=7.6 Hz, 1H), 7.66 (t, J=7.2 Hz, 1H), 7.57-7.48 (m, 3H), 7.22 (t, J=7.6 Hz, 1H), 7.13-7.04 (m, 4H), 5.19 (d, J=7.2 Hz, 1H), 5.03 (d, J=17.6 Hz, 1H), 4.56 (d, J=17.6 Hz, 1H), 4.11 (dd, J=10.4 Hz, 3 Hz, 1H), 3.95 (d, J=9.2 Hz, 1H), 3.12-2.93 (m, 3H), 2.81-2.75 (m, 1H), 0.80 (s, 9H); ESI m/z 586.1 [M+H]+.

Statistics shows that Isoindolin-1-one is playing an increasingly important role. we look forward to future research findings about 480-91-1.

Adding a certain compound to certain chemical reactions, such as: 5394-18-3, name is 2-(4-Bromobutyl)isoindoline-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 5394-18-3, category: indolines-derivatives

To the reaction flask was added 0.1 part of sodium hydride, 0.1 part of imidazole, 20 parts of tetrahydrofuranwere mixed evenly. Then, 0.08 parts of compound 1 was slowly added in dropwise manner, reacted at a temperatureat 50 for 1 h, filtered and air dried to collect compound 2, yield 85.5 %.

If you are interested in these compounds, you can also browse my other articles.Thank you for taking the time to read this article. I hope you enjoyed it.

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. Computed Properties of C14H9Cl2NO

27.8 g (0.1 mol) of 1-(2,6-dichlorophenyl)-2-indanone (II) was dissolved in 100 mL of toluene.Then add 5g of triethylbenzylammonium chloride (TEBAC),50 mL of 30% sodium hydroxide solution, stirred and refluxed for 10 h.Stop the reaction,Add 80mL of water,Change to a distillation unit.Toluene is removed by azeotropic distillation,The residual liquid was allowed to stand, cooled, and a large amount of solid was precipitated.filter,It was recrystallized from 100 mL of water and decolorized with activated carbon to give a white solid (26.6 g).

The synthetic route of 15362-40-0 has been constantly updated, and we look forward to future research findings.

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. 32372-82-0, name is Isoindoline hydrochloride, A new synthetic method of this compound is introduced below., Recommanded Product: Isoindoline hydrochloride

To concentrated sulphuric acid (3 mL) at -10C was added isoindoline hydrochloride (1.569 g). The mixture was stirred at -10C for 15 min. Fuming nitric acid (3 mL) was added drop-wise. The resulting mixture was stirred for 35 min at room temperature and then heated up and stirred at 50 C for 35 min. After cooling to room temperature, the mixture was diluted with ethyl acetate (5 mL) and poured onto ice-water. The resulting precipitate was collected, washed with small amount of ethyl acetate and dried to afford 5-nitroisoindoline hydrosulfate 1 (1.644 g, 62.7%).

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.

These common heterocyclic compound, 1074-82-4, name is Potassium 1,3-dioxoisoindolin-2-ide, 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. Recommanded Product: Potassium 1,3-dioxoisoindolin-2-ide

50 mL DMF, 0.025 mol potassium salt of phthalimide,0.10 mol 1,4-dibromobutane and 0.5 g TBAB,70 reaction 2.0h;Cool to room temperature,Pour ice waterEthyl acetate extraction,Washed,dry,De-soluble,Stand overnight,5.82 g of N- (4-bromobutyl) phthalimide precipitated as a white solid,m.p. 78-81 C, yield 82.5%.

The synthetic route of Potassium 1,3-dioxoisoindolin-2-ide has been constantly updated, and we look forward to future research findings.

Synthetic Route of 2058-72-2, 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 2058-72-2 as follows.

Weigh accurately 0.2401g 5-bromo-N- methyl isatin,0.0981 g of 1,3-cyclopentadione,0.1621 g of 4-hydroxycoumarin and 0.0508 g of I2 were dissolved in 4 mL of CH2Cl2,After magnetic stirring at 60 C for 24 h,TLC detection,Confirm the reaction has ended,The solvent was removed by rotary evaporation,Column chromatography was used to obtain white solid Ic,Yield 79%

According to the analysis of related databases, 2058-72-2, the application of this compound in the production field has become more and more popular.

Reference of 366453-21-6,Some common heterocyclic compound, 366453-21-6, name is 4-Hydroxy-2,3-dihydroisoindol-1-one, molecular formula is C8H7NO2, 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.

m Synthesis of 2,3-dihydro-1H-isoindol-1-one (32): To a solution of 4-hydroxy isoindolinone 27 (0.100 gm, 0.67 mmol) in methylene chloride (5 ml) and triethylamine (0.2 ml), was added m-nitrobenzoyl chloride (0.125 gm, 0.67 mmol) at 0 C., and the reaction mixture was stirred at room temperature for 5 hr. After the usual workup, the resulting residue was purified by PTLC plate (solvent was 10% methanol-methylene chloride) to give 2,3-dihydro-1H-isoindol-1-one 32 (0.025 mg, 28%).

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 4-Hydroxy-2,3-dihydroisoindol-1-one, its application will become more common.

Adding a certain compound to certain chemical reactions, such as: 19155-24-9, name is 3,3-Dimethylindolin-2-one, 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 19155-24-9, Computed Properties of C10H11NO

(1) To ice-cooled carbon disulfide (77 ml) were added anhydrous aluminum chloride (61.2 g) and chloroacetyl chloride (36.5 g), and then 2,3-dihydro-3,3-dimethylindol-2-one (24.6 g) was added thereto. The mixture was stirred for 10 minutes at ambient temperature and for 4 hours at 35° to 40° C. The solvent was removed by decantation and to the residue was added ice-water. The resulting crystal was collected, washed with water and dried to give 5-chloroacetyl-2,3-dihydro-3,3-dimethylindol-2-one (37.39 g). mp: 230°-233° C. IR (Nujol): 1725, 1670, 1610 cm-1

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, 3,3-Dimethylindolin-2-one, other downstream synthetic routes, hurry up and to see.