Indolines-derivatives

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. 169037-23-4, name is 5-(Trifluoromethoxy)indoline-2,3-dione, This compound has unique chemical properties. The synthetic route is as follows., Formula: C9H4F3NO3

General procedure: Sulfonated-beta-cyclodextrin (beta-CD-SO3H) (76 mg, 0.06 mmol) was dissolved in water (5 mL) at RT by stirring to get the clear solution in 50 mL round bottom ask. Further, isatin 2 (0.31 mmol) and tryptamine 1a/isotryptamine 1b (0.31 mmol) were added to the solution under constant stirring and mixture was heated at 80 C for 8-12 h. The progress of the reaction was monitored by TLC. After completion of reaction, it was cooled to room temperature, water was added to it. The aqueous phase was extracted with ethylacetate. The organic extracts were combined, washed with brine and dried over sodium sulfate. The solvent was evaporated in vacuo and the crude product obtained was puried by column chromatography using chloroform/methanol (99:1) as an eluent furnishing the product. The spectral and analytical data of all the reported products is consistent with the previous (6c,d,f) reports.

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 169037-23-4.

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 496-12-8, A common heterocyclic compound, 496-12-8, name is Isoindoline, molecular formula is C8H9N, 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.

Step two:Add to 50mL DMSO7-(4-Chlorophenyl)-1,8-naphthyridin-2-ylcarbamate (5.0 mmol) and isoporphyrin(5.5mmol),Stir at 80 C overnight.The reaction mixture was quenched with water (200 mL)Combine the organic phase,Wash with saturated sodium chloride solution,Dry over anhydrous sodium sulfate,filter,The residue was purified by silica gel column chromatography (hexane: methanol:Obtain a title in the form of a white solidCompound 1.59g,The yield was 79.6%.

The synthetic route of 496-12-8 has been constantly updated, and we look forward to future research findings.

Application of 5332-26-3,Some common heterocyclic compound, 5332-26-3, name is 2-(Bromomethyl)isoindoline-1,3-dione, molecular formula is C9H6BrNO2, 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: The vacuum dried intermediate 3 (0.002 mol) was then reacted with mono- and di-substituted benzoic acids (0.003 mol) separately in presence of anhydrous potassium carbonate (0.003 mol) in DMF (10 mL). The reaction mixture was stirred at room temperature for about 2 h. The progress of the reaction was monitored by TLC. After completion of the reaction, the reaction mixture was poured into ice-cold water and allowed stir for 10 min. The solid obtained was filtered and washed successively with distilled water and recrystallized from ethanol to obtain4(a-n).

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 2-(Bromomethyl)isoindoline-1,3-dione, its application will become more common.

Adding a certain compound to certain chemical reactions, such as: 5332-26-3, name is 2-(Bromomethyl)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 5332-26-3, COA of Formula: C9H6BrNO2

EXAMPLE 20 Reaction of N-bromomethylphthalimide with trimethyl phosphite as described in Example 18 for N-(2-bromoethyl)phthalimide and triethyl phosphite gives dimethyl phthalimidomethylphosphonate.

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-(Bromomethyl)isoindoline-1,3-dione, other downstream synthetic routes, hurry up and to see.

317-20-4, name is 7-Fluoroisatin, 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 5. Synthesis of 8-F-4-CO2H-quinoline: To a solution of 7-fluoroisatin (500 mg, 3.03 mmol) in water (10 mL) at the room temperature were added aqueous NaOH solution (2.5 mL, SM, 12.5 mmol) and sodium pyruvate (400 mg, 3.66 mmol), and it?s then placed in a microwavereactor (CEM discover 5) at 110C for 10 mm. The resulting solution was cooled down and acidified to pH 2, and the dark solid was then collected. A suspension ofsolid in water (2 mL) was then placed in a 10 mL microwave tube followed by stirring at 170C (or 280 psi) in a microwave reactor for 5 mm. The desired product (brown solid, 340 mg, 60% yield) was then filtered off and collected. LRMS (M+Hj m/z: cacld 192.04, found 192.16.

The synthetic route of 317-20-4 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. 3484-35-3, name is 5-Methylindolin-2-one, A new synthetic method of this compound is introduced below., SDS of cas: 3484-35-3

General procedure: To a solution of 3-substituted-5-benzylidene-2-thioxo-4-thiazolidinone (3a-3h, 8a-8f) (0.003 mol) in 1,4-dioxane (15 ml) was added HC(OEt)3 (2 ml) and BF3·Et2O (2 ml). The reaction mixture was heated to 80 C and stirring was continued at the same temperature for 4 h. The resulting 2-ethylthio-3-substituted-5-benzylidene-4-thiazolium fluoroborate (4a-4h, 9a-9f) was precipitated, filtered off, and dried without any additional purification, as starting material for the following reactions. To a mixture of thiazolium fluoroborate (4a-4h, 9a-9f) (0.003 mol) and indolin-2-one (11a-11f) (0.003 mol) in acetonitrile (15 ml) was added triethylamine (0.91 g, 0.009 mol) dropwise at 25 C, and the mixture was stirred for 4 h at the same temperature. The orange precipitate was collected and washed with ethyl acetate (8 ml). The crude product thus obtained was recrystallized from methanol or acetone to give compound (5a-5s, 10a-10s).

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.

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. 19727-83-4, name is 6-Nitroindoline, This compound has unique chemical properties. The synthetic route is as follows., Application In Synthesis of 6-Nitroindoline

General procedure: To a 100-mL, one-necked, round-bottomed flask,sequentially charged with compound A (2.25 mmol, 1 equiv.), CS2 (11.25 mmol, 5 equiv.), K3PO4 (2.25 mmol, 1 equiv.) and 30 mL ofacetone. The mixture was stirred for 0.5 h at r.t. and then 4-(bromomethyl)benzoic acid (2.25 mmol, 1 equiv.) was added. TLCanalysis was used to indicate the completed reaction. The reactionmixture was concentrated to provide crude compound B.

According to the analysis of related databases, 19727-83-4, the application of this compound in the production field has become more and more popular.

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. 32692-19-6, name is 5-Nitroindoline belongs to indolines-derivatives compound, it is a common compound, a new synthetic route is introduced below. category: indolines-derivatives

General procedure: We described the synthesis of the compound 1 (Table 2) to illustrate the general procedure for TFA accelerated Petasis three-component reaction. The descriptions of the preparations of all reported compounds are in the Supporting information section. To a magnetically stirred mixture of 5-nitroindoline (0.164 g, 1.0 mmol), 4-tolyboronic acid (0.135 g, 1.0 mmol), and glyoxylic acid monohydrate (0.092 g, 1.0 mmol) in CH2Cl2 (5 ml) was added TFA (20 mul). The mixture was stirred at room temperature for 4 h. After the completion of the reaction (TLC monitoring), half of the solvent was evaporated by means of a rotovap. The resulting solid was filtered through a sintered glass funnel. The collected solid was thoroughly washed with petroleum ether and a small amount of ice water (5 ml), and then dried in vacuo at room temperature for 24 h to afford 0.26 g (83.3 %) of 2-(5-nitroindolin-1-yl)-2-(p-tolyl) acetic acid as a light yellow solid.

The synthetic route of 32692-19-6 has been constantly updated, and we look forward to future research findings.

Some common heterocyclic compound, 446292-08-6, name is (S)-2-((2-Oxo-3-(4-(3-oxomorpholino)phenyl)oxazolidin-5-yl)methyl)isoindoline-1,3-dione, molecular formula is C22H19N3O6, 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. name: (S)-2-((2-Oxo-3-(4-(3-oxomorpholino)phenyl)oxazolidin-5-yl)methyl)isoindoline-1,3-dione

1360 g of 2-({(5S)-2-oxo-3-[4-(3-oxo-4-morpholinyl)phenyl]-1,3-oxazolidin-5-yl}methyl)-1H-iso-indole-1,3(2H)-dione (VI) are suspended in 10.2 l of ethanol at 22 C., and 1103 g of methylamine solution (40% strength in water) are added. The reaction mixture is then heated to 60 to 63 C., and the resulting solution is stirred at this temperature for 2 hours. After cooling to 55 to 60 C., a total of 2348 g of hydrochloric acid solution (20% strength in water) is added until the pH is 2.7, after which the product starts to crystallize. After cooling to 20 C., the precipitated reaction product is filtered off with suction, washed with methanol and then dried. Yield: 875 g; equivalent to 82.7% of theory. Melting point: decomposition above 280 C. 1H NMR (300 MHz, d6-DMSO): 3.25 (m, 2H), 3.72 (m, 2H), 3.98 (m, 3H), 4.42 (m, 3H), 4.97 (m, 1H), 7.42 (d, 2H, J=9.0 Hz), 7.57 (d, 2H, J=9.0 Hz), 8.44 (s (br.), 3H) ppm.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 446292-08-6, its application will become more common.