Category: indolines-derivatives

Reference of 675109-26-9, 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. 675109-26-9, name is 6-Bromoisoindolin-1-one belongs to indolines-derivatives compound, it is a common compound, a new synthetic route is introduced below.

To a degassed solution of 6-bromoisoindolin-1-one (0.7 g, 3.3 mmol), 1-Boc pperazine (0.921 g, 4.9 mmol) and sodium tert butoxide (0.95 g, 2.5 mmol) in toluene (10 mL),Pd2(dba)3 (0.151 g, 0.l6Smmol) and BINAP (0.205 g, 0.33 mmol) were added at rt and heated to 80 C overnight in sealed tube. Then the reaction mixture was filtered through celite and concentrated. Water (4 mL) was added and was extracted with EtOAc (2 x 10 mL). The combined organic layer was dried over Na2SO4 and concentrated under vacuum. The resulting crude product was purified by flash chromatography (Eluent: 5-6% MeOH inDCM). After evaporation, the resulting solid was triturated in Et20 and filtered, affording the title product (white solid). 1H NMR (400 MHz, CDCI3): 6 8.72-8.70 (m, IH), 7.79 (d, J = 1.6 Hz, IH), 7.56 (d, J = 8.4 Hz, IH), 7.26-7.23 (m, IH), 4.26 (5, 2H), 3.49-3.46 (m, 4H), 3.18- 3.13 (m, 4H), 1.43 (5, 9H). LCMS: (Method A) 318.0 (M+H), Rt. 2.26 mm, 39.9% (Max).

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, 6-Bromoisoindolin-1-one, other downstream synthetic routes, hurry up and to see.

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. 100510-65-4, name is 6-Amino-3,3-dimethylindolin-2-one, A new synthetic method of this compound is introduced below., Recommanded Product: 6-Amino-3,3-dimethylindolin-2-one

(f) 6-Acetamido-3,3-dimethylindolin-2-one 20.4 g. (0.2 mol) Acetic anhydride are added dropwise, with cooling, to a suspension of 32 g. (0.18 mol) 6-amino-3,3-dimethyl-indolin-2-one in 500 ml. ethyl acetate and then stirred for about 1 hour at ambient temperature. The resultant product is filtered off with suction, well washed with ethyl acetate and dried. Yield: 37.8 g. (96% of theory); m.p. 275-277 C. The following compound is obtained in a manner analogous to that described in (f):

The synthetic route of 100510-65-4 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. 6872-06-6, name is 2-Methylindoline, A new synthetic method of this compound is introduced below., SDS of cas: 6872-06-6

General procedure: 2-Methylindoline (400 mg, 3.0 mmol, 1.0 equiv) was dissolved in dry pyridine (10 mL). Methane sulfonyl chloride (480 mg, 4.2 mmol, 1.4 equiv) was added dropwise and the reaction mixture was stirred overnight at rt. Monitoring by HPLC and LCMS indicated that the reaction was completed. The solvent was evaporated under reduced pressure. A solution of HCl 1N (50 mL) and EtOAc (50 mL) were added. The organic layer was separated and the aqueous phase was extracted twice with EtOAc (2×50 mL). The combined organic phase was dried over Na2SO4 and the solvent was evaporated under reduced pressure to yield the pure product: 634 mg, 100 % yield.

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.

Application of 883-44-3, 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. 883-44-3, name is 2-(3-Hydroxypropyl)isoindoline-1,3-dione belongs to indolines-derivatives compound, it is a common compound, a new synthetic route is introduced below.

A 50 ml round bottom flask was charged with aq. NaHCO3(0.05 M, 10 ml), aq. K2CO3(0.5 M, 10 ml) and CHCl3(5 ml). Alcohol 5 (16.02 g, 78.1 mmol) was dissolved in CHCl3(50 ml) and transferred to the reaction mixture followed by tetra-nbutylammonium chloride (4.34 g, 15.6 mmol), N-chlorosuccinimide (20.9 g, 156.1 mmol) and TEMPO (2.44 g, 15.6 mmol) and the reaction mixture was stirred vigorously at rt for 4.5 h. The phases were separated and the organic phase was washed with sulfate buffer (100 ml), NaHCO3(100 ml), and brine (100 ml), dried (Na2SO4), filtered and concentrated in vacuo. Purification by flash column chromatography (35% EtOAc in n-heptane, v/v) gave aldehyde 9 (6.54 g, 38%) as a white amorphous solid.

The synthetic route of 2-(3-Hydroxypropyl)isoindoline-1,3-dione has been constantly updated, and we look forward to future research findings.

Application of 6341-92-0,Some common heterocyclic compound, 6341-92-0, name is 6-Chloroisatin, 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.

4. 6-Chlorooxindole Reaction of 36.2 g. of 6-chloroisatin with hydrazine hydrate followed by sodium ethoxide in ethanol, substantially according to B above, afforded 14.2 g. of 6-chlorooxindole, m.p. 196-198 C. In an analogous manner 4- and 6-fluoro- and bromooxindoles are prepared, as well as 7-fluorooxindole, 7-bromooxindole, 7-methyloxindole, 4,6-difluorooxindole, 4,7-dichlorooxindole, 5,7-difluorooxindole, 5-n-butyl-7-fluorooxindole, 7-cyclohexyloxindole and 7-cyclopropyloxindole.

The synthetic route of 6341-92-0 has been constantly updated, and we look forward to future research findings.

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 6941-75-9 as follows. Safety of 5-Bromoisoindoline-1,3-dione

To a solution of 5-bromophthalimide (44.2 mmol; 1.0 equiv) in THF (221 mL) under N2 atmosphere is added BF3-OEt2 (265.5 mmol; 6.0 equiv) and the reaction is stirred for 30 minutes at 25 C. BH3-THF (353.6 mmol; 8.0 equiv) is added to the reaction mixture which is then heated to 40 C for 24 h. The reaction is cooled to room temperature and quenched with 60 mL MeOH until gas evolution ceases; 400 mL HCl is added and the reaction is refluxed for 3 h. The reaction is then cooled to room temperature and the water layer is washed with ethyl acetate. The water layer is then brought to pH 14 with 6 N NaOH and extracted with ethyl acetate. The combined organic extracts are dried (MgSO4), filtered, and concentrated to crude product 5-bromo-2,3-dihydro-lH-isoindole, which is carried onto the next step without further manipulation.

According to the analysis of related databases, 6941-75-9, the application of this compound in the production field has become more and more popular.

959235-95-1, name is 6-(Trifluoromethoxy)indoline, 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. Application In Synthesis of 6-(Trifluoromethoxy)indoline

To a solution of 2-(2-(2-((tert-butyldimethylsilyl)oxy)ethoxy)-4-fluorophenyl)-2-((3- methoxy-5-(methylsulfonyl)phenyl)amino)acetic acid 2d (1 g, 1 .90 mmol) in DMF (10 mL) were added HATU (1 .08 g, 2.84 mmol), diisopropylethylamine (940 pL,5.69 mmol) and 6-(trifluoromethoxy)indoline [CAS 959235-95-1] (385 mg, 1.90 mmol). The reaction mixture was stirred at room temperature for 4 h. The reaction mixture was diluted with water. The precipitate was filtered off, washed with water and taken up with EtOAc. The organic layer was washed with a 10% solution of K2003 in water, a saturated solution of NaCI in water, water, dried over MgSO4,filtered and the solvent was concentrated under reduced pressure to give 2-(2-(2-((tert-butyld imethyl silyl )oxy)ethoxy)-4-fl uorophenyl )-2-((3-methoxy-5-(methylsulfonyl)phenyl)amino)-1 -(6-(trifluoromethoxy)indolin-1 -yl)ethanone 3a(1 .32 g). The crude compound was used without purification in the next reactionstep.

The synthetic route of 959235-95-1 has been constantly updated, and we look forward to future research findings.

In an article, author is Pradhan, Sourav, once mentioned the application of 88150-75-8, COA of Formula: https://www.ambeed.com/products/88150-75-8.html, Name is Ethyl 4-(2-(1,3-dioxoisoindolin-2-yl)ethoxy)-3-oxobutanoate, molecular formula is C16H17NO6, molecular weight is 319.31, MDL number is MFCD12407176, category is indolines-derivatives. Now introduce a scientific discovery about this category.

Selective editing of the benzenoid C-H bonds (C4-C7) in indoles/indolines has received great interest because functionalized indoles/indolines are featured in many marketed drugs and natural products. Transition-metal-catalyzed directed C-H functionalization has thus been developed to manipulate the benzenoid core through C-C and C-heteroatom bond formation. This review covers the recent advances in selective C-C bond forming reactions, alkylation, alkenylation and alkynylation, over the benzenoid ring (C4-C7) of indoles/indolines using metal catalysis.

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Reference:
Indoline – Wikipedia,
,Indoline | C8H9N – PubChem

Chemistry is the experimental science by definition. We want to make observations to prove hypothesis. For this purpose, we perform experiments in the lab. , Category: indolines-derivatives, 56341-37-8, Name is 6-Chlorooxindole, molecular formula is C8H6ClNO, belongs to indolines-derivatives compound. In a document, author is Youssef, M. Adel, introduce the new discover.

A set of dispiro[indoline-3,2 ‘-pyrrolidine-3 ‘,3 ”-pyrrolidines]8a-lwas regioselectively synthesized utilizing multi-component azomethine cycloaddition reaction of 3-(arylmethylidene)pyrrolidine-2,5-diones5a-e, isatins6a-cand sarcosine7. Single crystal X-ray studies of8cadd conclusive support for the structure. Compounds8eand8greveal cholinesterase inhibitory properties with promising efficacy against both AChE and BChE and were found to be more selective towards AChE than BChE as indicted by the selectivity index like Donepezil (a clinically used cholinesterase inhibitory drug). Molecular modeling studies assist in understanding the bio-observations and identifying the responsible parameters behind biological properties.

A reaction mechanism is the microscopic path by which reactants are transformed into products. Each step is an elementary reaction. In my other articles, you can also check out more blogs about 56341-37-8. Category: indolines-derivatives.

Reference:
Indoline – Wikipedia,
,Indoline | C8H9N – PubChem

550-44-7, Name is 2-Methylisoindoline-1,3-dione, molecular formula is C9H7NO2, HPLC of Formula: https://www.ambeed.com/products/550-44-7.html, belongs to indolines-derivatives compound, is a common compound. In a patnet, author is Bao, Bingwei, once mentioned the new application about 550-44-7.

Photochromic materials have drawn growing interesting due to their capability of interconversion under the action of external optical stimulation, allowing diverse potential applications. Herein, we proposed a novel method of preparing photochromic cotton fabric coated by combined l-(2-hydroxyethyl)-3,3-dimethyl-6-nitrospiro [l(2H)-benzopyran-2,2-indoline] terminated waterborne polyurethane. The synthesized photochromic compounds 1-(2-hydroxyethyl)-3,3-dimethyl-6-nitrospiro[1(2H)-benzopyran-2,2-indoline] (SP-OH), were characterized by FTIR spectra, H-1 NMR and ultraviolet (UV) spectrum. The as-prepared spiropyran-terminated water polyurethane (SP-OH/WPU) was characterized via FTIR spectra, ultraviolet (UV) spectrum, SEM and size analysis. The photochromic cotton fabric was featured via FTIR spectra, ultraviolet (UV) spectrum and SEM. In addition, the photochromic properties, thermal stability of as-prepared cotton fabric was tested. The results showed that the photochromic compounds and SP-OH/WPU have been successfully synthesized and the resultant cotton fabric possesses excellent and durable photochromic properties, including noticeable and quick color alteration under UV radiation and fast recovery when exposed to green light. Furthermore, the excellent thermal stability ensured it undergo harsh service environment, which indicated that it is a good candidate for photochromic textile.

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Reference:
Indoline – Wikipedia,
,Indoline | C8H9N – PubChem