Category: 626-43-7

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. 626-43-7, name is 3,5-Dichloroaniline, A new synthetic method of this compound is introduced below., HPLC of Formula: C6H5Cl2N

Ethyl 2-( ( 3, 5-dichlorophenyl) amino) acetate : A mixture of 3,5-dichloroaniline (0277) (500 mg, 3.51 mmol), ethyl 2-bromoacetate (585.6 mg, 3.51 mmol) and DIEA (1.36 g,10.52 mmol) in MeCN (5 mL) was heated to 80 C and stirred for 16 h. The reaction solution was concentrated to give ethyl (3,5-dichlorophenyl)glycinate (800 mg, yield: 100%) as a yellow solid. LCMS: [M+H]+= 248.1

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.

Reference:
Patent; RECREO PHARMACEUTICALS LLC; ZHANG, Jing; WANG, Xiang; PODOLL, Jessica, D.; (207 pag.)WO2020/37155; (2020); A1;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Related Products of 626-43-7, These common heterocyclic compound, 626-43-7, name is 3,5-Dichloroaniline, 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.

5-Bromo-2-methoxybenzenesulfonyl chloride(857mg, 3mmol) was dissolved in dichloromethane(6mL). A solution of 3,5-dichloroaniline(510mg, 3.15mmol) and pyridine(261mg, 3.3mmol) in dichloromethane(2mL) was added dropwise under ice cooling and argon atmosphere, and the mixture was stirred at room temperature for 6 hours. After the reaction mixture was diluted with dichloromethane, washed successively with 2N hydrochloric acid, water, and brine, dried over anhydrous magnesium sulfate, the solvent was evaporated under reduced pressure. The obtained residue was crystallized from n-hexane-ethyl acetate to give 5-bromo-2-methoxy-N-(3,5-dichloro)benzenesulfonamide(900mg, 73.0%) as a white crystal.1H-NMR(DMSO-d6): delta 4.03(3H, s), 6.92(1H, d, J=9.0Hz), 7.01(2H, d, J=1.8Hz), 7.07-7.08(1H, m), 7.24(1H, brs), 7.63(1H, dd, J=8.7, 2.4Hz), 7.99(1H, d, J=2.4Hz).

The synthetic route of 626-43-7 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Institute of Medicinal Molecular Design, Inc.; EP1512396; (2005); A1;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

626-43-7, 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 626-43-7 as follows.

Under constant stirring at 0 C, to a solution of 3,5-dichloroaniline (3.24 g, 20 mmol)concentrated hydrochloric acid solution (12 mL)35 wt.% aqueous solution of acetaldehyde (12.8 mL, 80 mmol) was added dropwise. The reaction mixture was stirred at 0 C for 15 minutes and then gradually warmed to 75 C. And reacted at this temperature for 4 hours. The reaction was cooled to room temperature, poured into ice water, 25% aqueous ammonia solution was added dropwise and made alkaline,Extract with dichloromethane three times.The organic phase was separated, dried over anhydrous sodium sulfate, filtered and concentrated under reduced pressure.The crude product was isolated and purified by silica gel column chromatography (ethyl acetate / petroleum ether, 1: 20) to obtain 2.93 g of the compound 1 as a pale yellow solid in a yield of 69%.

At the same time, in my other blogs, there are other synthetic methods of this type of compound, 626-43-7, and friends who are interested can also refer to it.

Reference:
Patent; Guangdong University of Technology; Centre national de la recherche scientifique (CNRS); LIU, YAN; LIU, XING GUO; HUANG, DA YA; HUANG, MEI JIE; WANG, DE AN; NGUYEN, MICHELLE; ROBERT, ANNIE; MOONEY, BERNARD; (18 pag.)CN105949120; (2016); A;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

A common compound: 626-43-7, name is 3,5-Dichloroaniline, belongs to chlorides-buliding-blocks compound, it can change the direction of chemical reaction, and react with certain compounds to generate new functional products. A new synthetic method of this compound is introduced below. 626-43-7

General procedure: To a solution of alcohol (1.1 mmol) in a mixture of solvents EtOAc: DMSO (4 ml: 2 ml), was added T3P (2.5 mmol, 50% solution in ethyl acetate) at 0 C, and the resulting mixture was stirred at room temperature for 1-2 h under nitrogen atmosphere. The reaction was monitored by TLC, amine (1.0 mmol) and thioglycolic acid (1.0 mmol) were added once and stirred further for 1-3 h at room temperature. After completion of the reaction, the mixture was diluted with water (20 ml) and neutralized by adding 10% NaHCO3 solution. The product was extracted with ethyl acetate (10 ml 2) and the combined organic layers were washed with water followed by brine solution. The organic phase was dried over anhydrous Na2SO4. The solvent was removed under reduced pressure to afford a crude product which was purified by column chromatography using hexane: ethyl acetate mixture (8:2) as an eluent.

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, 626-43-7, other downstream synthetic routes, hurry up and to see.

Reference:
Article; Sharath Kumar, Kothanahally S.; Swaroop, Toreshettahally R.; Harsha, Kachigere B.; Narasimhamurthy, Kereyagalahally H.; Rangappa, Kanchugarakoppal S.; Tetrahedron Letters; vol. 53; 42; (2012); p. 5619 – 5623;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Adding a certain compound to certain chemical reactions, such as: 626-43-7, name is 3,5-Dichloroaniline, belongs to chlorides-buliding-blocks 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 626-43-7, 626-43-7

EXAMPLE 6; Preparation of 1,3,5-triaminobenzene from 3,5-dichloroaniline; hydrolysis with sulfuric acid of the 1,3,5-triaminobenzene to phloroglucinol, and purification; A pressurized vessel is charged with 30 g (18.6 mmol) of 3,5-dichloroaniline and 1.5 g of copper chloride in 160 ml of 28% aqueous ammonia. The mixture is heated at 190 C. and under a pressure of 37 bars for 24 hours. The contents of the vessel are poured into 200 ml of water and then the excess ammonia is removed. Then 37 g of 98% sulfuric acid are added and the mixture is heated at 110 C. for 20 hours. Following filtration, the solution is concentrated to a third and then cooled in an ice bath until the phloroglucinol precipitates. The precipitate obtained is subsequently recrystallized from 350 ml of a water-ethanol (93 V-7 V) mixture.

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, 3,5-Dichloroaniline, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; PHV ANALYITIC; US2005/165256; (2005); A1;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

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. 626-43-7, name is 3,5-Dichloroaniline, This compound has unique chemical properties. The synthetic route is as follows., 626-43-7

Benzoyl acetone (0.165 g, 1.017 mmol) was dispersed over Montmorillonite K-10 catalyst (1.5 g) and a mixture of 3.5-dichloroaniline (0.552 g, 3.407 mmol) with 20 ml THF was added dropwise, while stirring. The reaction was stirred at room temperature for 48 h. The catalyst was removed by filtration and the solvent was removed on a rotary evaporator, yielding a dark red oil.Yield 93%. Colour: dark red. UV: lambdamax 359 nm, epsilonmax 29453 mol-1dm3cm-1 (CH3CN), 1H NMR (300 MHz, CDCl3, 25C):delta 7.91-7.89 ppm (d, aromatic, 2H); 7.54-7.44 ppm (m, aromatic,3H); 6.75-6.74 ppm (t, aromatic, 1H); 6.56 ppm (d, aromatic, 2H);6.20 ppm (s, CH, 1H); 2.22 ppm (s, CH3, 3H).

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.

Reference:
Article; Ngake, Tankiso Lawrence; Potgieter, Johannes Hermanus; Conradie, Jeanet; Electrochimica Acta; vol. 296; (2019); p. 1070 – 1082;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Adding some certain compound to certain chemical reactions, such as: 626-43-7, name is 3,5-Dichloroaniline, 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 626-43-7. 626-43-7

General procedure: PdTBAB (1 mol % Pd in 250 mg of TBAB synthetized in scCO2), alcohol (2 mmol, 2 eq), amine (1 mmol, 1 eq) and anisole (1 mL) were introduced into a sealed tube under argon. The reaction was then heated at 140 C for 12 h. After cooling the reaction at room temperature, the mixture was filtrated on Celite and washed with Et2O and the filtrate was concentrated under vacuum. The crude oil was purified by column chromatography.

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 3,5-Dichloroaniline.

Reference:
Article; Cacciuttolo, Bastien; Pascu, Oana; Aymonier, Cyril; Pucheault, Mathieu; Molecules; vol. 21; 8; (2016);,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

A common compound: 626-43-7, name is 3,5-Dichloroaniline, belongs to chlorides-buliding-blocks compound, it can change the direction of chemical reaction, and react with certain compounds to generate new functional products. A new synthetic method of this compound is introduced below. 626-43-7

General procedure: To a solution of substituted aniline 22a-i (0.81 mmol) and triethylamine (0.89 mmol) in DCM (2 mL) at 0 C was added bromoacetyl bromide (0.81 mmol) dropwise over 15 min, and stirring was continued for an additional 1 h at 0 C. The mixture was dilutedwith DCM (10 mL), washed with HCl (2 10 mL), H2O (1 10 mL),sat. aqueous NaHCO3 (1 10 mL), brine (1 10 mL), dried (Na2SO4),and the solvent removed in vacuo to give bromoacetamides 21a-i.

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, 626-43-7, other downstream synthetic routes, hurry up and to see.

Reference:
Article; Hung, Joy M.; Arabshahi, Homayon J.; Leung, Euphemia; Reynisson, Johannes; Barker, David; European Journal of Medicinal Chemistry; vol. 86; (2014); p. 420 – 437;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

A common heterocyclic compound, 626-43-7, name is 3,5-Dichloroaniline, molecular formula is C6H5Cl2N, 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. 626-43-7.

General procedure: Substituted aniline 4a-4s (50 mmol) was dissolved in the 50 mL HCl (18%, aqueous) in the icebath. NaNO2 (50 mmol) dissolved in 50 mL water was added dropwise. The reaction mixture wasstirred for 1 h to obtain a clear solution. Then the solution of SnCl2 (0.1 mol) in 30 mL of concentratedHCl was added dropwise at 0 C. The mixture was stirred at room temperature for 2 h. Afterwards,the mixture was extracted with 50 mL EtOAc and the organic impurities were discarded. Then thesolution was basified with NaOH (40%, aqueous) until it reached pH 7.0. The reaction mass wasextracted with EtOAc three times. Finally, substituted phenylhydrzine 5a-5s was afforded after beingvapored under reduced pressure (in 55%-80% yield) [12].

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

Reference:
Article; Wang, Xing; Chen, Yong-Fei; Yan, Wei; Cao, Ling-Ling; Ye, Yong-Hao; Molecules; vol. 21; 11; (2016);,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics