Chlorides-buliding-blocks

Adding a certain compound to certain chemical reactions, such as: 2533-69-9, name is Methyl 2,2,2-trichloroacetimidate, 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 2533-69-9, category: chlorides-buliding-blocks

2-amino-4-(2-methoxypyridin-3-yl)phenyIamine 3; To a solution of 4- bromo-o-phenylenediainine 1 (0.935g, 5 mmol), 2-methoxy-3-pyridyl boronic acid 2 and Na2CO3 (1.06Og, lOmmols) in l,4-dioxane/H2O (3:1, 2OmL) flushed with N2 was added Pd(PPh3)4 (0.575g, 0.5mmol) in one portion. Resulting reaction mixture was stirred under N2 atmosphere at 100 0C for 12h. Solvent was evaporated and residue was extracted with ethyl acetate (20 mL). Dried over anhydrous sodiumsulfate. Filtered, and evaporation of solvent gave a crude residue which was used as such in the following reaction. (0.850g).[00532] 5-(2-methoxypyridin-3-yl)-2-(trichIoromethyl)-lH-benzimidazole 4: To a solution of 2-amino-4-(2-methoxypyridin-3-yl)phenylamine 3 obtained from above reaction (0.215g, 1 mmol) in acetic acid (2mL) cooled to 0 0C was added methyl trichloroacetimidate (0.193g, 1.1 mmol) under N2 atmosphere and resulting reaction mixture was stirred at room temperature for 3h. Acetic acid was evaporated to give crude 5-(2-methoxypyridin-3-yl)-2- (trichloromethyl)-lH-benzimidazole which was used as such in the following step (0.3g). Reference: Louvet, P.; Lallement, G.; Pernot-Marino, L; Luu-Duc, C; Blanchet, G. Eur. J.Med.Chem. 1993, 28, 71-75.

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:
Patent; CHEMBRIDGE RESEARCH LABORATORIES, INC.; WO2007/56155; (2007); A1;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Reference of 932-96-7, The chemical industry reduces the impact on the environment during synthesis 932-96-7, name is 4-Chloro-N-methylaniline, I believe this compound will play a more active role in future production and life.

General procedure: A definite amount of polymer-supported ruthenium(II)-pheox complex cat. A was evacuated and backfilled with argon. The reaction flask was charged with (0.3 mmol) of amines dissolved in CH2Cl2 (3 mL) by injection through the side arm of the flask and the reaction flask was cooled in ice bath. Ethyldiazoacetate (0.035mL, 0.33 mmol) was slowly inserted and the reaction was stirred for 15 min at room temperature. The reaction product was isolated by centrifugation and the catalyst was separated by washing with acetonitrile and hexane respectively and dried under vacuum to be ready for the next use. The product in the filtrate was concentrated to afford the desired product in a pure form without further purification.

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, 4-Chloro-N-methylaniline, other downstream synthetic routes, hurry up and to see.

Reference:
Article; Abu-Elfotoh, Abdel-Moneim; Asian Journal of Chemistry; vol. 29; 2; (2017); p. 349 – 352;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Related Products of 2687-12-9,Some common heterocyclic compound, 2687-12-9, name is Cinnamyl chloride, molecular formula is C9H9Cl, 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.

In the reaction (R10), the compound (A1-1) was reacted with triethyl phosphite to obtain a compound (B1-1). Specifically, 15.2 g (0.10 mol) of the compound (A1-1) and 25.0 g (0.15 mol) of triethyl phosphite were added to a flask having a capacity of 200 mL. The content of the flask was stirred at 180 C. for 8 hours and then cooled to room temperature. Subsequently, unreacted triethyl phosphite contained in the content of the flask was distilled off under reduced pressure. Thereby, a compound (B1-1) which is a white liquid was obtained. The yield of the compound (B1-1) was 22.9 g, and the yield of the compound (B1-1) from the compound (A1-1) was 90%.

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

Reference:
Patent; Kyocera Document Solutions Co., Ltd.; Okada, Hideki; (38 pag.)JP2018/95596; (2018); A;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Related Products of 2845-89-8, 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. 2845-89-8, name is 1-Chloro-3-methoxybenzene belongs to chlorides-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below.

This reaction is carried out in the same manner as the reaction in example 3. The difference is that, the reactants are m-methoxyphenyl chloride (143.4 mg, 1.0 mmol), propiophenone (160.6 mg, 1.2 mmol), palladium acetate (6.6 mg, 0.029 mmol), 2-Methoxy-6-(N-methyl-N-phenyl-amino)phenyl(dicyclohexyl)phosphine (18.4 mg, 0.045 mmol), t-BuONa (115.0 mg, 1.2 mmol) in 3 mL dry toluene at 110 C. for 16.5 h. 2-(3?-Methoxyphenyl)-1-phenyl-1-enthanone (212.6 mg) was obtained with a yield of 88% as liquid. 1H NMR (300 MHz, CDCl3) delta 8.02-7.96 (m, 2H, ArH), 7.46-7.39 (m, 1H, ArH), 7.38-7.30 (m, 2H, ArH), 7.21 (t, J=8.0 Hz, 1H, ArH), 6.94-6.88 (m, 2H, ArH), 6.77-6.72 (m, 1H, ArH), 4.69 (q, J=6.9 Hz, 1H, CH), 3.71 (s, 3H, OCH3), 1.56 (d, J=6.9 Hz, 3H, CH3); 13C NMR (75 MHz, CDCl3) delta 199.8, 159.8, 142.8, 136.2, 132.5, 129.7, 128.5, 128.2, 119.9, 113.3, 111.8, 54.8, 47.6, 19.2; IR (neat) v (cm-1) 3059, 2973, 2932, 2835, 1682, 1598, 1486, 1455, 1372, 1312, 1263, 1215, 1181, 1149, 1045, 1002; MS (70 eV, El) m/z (%): 241 (M++1, 2.10), 240 (M+, 11.90), 105 (100).

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

Reference:
Patent; ZHEJIANG UNIVERSITY; Ma, Shengming; Lv, Bo; Fu, Chunling; US2014/309422; (2014); A1;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

4535-90-4, name is 2-Chloro-N-methylethanamine hydrochloride, belongs to chlorides-buliding-blocks compound, is considered to be a conventional heterocyclic compound, which is widely used in drug synthesis. The chemical synthesis route is as follows. Recommanded Product: 2-Chloro-N-methylethanamine hydrochloride

(a) 1-Benzyl-3-(2-chloroethyl-methyl-amino)-pyrrolidine-2,5-dione 74.8 g (0.4 mol) of N-benzylmaleimide [Arch. Pharm. 308, 489 (1975)] and 52.0 g (0.4 mol) of 2-chloroethyl-methylamine hydrochloride are initially introduced into 400 ml of dioxane and 40.4 g (0.4 mol) of triethylamine are added dropwise at 20 C. The mixture is then boiled under reflux for 5 hours. The batch is subsequently poured into 2 l of ice-water and extracted with 3 portions of 400 ml of chloroform and the extract is washed with water, dried over sodium sulphate and concentrated on a rotary evaporator. Chromatography of the residue (101.1 g) on silica gel using ethyl acetate:petroleum ether (1:2) gives 56.8 g (51% of theory) of an oil. RF value: 0.33 (silica gel, ethyl acetate/petroleum ether=1:2)

The synthetic route of 4535-90-4 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Bayer Aktiengesellschaft; US4990517; (1991); A;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Reference of 72235-58-6, 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. 72235-58-6, name is (4-Chloro-3-fluorophenyl)methanamine belongs to chlorides-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below.

To a solution of 4-chloro-3-fluorobenzylamine (225 muIota_, 1 .83 mmol) and pyridine (296 muIota_, 3.66 mmol) in dichloromethane (5 ml), ethyl 2-chloro-2-oxoacetate (215 1 .92 mmol) was added dropwise over an ice bath. The solution was removed from the ice bath after 10 minutes and left to warm to room temperature. The reaction mixture was diluted with ethyl acetate, washed with 0.2 N HCI (2x) and saturated NaHC03 (1 x), dried with MgS04, filtered and concentrated in vacuo to give 0.3878 g (82% yield) of ethyl 2-(4-chloro-3- fluorobenzylamino)-2-oxoacetate as a white solid. H NMR (CDCI3, 400 MHz) delta 7.45 (s, 1 H), 7.36 (t, J=7.96 Hz, 1 H), 7.09 (d, J=9.6 Hz, 1 H), 7.02 (d, J=8.3 Hz, 1 H), 4.48 (d, J=6.4 Hz, 2H), 4.35 (q, J=6.9 Hz, 2H), 1.38 (t, J=6.9 Hz, 3H). To a solution of ethyl 2-(4-chloro-3- fluorobenzylamino)-2-oxoacetate (1 19.7 mg, 0.461 mmol) in ethanol (6 ml), 50% hydrazine hydrate (57 muIota_) was added dropwise. The reaction was stirred overnight at room (0128) temperature. The product was filtered from the mixture and dried in vacuo, providing 59.0 mg of A/-(4-chloro-3-fluorobenzyl)-2-hydrazinyl-2-oxoacetamide as a white solid (52% yield). H NMR (DMSO-Qf6, 400 MHz) delta 10.02 (s, 1 H), 9.30 (t, J=6.4 Hz, 1 H), 7.49 (t, J=8.24 Hz, 1 H), 7.24 (dd, J=1 .8, 10.5 Hz, 1 H), 7.08 (dd, J=1.36, 8.24Hz, 1 H), 4.51 (s, 2H), 4.27 (d, J=6.4 Hz, 2H); 3C NMR (DMSO-af6, 100 MHz) delta 160.54, 158.74, 158.40, 156.29, 141 .29, 141 .23, 130.99, 125.08, 125.05, 1 18.36, 1 18.19, 1 16.31 , 1 16.10, 41 .86.

The synthetic route of (4-Chloro-3-fluorophenyl)methanamine has been constantly updated, and we look forward to future research findings.

Reference:
Patent; THE REGENTS OF THE UNIVERSITY OF MICHIGAN; EASTERN MICHIGAN UNIVERSITY; LAWRENCE, Daniel, A.; EMAL, Cory; REINKE, Ashley; LI, Shih-hon; (40 pag.)WO2019/23526; (2019); 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. 4152-90-3, name is (3-Chlorophenyl)methanamine, This compound has unique chemical properties. The synthetic route is as follows., HPLC of Formula: C7H8ClN

General procedure: To a solution of different amines (1 mmol) in ethanol (10 mL), ethylcyanoacetate (1.2 mmol) was added. The reaction mixture was stirred for 5-8 h under reflux. Progress of the reaction was monitoredby TLC. After completion of the reaction, the resulting mixture was cooled to 0-5 C in an ice bath and the solid separated was filtered off.

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 4152-90-3.

Reference:
Article; Shaik, Jeelan Basha; Palaka, Bhagath Kumar; Penumala, Mohan; Kotapati, Kasi Viswanath; Devineni, Subba Rao; Eadlapalli, Siddhartha; Darla, M. Manidhar; Ampasala, Dinakara Rao; Vadde, Ramakrishna; Amooru, G. Damu; European Journal of Medicinal Chemistry; vol. 107; (2016); p. 219 – 232;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

These common heterocyclic compound, 918538-05-3, name is 2,4-Dichloropyrrolo[2,1-f][1,2,4]triazine, 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. SDS of cas: 918538-05-3

To a 100 mL flask was added 2,4-dichloropyrrolo[2,1-J][1,2,4]triazine (3 g, 15.96 mmol), tetrahydrofuran (40 mL) and stirred. To the resulting solution was portionwise added sodium phenolate (2.03 8 g, 17.55 mmol). After 1 h, an aliquot of the reaction mixture was diluted with methanol and anlyzed by LCMS to ensure complete conversion. The reaction mixture was concentrated. To the residue was added water, stirred, filtered, washed extensively with water and dried. Obtained 2-chloro-4-phenoxypyrrolo[2, 1-J][1,2,4]triazine (3.71 g, 15.10 mmol, 95 % yield) as an off-while solid. LCMS m/z 245.9(M+H); rt 1.05 mm; Conditions A. ?HNMR: (300 IVIHz, DMSO-d6) oe 8.13 (dd, J2.6,1.5 Hz, 1H), 7.56-7.48 (m, 2H), 7.42-7.34 (m, 3H), 7.15 (dd, J4.5, 1.5 Hz, 1H), 6.99 (dd, J4.5, 2.6 Hz, 1H).

The synthetic route of 2,4-Dichloropyrrolo[2,1-f][1,2,4]triazine has been constantly updated, and we look forward to future research findings.

Reference:
Patent; BRISTOL-MYERS SQUIBB COMPANY; HARIKRISHNAN, Lalgudi S.; FINK, Brian E.; BORZILLERI, Robert M.; TONUKUNURU, Gopikishan; RAHAMAN, Hasibur; WARRIER, Jayakumar Sankara; SESHADRI, Balaji; (411 pag.)WO2017/15425; (2017); A1;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

220227-21-4, name is 2,4,5-Trifluorobenzene-1-sulfonyl chloride, belongs to chlorides-buliding-blocks compound, is considered to be a conventional heterocyclic compound, which is widely used in drug synthesis. The chemical synthesis route is as follows. Recommanded Product: 2,4,5-Trifluorobenzene-1-sulfonyl chloride

Step A: To a solution of sodium sulfite (153 g, 1214 mmol) in water (1000 mL) was added a solution of 2,4,5-trifluorobenzene-l-sulfonyl chloride (40 g, 173 mmol) in dioxane (300 mL) dropwise. After the complete addition of sulfonyl chloride, the reaction was basified to pH 14 by the addition of IN NaOH, and the reaction mixture was stirred overnight. The reaction mixture was cooled on an ice bath and acidified with 100 mL concentrated H2SO4 to pH 1. The mixture was extracted with EtOAc and CH2CI2 and the combined organic layers were dried over Na2S04, filtered and concentrated in vacuo to afford 2,4,5-trifluorobenzenesulfinic acid (34 g, 100%).

The synthetic route of 220227-21-4 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; ARRAY BIOPHARMA INC.; AICHER, Thomas Daniel; BENSCIK, Josef Roland; BOYD, Steven Armen; CONDROSKI, Kevin Ronald; FELL, Jay Bradford; FISCHER, John Peter; HINKLIN, Ronald Jay; PRATT, Scott; SINGH, Ajay; TURNER, Timothy M.; WO2013/66869; (2013); A1;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

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. 2732-80-1, name is 2-Bromo-1-chloro-4-methoxybenzene, A new synthetic method of this compound is introduced below., Computed Properties of C7H6BrClO

2-Bromo-1-chloro-4-methoxybenzene (200mg, 0.9mmol), cesium carbonate (588mg, 1.8mmol), 4-fluorophenol (202mg, 1.8mmol), CuI (17mg, 0.09mmol) and N- methylpyrrolidine (1 mL) were sealed in a microwave vessel and heated in a microwave at 2000C for 1800s. The crude reaction mixture was purified by chromatography on silica gel. Elution with 10:90 ethyl acetate:heptane with a gradient to 30:70 ethyl acetate:heptane afforded 1-chloro-2-(4-fluorophenoxy)-4-methoxybenzene (112mg, 0.44mmol, 49%). 1-Chloro-2-(4-fluorophenoxy)-4-methoxybenzene (110mg, 0.44mmol) prepared above, was dissolved in DCM (5.0OmL) and stirred under argon at -780C. Boron tribromide (1.0M in DCM, 2.2OmL) was then added and the reaction stirred at -780C for 1 h. The reaction was allowed to warm to ambient temperature overnight, quenched with saturated Na2CO3 (aq) and then the aqueous and organic layers were separated. The solvent was removed in vacuo and the crude product was purified by chromatography on silica gel. Elution with 2:98 ethyl acetate:heptane with a gradient to 20:80 ethyl acetate:heptane afforded 4- chloro-3-(4-fluorophenoxy)phenol (92mg, 0.38mmol, 87%). M.S. (ESI) (m/z): 237, 239 [M- H]-

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; N.V. ORGANON; WO2007/63071; (2007); A1;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics