Chlorides-buliding-blocks

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. 50638-47-6, name is 4-Bromo-2-chloro-1-methoxybenzene, This compound has unique chemical properties. The synthetic route is as follows., HPLC of Formula: C7H6BrClO

Step 2 Preparation of 3-chloro-4-methoxyphenylboronic acid Following the general procedure outlined in Synthetic Scheme I, 10.2 g (46.2 mmol) of 4-bromo-2-chloroanisole (Step 1) was converted to 3-chloro-4-methoxyphenylboronic acid: NMR (CDCl3) delta 3.83 (s, 3H), 6.57 (s, 2H), 6.83 (d, J=8 Hz, 1H), 7.64 (dd, J=1.5, 8 Hz, 1H), 7.77 (d, J=1.5 Hz, 1H).

According to the analysis of related databases, 50638-47-6, the application of this compound in the production field has become more and more popular.

Reference:
Patent; G.D. Searle & Co.; US5739166; (1998); A;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

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 10061-02-6 as follows. SDS of cas: 10061-02-6

Example 15: N-((S)-2-Amino-l-hydroxycarbamoyl-2-methyl-propyl)-4-((E)-7-hydroxy- hept-2-en-4-ynyIoxy)-benzamide (Compound 15); 15Step 15-A:To a solution of trans- 1,3 -dichloropropene (2.19 g, 19.7 mmol), potassium carbonate (3.63 g, 26.3 mmol), and potassium iodide (0.109 g, 0.657 mmol) in acetonitrile (200 mL) was added methyl-4-hydroxybenzoate (2.0 g, 13.2 mmol). The reaction was stirred at 80 0C for 4 hr after which it is quenched with brine, extracted with ethyl acetate, and washed with water. Organic phase dried with anhydrous magnesium sulfate, filtered, concentrated followed by purification with silica-gel chromatography (0-50% Ethyl Acetate/Heptane) to afford 15b (2.77 g). Found m/z ES+ = 227.

According to the analysis of related databases, 10061-02-6, the application of this compound in the production field has become more and more popular.

Reference:
Patent; NOVARTIS AG; DOBLER, Markus, Rolf; LENOIR, Francois; PARKER, David, Thomas; PENG, Yunshan; PIIZZI, Grazia; WATTANASIN, Sompong; WO2010/31750; (2010); 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. 13745-86-3, name is 11-Chlorodibenzo[b,f][1,4]thiazepine, A new synthetic method of this compound is introduced below., Recommanded Product: 13745-86-3

The typical procedure for the iron-catalyzed cross-coupling reaction of imidoyl chlorides with alkylmagnesium halide was applied to form the title compound and the following reagents were employed: ll-chloro-dibenzo[b,fj[l,4]thiazepine ( 49 mg, 0.20 mmol), Fe(acac)3 (3.53 mg, 0.001 mmol), THF (2 mL) and N-methylpyrrolidone (0.2 mL), cyclohexyl magnesium chloride (2 M in Et2O, 0.20 mL, 0.40 mmol). Purification by flash chromatography (ethyl acetate/heptane 1:4) afforded 51.9 mg (89%) of the title compound as an oil. 1H NMR (400 MHz, CDCl3): delta 7.45-7.43 (IH, m), 7.04-7.36 (2H, m), 7.33-7.21 (4H, m), 7.16 (IH, d, J = 8.0, 1.6Hz), 7.02-6.98 (IH, m), 2.86 (IH, tt, J = 11.2, 3.2Hz), 2.19-2.15 (IH, m), 1.96-1.92 (IH, m), 1.86-1.70 (4H, m), 1.45-1.26 (4H, m).I3C NMR (100 MHz, CDCl3): delta 176.7, 149.0, 141.2, 139.4, 132.4, 131.8, 130.2, 129.1, 128.9, 128.5, 127.4, 125.4, 125.1, 49.1, 32.6, 30.2, 27.0, 26.4, 26.2.

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; ACADIA PHARMACEUTICALS INC.; WO2007/47776; (2007); A1;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

104-11-0, name is 1-(4-Chlorophenyl)-N-methylmethanamine, 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. name: 1-(4-Chlorophenyl)-N-methylmethanamine

REFERENTIAL EXAMPLE 2 Dissolved in toluene was 3.1 g (0.02 mole) of 4-chloro-N-methyl-benzylamine, followed by an addition of a catalytic amount of pyridine and a further dropwise addition of 1.8 g (0.022 mole) of diketene at room temperature. After stirring the reaction mixture at room temperature for 3 hours, it was poured in water and then extracted with toluene. Subsequent to purification, N-methyl-N-(4-chlorobenzyl)acetamide was obtained in an oily form.

The synthetic route of 104-11-0 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Kumiai Chemical Industry Co., Ltd.; Toyo Jozo Co., Ltd.; US4736038; (1988); A;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Synthetic Route of 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.

General procedure: 14 Typical continuous diazotization procedure: Material A (50 mL of aqueous solution containing amine (100 mmol), fluoroboric acid (120 mmol), hydrochloric acid (180 mmol)), and material B (50 mL of aqueous solution containing sodium nitrite (105 mmol)) were pumped into the T-joint at 4 mL/min, respectively, after a residence time of about 15 s at 25 C in a reacting tube, the mixture flowed through the outlet and accumulated in the cooling vessel. Vigorous stirring was maintained. The solid was filtered with suction after the slurry was cooled to -5 C. The solid was washed with methanol and then dried in vacuo to yield the corresponding diazonium tetrafluoroborate. 15 Typical continuous fluorodediazoniation procedure: Slurry of the diazonium tetrafluoroborate prepared as above in 300 mL of cosolvent was introduced into a reacting tube continuously at a flow rate of 4 mL/min. The mixture was maintained for 1 min at setting temperature and then cooled in the tandem tube. The collected liquid was washed with aqueous NaOH and water, nearly colorless liquid was obtained.

According to the analysis of related databases, 626-43-7, the application of this compound in the production field has become more and more popular.

Reference:
Article; Yu, Zhi-Qun; Lv, Yan-Wen; Yu, Chuan-Ming; Su, Wei-Ke; Tetrahedron Letters; vol. 54; 10; (2013); p. 1261 – 1263;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Reference of 13918-92-8, The chemical industry reduces the impact on the environment during synthesis 13918-92-8, name is 2,4-Difluorobenzene-1-sulfonyl chloride, I believe this compound will play a more active role in future production and life.

A mixture of 4.0 g (21.4 mmol) C-3, 4.3 mL (32.1 mmol) 2,4-difluorobenzenesulfonyl chloride, 5.2 mL (64.2 mmol) pyridine and 50 mL DCM is stirred at RT for 5 h. After completion of the reaction, the solvent is removed under reduced pressure, the crude product is taken up in 50 mL water and extracted twice with 100 mL DCM. The combined organic layers are dried over MgSO4 and the solvent is removed under reduced pressure. The crude product can be used without further purification. Yield: 7.88 g (91%).

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, 2,4-Difluorobenzene-1-sulfonyl chloride, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; BOEHRINGER INGELHEIM INTERNATIONAL GMBH; WUNBERG, Tobias; KRAEMER, Oliver; van der VEEN, Lars; US2013/23533; (2013); A1;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

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. 2106-02-7, name is 2-Chloro-4-fluoroaniline belongs to chlorides-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below. Safety of 2-Chloro-4-fluoroaniline

To a solution of 197 mg (1.35 mmol) of 2-chloro-4-fluoroaniline and 0.20 ml (1.42 mmol) of triethylamine in 5 ml of ethyl acetate was added dropwise a solution of 400 mg (1.29 mmol) of ethyl 8-chlorosulfonyl-1,4-dioxaspiro[4.5]dec-7-ene-7-carboxylate obtained in (1c) in 3 ml of ethyl acetate with stirring under ice-cooling, followed by stirring at room temperature for 48 hours. Water was added to the reaction solution and the mixture was extracted with ethyl acetate. The organic layer was washed with water and dried over anhydrous magnesium sulfate, followed by concentration under reduced pressure. The residue was subjected to silica gel column chromatography (solvent; hexane : ethyl acetate = 3:1), and the resulting solid was further washed with a mixed solution of hexane-isopropyl ether (1:1) to give 325 mg of the title compound as a white powder (yield: 60%). Melting point 117-119C 1H-NMR spectrum (400 MHz, CDCl3) deltappm: 7.67 (1H, dd, J=9Hz, 5Hz), 7.16 (1H, dd, J=8Hz, 3Hz), 7.05-6.98 (2H, m), 6.83 (1H, s), 4.43-4.41 (1H, m), 4.26-4.01 (5H, m), 3.95-3.88 (1H, m), 2.56-2.45 (2H, m), 2.24-2.11 (1H, m), 1.88-1.80 (1H, m), 1.27 (3H, t, J=7Hz).

The synthetic route of 2106-02-7 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Daiichi Sankyo Company, Limited; EP1935879; (2008); 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. 6940-78-9, name is 1-Bromo-4-chlorobutane, A new synthetic method of this compound is introduced below., Safety of 1-Bromo-4-chlorobutane

General procedure: K2C03 (1.0 eq.) and the dihaloalkane (XIII, 1.0 eq.) were added to a solution of the appropriatethio-derivative XIV (1.0 eq.) in DMF (0.5 mL per mmcl XIII). The reaction mixture was stirred under nitrogen atmosphere for 5 h at rt. The crude reaction mixture was filtered and concentrated under reduced pressure. Sat. aq. NaHCO3 solution (1.0 mL per mmol XIII) was added and the mixture extracted with Et20 (3 x 1.0 mL per mmol XIII). The combined organic layers were evaporated on silica. Pure compound XV was obtained by column chromatography using theTeledyne ISCO apparatus (cyclohexane:EtOAc). The title compound was obtained according to the General Procedure VIII (Step 1) starting from1-bromo-4-chlorobutane (8.57 g, 50.0 mmol) and thiophenol (5.51 g, 50.0 mmol). Colorless liquid(8.06 g, 80%). 1H NMR (400 MHz, CDCI,) 6 1.79 – 1.88 (m, 2H), 1.91 – 1.99 (m, 2H), 2.98 (t, i = 7.1Hz, 2H), 3.57 (t, J = 6.5 Hz, 2H), 7.17 – 7.24 (m, 1H), 7.28 – 7.34 (m, 2H), 7.35 – 7.39 (m, 2H). MS(ESI) m/z: non-ionizable compound under routine conditions used.

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; FONDAZIONE ISTITUTO ITALIANO DI TECNOLOGIA; THE REGENTS OF THE UNIVERSITY OF CALIFORNIA; UNIVERSITA’ DEGLI STUDI DI PARMA; PIOMELLI, Daniele; PIZZIRANI, Daniela; BACH, Anders; SCARPELLI, Rita; MELZIG, Laurin; MOR, Marco; (72 pag.)WO2015/173169; (2015); 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. 6223-78-5, name is 2,5-Dichloro-2,5-dimethylhexane, This compound has unique chemical properties. The synthetic route is as follows., COA of Formula: C8H16Cl2

For comparison in the biological evaluation (Fig. 1 and 2) of compounds 1 – 3, [8 and 9] and 30-32, [8b and 9b] an authentic sample of bexarotene and its ketone analog (33a) were synthesized, following the reported route (Boehm, et al. “Synthesis and Structure-Activity Relationships of Novel Retinoid X Receptor-Selective Retinoids.” J. Med. Chem. 1994, 37, 2930-2941 ): a seven step, convergent synthesis that gave a 29% overall yield of bexarotene. The first sequence of steps to bexarotene concerned the SN1 conversion of 2,5-dimethyl-2,5-hexanediol (33b) to 2,5-dichloro-2,5- dimthylhexane (34) by HCI, and the subsequent aluminum trichloride catalyzed Friedel-Crafts alkylation of toluene to give 1 ,2,3,4-tetrahydro-l .l A4,6-pentamethylnapthalene (35) in 68% yield over two steps (Scheme 1 ).

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 6223-78-5.

Reference:
Patent; ARIZONA BOARD OF REGENTS, A BODY CORPORATE OF THE STATE OF ARIZONA, ACTING FOR AND ON BEHALF OF ARIZONA STATE UNIVERSITY; WAGNER, Carl E.; JURUTKA, Peter W.; MARSHALL, Pamela A.; VAN DER VAART, Arjan; WO2011/103321; (2011); A1;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Synthetic Route of 4863-91-6, As we all know, there are many different methods for the synthesis of a compound, and people can choose the synthesis method that suits their own laboratory according to the actual situation. 4863-91-6 name is 3-Chloro-5-fluoroaniline, This compound is widely used in many fields, so it is necessary to find a new synthetic route. The downstream synthesis method of this compound is introduced below.

a) 4-Bromo-3-chloro-5-fluoroaniline3- Chloro-5-fluoroaniline (2061 mmol, 300 g) was dissolved in ACN (3000 ml) and the solution cooled to 0C. NBS (2061 mmol, 367 g) was added to the reaction mixture in small portions keeping the temperature below 10 C. Reaction mixture was stirred at 10 +/- 5 C for 3.5 h. 10 % Aqueous NaHS03 was added and the reaction mixture was concentrated under vacuum to remove organic solvents. Water and DCM was added, stirred for 15 min and the phases were separated. The water phase was extracted with DCM. The combined organics were washed with water. The organic phase was evaporated. 2-Propanol was added to the residue and distilled until the steam temperature was 80 C. Water was added and the temperature was kept at 40 +/- 10 C. The mixture was cooled to 5 C and stirred for 4 h. The precipitate was removed by filtration, washed with water and dried under vacuum. 440.7 g of the title compound was obtained. 1 H-NMR (400 MHz, DMSO-c/6): delta 5.87 (s, 2H), 6.42-6.49 (m, 1H), 6.62-6.66 (m, 1H).

At the same time, in my other blogs, there are other synthetic methods of this type of compound, 3-Chloro-5-fluoroaniline, and friends who are interested can also refer to it.

Reference:
Patent; ORION CORPORATION; TOeRMAeKANGAS, Olli; WOHLFAHRT, Gerd; SALO, Harri; RAMASUBRAMANIAN, Rathna, Durga; PATRA, Pranab, Kumar; MARTIN, Arputharaj, Ebenezer; HEIKKINEN, Terhi; VESALAINEN, Anniina; MOILANEN, Anu; KARJALAINEN, Arja; WO2012/143599; (2012); A1;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics