Sep-21 News The origin of a common compound about 3032-81-3

The synthetic route of 3032-81-3 has been constantly updated, and we look forward to future research findings.

Electric Literature of 3032-81-3, A common heterocyclic compound, 3032-81-3, name is 1,3-Dichloro-5-iodobenzene, molecular formula is C6H3Cl2I, 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.

Preparation of 1,3-dichloro-5-iodo-2-methylbenzene To the mixture of LDA (5 mL, 8.6 mmol) in THF (20 mL) was added compound 1,3-dichloro-5-iodobenzene (2.35 g, 8.6 mmol) under -78° C. Then the mixture was added to the pre-cooled solution of (CH3)2SO4 (12 mL, 10.3 mmol) in THF (10 mL) under -78° C. The solution was concentrated under vacuum. The residue was diluted with EA, washed with 1N HCl, 1N NaOH, brine, dried over Na2SO4, concentrated under vacuum to give the desired product (2.3 g, 93percent yield).

The synthetic route of 3032-81-3 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Anacor Pharmaceuticals, Inc.; Eli Lilly and Company; Akama, Tsutomu; Balko, Terry William; Defauw, Jean Marie; Plattner, Jacob J.; White, William Hunter; Winkle, Joseph Raymond; Zhang, Yong-Kang; Zhou, Yasheen; US2013/131016; (2013); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

26-Sep-2021 News Research on new synthetic routes about 3032-81-3

The synthetic route of 1,3-Dichloro-5-iodobenzene has been constantly updated, and we look forward to future research findings.

Application of 3032-81-3, 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. 3032-81-3, name is 1,3-Dichloro-5-iodobenzene belongs to iodides-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below.

General procedure: A mixture of N-picolinoylcyclododecylamine (3) (0.2 mmol, 57.6 mg), aryl iodide4 (0.4 mmol), Ag2CO3 (0.3 mmol, 82.7 mg), and Pd(OAc)2 (0.04 mmol, 9.0 mg)in t-AmOH (1 mL) was stirred for 48 h at 110 C in the dark. After dilution withEtOAc, the mixture was filtered and the filtrate was concentrated in vacuo. Theresidue was purified by preparative TLC (EtOAc/CHCl3/hexane = 1:1:8) to givethe corresponding product. Trans-3-(4-nitrophenyl)-N-picolinoylcyclododecylamine[5a(trans)]

The synthetic route of 1,3-Dichloro-5-iodobenzene has been constantly updated, and we look forward to future research findings.

Reference:
Article; Seki, Atsushi; Tetrahedron Letters; vol. 58; 45; (2017); p. 4232 – 4235;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

24-Sep News The important role of 3032-81-3

The synthetic route of 3032-81-3 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. 3032-81-3, name is 1,3-Dichloro-5-iodobenzene, A new synthetic method of this compound is introduced below., Formula: C6H3Cl2I

To a mixture of (1R, 3r, 5S) -tert-butyl 3-hydroxy-8-azabicyclo [3.2.1] octane-8-carboxylate (5.00 g, 22.00 mmol) in toluene (50 mL) was added 3, 5-dichloroiodobenzene (6.00 g, 22.00 mmol) , cesium carbonate (21.50 g, 66.00 mmol) , copper (I) iodide (0.63 g, 3.30 mmol) , 3, 4, 7, 8-tetramethyl-1, 10-phenantroline (1.60 g, 6.60 mmol) and molecular sieves (4A, 5.00 g) . The reaction mixture was degassed by passing a stream of argon through it and then heated at 80 in a sealed vial for 120 hours. After cooling to ambient temperature, the reaction mixture was diluted with ethyl acetate (150 mL) and filtered over diatomaceous earth. Concentration of the filtrate in vacuo gave a residue which was purified by flash chromatography (0 to 20ethyl acetate in hexanes) to afford the title compound as a yellowish oil (3.80 g, 46) :1H NMR (300 MHz, CDCl3) delta 6.93-6.90 (m, 1H) , 6.71-6.69 (m, 2H) , 4.59-4.53 (m, 1H) , 4.28-4.09 (m, 2H) , 2.24-1.85 (m, 8H) , 1.45 (s, 9H) MS (ES+) m/z 316.1, 318.1 (M -55) .

The synthetic route of 3032-81-3 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; GENENTECH, INC.; XENON PHARMACEUTICALS INC.; ANDREZ, Jean-Christophe; BICHLER, Paul Robert; CHEN, Chien-An; CHOWDHURY, Sultan; DECKER, Shannon Marie; DEHNHARDT, Christoph Martin; FOCKEN, Thilo; GRIMWOOD, Michael Edward; HEMEON, Ivan William; JIA, Qi; LI, Jun; LIU, Zhiguo; ORTWINE, Daniel F.; SAFINA, Brian; SUTHERLIN, Daniel; SHENG, Tao; SUN, Shaoyi; WHITE, Andrew D.; WILSON, Michael Scott; ZENOVA, Alla Yurevna; ZHU, Jiuxiang; WO2015/78374; (2015); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

9/3/2021 News The origin of a common compound about 3032-81-3

The synthetic route of 3032-81-3 has been constantly updated, and we look forward to future research findings.

Synthetic Route of 3032-81-3, A common heterocyclic compound, 3032-81-3, name is 1,3-Dichloro-5-iodobenzene, molecular formula is C6H3Cl2I, 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.

Example 87BN-[(2Z)-3-(3,5-dichlorophenyl)-5-methyl-1,3-thiazol-2(3H)-ylidene]-2,2-dimethylpropanamide; In a 4 mL vial charged with a stir bar, 2,2-dimethyl-N-(5-methyl-1,3-thiazol-2-yl)propanamide (71 mg, 0.35 mmol) was added, followed by copper(I) trifluoromethanesulfonate benzene complex (35 mg, 0.07 mmol), 5-chloro-1,10-phenanthroline (30 mg, 0.14 mmol) and cesium carbonate (126 mg, 0.39 mmol). A loose cap with septum was placed on the vial and the vial was placed under vacuum in a vacuum oven for 30 minutes. The solid mixture was purged with nitrogen gas a couple of times. Then 1,3-dichloro-5-iodobenzene (115 mg, 0.42 mmol) dissolved in 1-methyl-2-pyrrolidinone (1.0 mL) was added to the solid mixture. The vial was capped and placed on a heater/stirrer and heated to 120° C. overnight. Then a 1 mL solution of concentrated ammonium hydroxide/water (1:2) was added. The reaction was filtered and concentrated to dryness. The residue was purified by reverse phase HPLC (C8, gradient 10-100percent acetonitrile/water/0.1percent trifluoroacetic acid).1H NMR (500 MHz, DMSO-d6/D2O) delta ppm 1.08-1.12 (m, 9H) 2.25-2.31 (m, 3H) 7.41-7.47 (m, 1H) 7.68 (t, 1H) 7.81-7.85 (m, 2H); MS (ESI) m/z 343 (M+H)+.

The synthetic route of 3032-81-3 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; ABBOTT LABORATORIES; US2009/163470; (2009); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Continuously updated synthesis method about 1,3-Dichloro-5-iodobenzene

According to the analysis of related databases, 3032-81-3, the application of this compound in the production field has become more and more popular.

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. 3032-81-3, name is 1,3-Dichloro-5-iodobenzene, This compound has unique chemical properties. The synthetic route is as follows., Quality Control of 1,3-Dichloro-5-iodobenzene

A mixture of D-methionine A (2.50 g, 16.8 mmol), 1 ,3-dichloro-5-iodo-benzene B (4.6 g, 17 mmol), copper(I) iodide (0.80 g, 4.2 mmol) and Cs2C03 (6.6 g, 20 mmol) in DMSO (20 mL) was heated at 90 °C for 23 h. To the reaction mixture was added 5percent citric acid until pH = 4, and then the mixture was extracted with EtOAc (3 x 50 mL), This crude was purified via column chromatography (gradient MeOH/CH2Cl2) to afford the desired product (2.59 g, 54percent yield) as an oil. A mixture of the methionine C and Mel (15 mL, 240 mmol) was stirred at 25 °C for 18 h, followed by adding TBME to form a precipitate which was filtered to afford a brown solid D (3.1 g, 42percent). .H NMR (400MHz ,DMSO-d6) delta = 6.72 (d, J = 2.0 Hz, 1 H), 6.65 (d, J = 2.0 Hz, 2 H), 4.33 – 4.15 (m, 1 H), 3.43 – 3.35 (m, 2 H), 2.89 (s, 3 H), 2.85 (s, 3 H); m/z 308 (M-128).

According to the analysis of related databases, 3032-81-3, the application of this compound in the production field has become more and more popular.

Reference:
Patent; BIOGEN IDEC MA INC.; ERLANSON, Daniel, A.; MARCOTTE, Doug; KUMARAVEL, Gnanasambandam; FAN, Junfa; WANG, Deping; CUERVO, Julio, H.; SILVIAN, Laura; POWELL, Noel; BUI, Minna; HOPKINS, Brian, T.; TAVERAS, Art; GUAN, Bing; CONLON, Patrick; ZHONG, Min; JENKINS, Tracy, J.; SCOTT, Daniel; SUNESIS PHARMACEUTICALS, INC.; LUGOVSKOY, Alexey, A.; WO2011/29046; (2011); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Application of 1,3-Dichloro-5-iodobenzene

Statistics shows that 1,3-Dichloro-5-iodobenzene is playing an increasingly important role. we look forward to future research findings about 3032-81-3.

Related Products of 3032-81-3, These common heterocyclic compound, 3032-81-3, name is 1,3-Dichloro-5-iodobenzene, 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.

General procedure: A solution of 4-cyano-1H-imidazole (1000 mg, 10.74 mmol), 4-iodo -2-(trifluoromethyl)pyridine (3800 mg,14 mmol), (1R,2R)-N1,N2-dimethyl cyclohexane -1,2-diamine (150 mg, 1.07 mmol), CuI (200 mg, 1.07 mmol) and Cs2CO3 (7000 mg, 21.5 mmol) in 20 mL anhydrous DMF was stirred at 100 oC for 2 hours. The reaction mixture was cooled to room temperature and poured into 200 mL water. The mixture was extracted with ethyl acetate (80 mL*3). The organic layer were combined, washed by brine, dried by Na2SO4 and evaporated. The crude product was purified by silica flash column to afford compound 2 as white solid(1.5 g, 59percent yield).

Statistics shows that 1,3-Dichloro-5-iodobenzene is playing an increasingly important role. we look forward to future research findings about 3032-81-3.

Reference:
Article; Zheng, Qiangang; Chen, Ziqi; Wan, Huixin; Tang, Shuai; Ye, Yan; Xu, Yuan; Jiang, Lei; Ding, Jian; Geng, Meiyu; Huang, Min; Huang, Ying; Bioorganic and Medicinal Chemistry Letters; vol. 28; 23-24; (2018); p. 3808 – 3812;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Extracurricular laboratory: Synthetic route of C6H3Cl2I

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 3032-81-3, its application will become more common.

Some common heterocyclic compound, 3032-81-3, name is 1,3-Dichloro-5-iodobenzene, molecular formula is C6H3Cl2I, 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. HPLC of Formula: C6H3Cl2I

General procedure: To 4-amino-l-(4-methoxybenzyl)-lH-imidazo[4,5-c]pyridine-2-thiol (103) (50 mg, 0.174 mmol) was added respective iodine (0.348 mmol), neocuproine hydrate (3.6 mg, 0.0174 mmol), Cul (3.3 mg, 0.0174 mmol), sodium tert-butoxide (25 mg, 0.261 mmol) and lastly DMF (5 mL) and the reaction mixture was stirred at 1 10°C for 24 hours. Then, the solvent was removed under reduced pressure and the crude product was purified by preparatory TLC (CH2Cl2:MeOH-NH3 (7N), 10: 1) to afford desired compounds 104a-c. [0457] 2-((3,5-dichlorophenyl)thio)-l-(4-methoxybenzyl)-lH-imidazo[4,5-c]pyridin-4-amine (104a). Obtained as pale yellow solid 39percent yield. LCMS found m/z 430.97 [M+H]+.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 3032-81-3, its application will become more common.

Reference:
Patent; MEMORIAL SLOAN-KETTERING CANCER CENTER; CHIOSIS, Gabriela; YAN, Pengrong; PATEL, Pallav; PATEL, Hardik J.; TALDONE, Tony; YANG, Chenghua; SUN, Weilin; OCHIANA, Stefan; WO2015/23976; (2015); A2;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Extended knowledge of 3032-81-3

The synthetic route of 3032-81-3 has been constantly updated, and we look forward to future research findings.

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. 3032-81-3, name is 1,3-Dichloro-5-iodobenzene belongs to iodides-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below. COA of Formula: C6H3Cl2I

In a solution of 5.0 g of 3,5-dichloro-1-iodobenzene in 50 ml of t-butylmethylether, 12.2 ml of n-butyl lithium (1.58M hexane solution) was added dropwise at -78°C with stirring, after the completion of the addtion dropwise, stirred at the same temperature for 30 minutes. 6.6 g of chlorodifluoroacetic acid methyl ester was added dropwise at -78°C with stirring in the reaction mixture, after the completion of the addition drropwise, continued to stir at 0°C for further 30 minutes. After the completion of the reaction, the reaction mixture was poured in 100 ml of saturated ammonium chloride aqueous solution, extracted with ethyl acetate (100 ml x 1). The organic phase was dehydrated with saturated sodium chloride aqueous solution and dried over anhydrous magnesium sulfate, and then the solvent was distilled off under reduced pressure to obtain 4.6 g of crude aimed product as pale yellow oily substance. The resulting product was used as such without purification for the next step. 1H NMR (CDCl3, Me4Si, 300MHz) delta7.97 (s, 2H), 7.68 (s, 1 H).

The synthetic route of 3032-81-3 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Nissan Chemical Industries, Ltd.; EP1731512; (2006); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Extended knowledge of 1,3-Dichloro-5-iodobenzene

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 3032-81-3, its application will become more common.

Some common heterocyclic compound, 3032-81-3, name is 1,3-Dichloro-5-iodobenzene, molecular formula is C6H3Cl2I, 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. Quality Control of 1,3-Dichloro-5-iodobenzene

EXAMPLE 31 1-(3,5-Dichlorophenyl)-3-methyl-1-butyn-3-ol A mixture of 25.5 g (0.094 mole) of 3,5-dichloroiodobenzene, 550 ml dry triethylamine, 12 g (0.14 mole) of 2-methyl-2-hydroxy-3-butyne, 0.42 g (0.0019 mole) palladium (II) acetate, and 1 g (0.0038 mole) of triphenylphosphine was heated to reflux under nitrogen for four hours. The resulting mixture was cooled, diluted with ether and washed with two 500-ml portions of 3N hydrochloric acid. The ether layer was separated, dried over anhydrous magnesium sulfate, and evaporated in vacuo to yield the crude product as an oily residue. The purified product was obtained by distillation to yield 7.95 g, bp 115°-125° C./0.0001 mm.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 3032-81-3, its application will become more common.

Reference:
Patent; McNeilab, Inc.; US4898889; (1990); A;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Share a compound : 3032-81-3

The synthetic route of 3032-81-3 has been constantly updated, and we look forward to future research findings.

Application of 3032-81-3, These common heterocyclic compound, 3032-81-3, name is 1,3-Dichloro-5-iodobenzene, 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.

EXAMPLE 26 1-(3,5-Dichlorophenyl)-3-methyl-1-butyn-3-ol A mixture of 25.5 g (0.094 mole) of 3,5-dichloroiodobenzene, 550 ml dry triethylamine, 12 g (0.14 mole) of 2-methyl-2-hydroxy-3-butyne, 0.42 g (0.0019 mole) palladium (II) acetate, and 1 g (0.0038 mole) of triphenylphosphine was heated to reflux under nitrogen for four hours. The resulting mixture was cooled, diluted with ether and washed with two 500-ml portions of 3N hydrochloric acid. The ether layer was separated, dried over anhydrous magnesium sulfate, and evaporated in vacuo to yield the crude product as an oily residue. The purified product was obtained by distillation to yield 7.95 g, bp 115°-125° C./0.0001 mm.

The synthetic route of 3032-81-3 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; McNeilab, Inc.; US4661635; (1987); A;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com