Category: iodides-buliding-blocks

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 791642-68-7 as follows. Quality Control of 4-Bromo-1-iodo-2-methoxybenzene

2-Methylpyridine-4-boronic acid pinacol ester (5.49 g, 25.1 mmol) and Pd(PPh3)4 (3.62 g, 3.1 mmol) was added to a solution of intermediate 54 (9.8 g, 31.3 mmol) in dioxane (200 ml), H2O (50 ml) and K2CO3 (13 g, 94 mmol). The resulting mixture was stirred and heated at 100 C. for 18 h. The r.m. was cooled to r.t. and partitioned between H2O and DCM. The combined organic layers were dried (MgSO4), filtered and concentrated in vacuo. The residue was purified by flash column chromatography over silica gel (eluent: DCM/MeOH from 100/0 to 98/4). The product fractions were collected and concentrated in vacuo, yielding 4.5 g of intermediate 55 (52%).

According to the analysis of related databases, 791642-68-7, the application of this compound in the production field has become more and more popular.

Reference:
Patent; Van Brandt, Sven Franciscus Anna; De Cleyn, Michel Anna Jozef; Gijsen, Henricus Jacobus Maria; Berthelot, Didier Jean-Claude; Surkyn, Michel; US2012/295891; (2012); A1;,
Iodide – Wikipedia,
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Synthetic Route of 19094-56-5, 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. 19094-56-5, name is 2-Chloro-5-iodobenzoic acid, This compound has unique chemical properties. The synthetic route is as follows.

General procedure: The mixture of 5-bromo-2-chloro-4-(piperazin-1-yl)pyrimidinedihydrochloride 4 (0.00285 mol), substituted acid (0.00371 mol)and N, N, dimethylformamide (10 V) was cooled to 0e5 C. Further,N, N-Diisopropylethylamine (0.0142 mol), HATU (0.00371 mol) wasadded slowly at 0e5 C and mixture was stirred for 20 min. Thereaction mass warmed to 25e30 C and stirred for 16 h. Aftercompletion of reaction, the reaction mass was diluted with ethylacetate (25 V), organic layer was washed using 1 M citric acid solution,1 M lithium hydroxide solution and followed by water.Organic layer was concentrated and triturated using n-heptane.Reaction mass was filtered off and obtained solid was recrystallizedwith suitable solvent to obtain titled compounds.

The chemical industry reduces the impact on the environment during synthesis 2-Chloro-5-iodobenzoic acid. I believe this compound will play a more active role in future production and life.

Reference:
Article; Munikrishnappa, Chandrashekar Suradhenupura; Puranik, Sangamesh B.; Kumar, G.V. Suresh; Prasad, Y. Rajendra; European Journal of Medicinal Chemistry; vol. 119; (2016); p. 70 – 82;,
Iodide – Wikipedia,
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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. 612-55-5, name is 2-Iodonaphthalene, A new synthetic method of this compound is introduced below., Safety of 2-Iodonaphthalene

General procedure: To a 25 mL two neck round bottom flask attached with a reflux condenser, were added the aryl halide (1 mmol), boronic acid (1.25 mmol), Na2CO3 (2 mmol), and Pd nanoparticles (0.94 mol %) in 4 mL DMF or DMF/H2O (1:1), and the reaction mixture heated at the appropriate temperature and duration. The reaction was monitored by gas chromatography. After the reaction was complete, the mixture was extracted with ethyl acetate three times, the combined organic extracts dried over anhydrous Na2SO4 and the solvent evaporated at reduced pressure. The crude products were then purified by column chromatography [hexane or hexane/ethyl acetate (9:1)] and analyzed by GC, LC-MS, and NMR.

The synthetic route of 612-55-5 has been constantly updated, and we look forward to future research findings.

Reference:
Article; Bendre, Ameya D.; Kodam, Kisan M.; Patil, Viraj P.; Terdale, Santosh S.; Waghmode, Suresh B.; Journal of Organometallic Chemistry; vol. 909; (2020);,
Iodide – Wikipedia,
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Related Products of 199850-56-1, The chemical industry reduces the impact on the environment during synthesis 199850-56-1, name is Methyl 2-amino-4-chloro-5-iodobenzoate, I believe this compound will play a more active role in future production and life.

Intermediate 11 1 : 7-Chloro-4-hvdroxy-6-iodo-3-(o-tolyloxy)quinolin-2(1 H)-oneMethyl 2-amino-4-chloro-5-iodobenzoate (Intermediate 2) (1 g, 3.21 mmol) and ethyl 2-(o- tolyloxy)acetate (Aldrich, 0.655 g, 3.37 mmol) were dissolved in THF (10 mL) and KHMDS 1 M/THF (9.63 mL, 9.63 mmol) was added in one portion at room temperature under N2. The reaction mixture was stirred at room temperature for 1 h before quenched with MeOH and concentrated under reduced pressure. The residue was dissolved in 1 N NaOH then extracted with Et20. The aqueous extracts were acidified with 1 N HCI and the resulting precipitate was collected by filtration then washed successively with water and diethyl ether to give 7-chloro-4-hydroxy-6-iodo-3-(o-tolyloxy)quinolin-2(1 H)-one (1.03 g, 2.409 mmol, 75 % yield) as white solid. LCMS: (M+H)+ = 428; Rt = 2.46 min.

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, Methyl 2-amino-4-chloro-5-iodobenzoate, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; GLAXOSMITHKLINE LLC; DAUGAN, Alain Claude-Marie; LAMOTTE, Yann; MIRGUET, Olivier; WO2012/119978; (2012); A1;,
Iodide – Wikipedia,
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Application of 19094-56-5, The chemical industry reduces the impact on the environment during synthesis 19094-56-5, name is 2-Chloro-5-iodobenzoic acid, I believe this compound will play a more active role in future production and life.

EXAMPLE 57A A solution of 2-chloro-5-iodobenzoic acid (600 mg), phenylboronic acid (285 mg) and PdCl2(dppf) (173 mg) in 3M Na2CO3 (2.83 mL) and dioxane (4.5 mL) at 60 C. was stirred for 4 hours, cooled, acidified with 1M HCl, and extracted with ethyl acetate. The extract was washed with brine and concentrated. The concentrate was flash chromatographed on silica gel with ethyl acetate.

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-Chloro-5-iodobenzoic acid, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; Wendt, Michael D.; Sun, Chaohong; Sauer, Daryl R.; Elmore, Steven W.; Kunzer, Aaron R.; US2007/72833; (2007); A1;,
Iodide – Wikipedia,
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Application of 452-79-9, 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. 452-79-9, name is 2-Fluoro-1-iodo-4-methylbenzene belongs to iodides-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below.

Example 180 (5R)-7-(2-Fluoro-4-methylphenyl)-2-(trans-4-hydroxycyclohexyl)-2,7-diazaspiro[4.5]decan-l- one H A mixture of (5R)-2-(fralphar°-4-hydroxycyclohexyl)-2,7-diazaspiro[4.5]decan-l-one (20 mg, 0.00007 mol, this compound was prepared by using procedures analogous to those described in example 1, steps 1-5), 4-methyl-2-fluoro-l-iodobenzene (21 mg, 0.00009 mol), sodium tert-bvAoxide (9.98 mg, 0.000104 mol), 1,4,7,10,13,16-hexaoxacyclooctadecane (27.4 mg, 0.000104 mol) , 2-(di- tert-butylphosphino)biphenyl (0.8 mg, 0.000003 mol) , tris(diben2ylideneacetone)dipalladium(0) (1 mg, 0.000001 mol), in tert-butyl alcohol (1.0 mL, 0.010 mol) was stirred at rt for 18. The crude product was purified by prep-HPLC to afford the desired product. . LC-MS: 361.1 (MfH)+.

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-Fluoro-1-iodo-4-methylbenzene, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; INCYTE CORPORATION; WO2006/53024; (2006); A2;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Adding a certain compound to certain chemical reactions, such as: 59528-27-7, name is (4-Iodophenyl)methanamine hydrochloride, belongs to iodides-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 59528-27-7, Computed Properties of C7H9ClIN

A mixture of (4-iodophenyl)methanamine hydrochloride (5.0 g, 18.55 mmol, 1.0 eq), (1S,2S)-N1,N2- dimethylcyclohexane-l,2-diamine (0.59 mL 3.71 mmol, 0.2 eq), Sodium ascorbate (368 mg, 1.86 mmol, 0.1 eq), Copper Iodide (530 mg, 2.78 mmol, 0.15 eq), Sodium azide (2.41 g, 37.1 mmol, 2.0 eq) , Et3N (3.11 mL, 22.26 mmol, 1.2 eq) and 2-(prop-2-yn-l-yloxy)tetrahydro- 2H-pyran (2.6 g, 18.55 mmol, 1.0 eq) in Methanol (50 mL) and water (12 mL) were purged with Nitrogen for 5 minutes and heated to 55 C for overnight. The reaction mixture was cooled to room temperature and filtered through 413 filter paper. Celite was added and the solvent was removed under reduced pressure and the residue was purified over silica gel (120 g) using dichloromethane/(methanol containing 12 % (v/v) aqueous ammonium hydroxide) as mobile phase. The concentration of (methanol containing 12 % (v/v) aqueous ammonium hydroxide) was gradually increased from 0 % to 6.25 % to afford (4-(4-(((tetrahydro-2H-pyran-2- yl)oxy)methyl)-1H-1,2,3-triazol-1-yl)phenyl)methanamine (15, 3.54 g, 66%) as a white solid. LCMS m/z: [M + H]+ Calcd for Ci5H2oN402 289.2; Found 289.2.

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-Iodophenyl)methanamine hydrochloride, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; SIGILON THERAPEUTICS, INC.; SEWELL, Jered, A.; CARMONA, Guillaume; GONZALEZ, Francisco, Caballerro; HEIDEBRECHT, Richard; MILLER, Robert, James; OBERLI, Matthias, Alexander; PERITT, David; SMITH, Devyn, McKinley; VEISEH, Omid; WOTTON, Paul, Kevin; (182 pag.)WO2019/67766; (2019); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Adding a certain compound to certain chemical reactions, such as: 128140-82-9, name is 1-(Difluoromethoxy)-4-iodobenzene, belongs to iodides-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 128140-82-9, Quality Control of 1-(Difluoromethoxy)-4-iodobenzene

Step a) 1-(Difluoromethoxy)-4-(phenylethynyl)benzene Into a mixture of ethynylbenzene (1.9 g, 18.5 mmol), 1-(difluoromethoxy)-4-iodobenzene (5 g, 18.5 mmol), N,N-dimethylformamide (35 mL), and triethylamine (12.8 mL, 92.6 mmol) was introduced anhydrous argon for 5 minutes. Then, copper(I) iodide (1.85 mmol, 351 mg) and dichlorobis(triphenylphosphine)palladium(II) (1.11, 0.71 g) were added into the mixture and the new mixture was stirred at 60 C. for 3 hours. The mixture cooled to room temperature, poured into water and extracted with ethyl ether. The organic extracts were dried over MgSO4. Evaporation and purification on silica gel (ISCO) using hexanes/EtOAc (100/1) as the eluding solvent, gave 1-(difluoromethoxy)-4-(phenylethynyl)benzene as a clear oil (3.45 g, 76% yield). MS m/e M+244; 1H NMR (400 MHz, DMSO-d6) delta 7.2 (d, J=8.78 Hz, 2H), 7.28-7.45 (m, 4H), 7.5-7.55 (m, 2H), 7.6 (d, J=7.78 Hz, 2H).

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, 1-(Difluoromethoxy)-4-iodobenzene, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; WYETH; US2009/48320; (2009); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Electric Literature of 34270-90-1, 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. 34270-90-1 name is 1-Iodo-2-(2-iodoethoxy)ethane, 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.

To a solution of Intermediate 34 (2.60 g, 10.9 mmol) in DML (20 mL) was added sodium hydride (1.04 g, 21.7 mmol) at 0C. The reaction mixture was stirred at r.t. for 30 minutes, then l-iodo-2-(2-iodoethoxy)ethane (5.31 g, 16.3 mmol) was added. The reaction mixture was heated at 80C for 16 h, then poured into ice and extracted with EtOAc (3 x 100 mL). The combined organic layers were separated, washed with water (100 mL) and brine (100 mL), then dried over anhydrous Na2S04and concentrated in vacuo. The crude residue was purified by flash chromatography on silica (0-20% EtOAc in hexanes) to afford the title compound (2.00 g, 60%) as a yellow oil. 6n (400 MHz, DMSO-de) 1.06 (t, J7.09 Hz, 3H), 1.95-2.02 (m, 2H), 2.17-2.22 (m, 2H), 3.64-3.71 (m, 2H), 3.72-3.80 (m, 2H), 3.85 (s, 3H), 4.05 (q, J6.85 Hz, 2H), 7.66 (d, J8.80 Hz, 1H),7.75 (s, 1H), 7.83-7.88 (m, 1H).

At the same time, in my other blogs, there are other synthetic methods of this type of compound, 1-Iodo-2-(2-iodoethoxy)ethane, and friends who are interested can also refer to it.

Reference:
Patent; UCB BIOPHARMA SRL; BRACE, Gareth Neil; BROOKINGS, Daniel Christopher; FOULKES, Gregory; LECOMTE, Fabien Claude; (0 pag.)WO2020/11731; (2020); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Adding a certain compound to certain chemical reactions, such as: 40400-15-5, name is 2-(2-Iodophenyl)acetonitrile, belongs to iodides-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 40400-15-5, Recommanded Product: 2-(2-Iodophenyl)acetonitrile

General procedure: A tube was loaded with CuCl (50 mg, 0.50 mmol) and CsF (228 mg,1.50 mmol) and sealed with a rubber septum. Anhydrous acetonitrile (1 mL) was added and the mixture was cooled to 0 C. Diethyl [(trimethylsilyl)difluoromethyl]phosphonate (neat, 325 mg, 1.25 mmol) was added and the mixture was heated at 40C for 1 h, cooled to 0 C and stirred at this temperature for 1 h. Pd(PPh3)Cl2 (18 mg,0.025 mmol) was added followed by a solution of the corresponding iodoarene 1 (0.50 mmol) in MeCN (1 mL). The suspension was stirred for 16 h at 40C. The reaction mixture was diluted with diethyl ether(15 mL), the organic layer was washed with water (15 mL), Na2CO3 (concentrated solution, 15 mL), dried over Na2SO4, and solvents were carefully removed under vacuum. Reverse-phase chromatography (H2O/MeCN or MeOH, gradient: 9:1 to 0:1, rate: 1% MeCN or MeOH per minute) gave the product 2.

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-(2-Iodophenyl)acetonitrile, other downstream synthetic routes, hurry up and to see.

Reference:
Article; Ivanova, Maria V.; Besset, Tatiana; Pannecoucke, Xavier; Poisson, Thomas; Synthesis; vol. 50; 4; (2018); p. 778 – 784;,
Iodide – Wikipedia,
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