Iodides-buliding-blocks

Electric Literature of 124700-41-0, The chemical industry reduces the impact on the environment during synthesis 124700-41-0, name is 2-Fluoro-5-iodobenzoic acid, I believe this compound will play a more active role in future production and life.

2-Fluoro-5-iodobenzoic acid (10.000 g, 37.592 mmol) was dissolved in 40 mL of dichloromethane and 1 mL of N,N-dimethylformamide, and stirred at room temperature to dissolve oxalyl chloride (3.800 mL, 45.110 mmol) 10 mL of dichloromethane was added dropwise to the reaction system, and the mixture was stirred at room temperature for 1 hour. After the reaction was completed, the reaction solution was spun dry and replaced with anhydrous toluene three times to obtain an oily liquid thirteenth Compound.

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

Reference:
Patent; Beijing Institute of Technology; Liang Jianhua; Ma Congxuan; (37 pag.)CN109942654; (2019); A;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Application of 7681-82-5,Some common heterocyclic compound, 7681-82-5, name is Sodium iodide, molecular formula is INa, 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.

To a round-bottomed flask were added dichloride(pentamethylcyclopentadienyl)iridium(III) dimer (0.1 mmol, 79.5 mg) and sodium iodide (1 mmol, 150 mg). The round-bottomed flask was equipped with a reflux condenser and capped with a rubber septum. An ultrapure argon flow was passed through the system for 30 min. Then, anhydrous acetone (10 mL) was added using syringe and needle, the ultrapure argon flow was reduced, and the reaction mixture was refluxed under stirring for 3 h. Afterwards, the solvent was evaporated under reduced pressure to give a solid which was dissolved in CH2Cl2 (20 mL), washed with distilled water (3 x 10 mL), and dried over Na2SO4. After filtration, the solvent was evaporated under reduced pressure, affording the desired catalyst. Yield: 107 mg (92%); reddish solid; Rf = 0.41 (eluent: dichloromethane); 1H NMR (300 MHz, CDCl3): delta 1.76 (s, 30H); 13C NMR (75 MHz, CDCl3): delta 88.8, 10.7; IR (KBr, cm-1) 3442.9, 2918.3, 1629.9; HRMS (ESI): m/z [M – I]+ calcd for C20H30I3Ir2: 1036.8740; found: 1036.8713

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

Reference:
Article; Correa, Bianca K.; Silva, Tamiris R.C.; Raminelli, Cristiano; Tetrahedron Letters; vol. 59; 39; (2018); p. 3583 – 3585;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

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. 82998-57-0, name is 3-Iodo-4-methylbenzoic acid belongs to iodides-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below. name: 3-Iodo-4-methylbenzoic acid

To a solution of 3-iodo-4-methylbenzoic acid (15 g, 57.14 mmol) in methanol, concentrated sulfuric acid was slowly added dropwise. The reaction solution was allowed to exotherm. After addition, the solution was heated to 70 C. the reaction monitored by TLC was completed 48 h later. The methanol was evaporated under reduced pressure to give brown oil which was slowly poured into 200 mL of water, and the mixture was milk white with heat emission. The aqueous phase was extracted with DCM twice. The DCM layer combined was washed successively with aqueous sodium bicarbonate solution, saturated aqueous sodium chloride solution, water once. The DCM layer was dried over anhydrous sodium sulfate and evaporated to dryness under reduced pressure to give the title product as a yellowish brown oil.

The synthetic route of 82998-57-0 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Si Chuan University; Yang, Shengyong; Wei, Yuquan; (168 pag.)US2017/305920; (2017); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

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. 148870-57-9, name is 7,8-Dimethoxy-3-(3-iodopropyl)-1,3-dihydro-2H-3-benzazepin-2-one, A new synthetic method of this compound is introduced below., Product Details of 148870-57-9

Based on EP 0 534 859 A solution of the (d) camphorsulphonate salt obtained in Example 4 in ethyl acetate is brought to basic pH using sodium hydroxide and then the organic phase is separated off, washed, dried over Na2SO4 and evaporated. A mixture composed of 5.6 g of potassium carbonate, 2.2 g of the above amine in 100 mL of acetone and 4 g of 3-(3-iodopropyl)-7,8-dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one is then refluxed for 18 hours. The solvent is evaporated off in vacuo, and the residue is taken up in ethyl acetate and then extracted with 3N hydrochloric acid. The aqueous phase separated off is brought to basic pH using sodium hydroxide and is then extracted with ethyl acetate. After washing until neutral and drying over MgSO4, evaporation in vacuo is carried out to obtain 4.5 g of an oil which is purified on a silica column using a mixture of dichloromethane/methanol (90/10) as eluant. Yield=64%

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; LES LABORATOIRES SERVIER; CARRANZA, Maria Del Pilar; GARCIA ARANDA, Maria Isabel; GONZALEZ, Jose Lorenzo; SANCHEZ, Frederic; US2014/107334; (2014); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Application of 112671-42-8, 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. 112671-42-8, name is 4-Bromo-1-iodo-2-nitrobenzene, This compound has unique chemical properties. The synthetic route is as follows.

(1) Take 21.2 g (100 mmol) of 4-dibenzofuran boronic acid,32.6g (100mmol) of 2-iodo-5-bromonitrobenzene,(1%) Pd (PPh3) 4,40g (300mmol) sodium carbonate,Toluene (800mL), ethanol (200mL) and water (200mL),Heated to reflux, reacted for 8h, the reaction was completed;The reaction solution was extracted with ethyl acetate, and the organic phase was concentrated.A yellow solid A was obtained;

The chemical industry reduces the impact on the environment during synthesis 4-Bromo-1-iodo-2-nitrobenzene. I believe this compound will play a more active role in future production and life.

Reference:
Patent; Yantai Xianhua Chemical Technology Co., Ltd.; Xing Qifeng; Feng Peichuan; Chen Yue; Hu Lingfeng; Chen Yili; (28 pag.)CN110698458; (2020); A;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Adding a certain compound to certain chemical reactions, such as: 340825-13-0, name is 6-Iodo-3,4-dihydronaphthalen-1(2H)-one, 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 340825-13-0, Application In Synthesis of 6-Iodo-3,4-dihydronaphthalen-1(2H)-one

A solution of 6-iodo-3,4-dihydronaphthalen-1(2B)-one (5.0 g, 18.38 minol), 4- fluorobenzenethiol (4.11 mL, 38.6 minol) and absolute ethanol (20 mL) was cooled with an ice-water bath and bubbled with HC1 gas until saturation was reached (observed by theformation of a white precipitate). The mixture was allowed to warm to rt and stirred overnight. The mixture was dissolved in ether (250 mL) and washed sequentially with water (2 x 125 mL), 0.5 M aqueous Na2CO3 (3 xlOO mL) and brine (100 mL). The organic layer was dried and concentrated to provide a solid (9.2 g) which was a mixture of thioketal and vinyl sulfide. The solid was dissolved in chloroform (150 mL) andcooled in an ice-water bath. A solution of mCPBA (35 g, 156 minol) in DCM (200 mL)was washed with brine (50 mL), dried, filtered, and the filter cake was washed with DCM(50 mL). The combined filtrates were added dropwise in portions to the chloroformsolution of the products from above until the reaction was completed as judged by LCMS(175 ml. of the mCPBA solution was needed). The mixture was cooled in an ice bath,filtered to remove the insoluble material, and the filtrate was stirred with 10% aqueousNa2S2O3 (120 mL) for 5 min. The organic phase was separated, washed sequentially with 10% aqueous Na2S2O3 (2 x 120 mL), 10% aqueous Na2CO3 (3 x 200 mL) and brine (150 mL), dried and concentrated. The residue was purified by column chromatography on silica gel, eluting with EtOAc-hexanes (gradient from 0-20%) to give 4-((4- fluorophenyl)sulfonyl)-7-iodo-1,2-dihydronaphthalene (5.3 g, 70% yield) as a white foamy solid.

At the same time, in my other blogs, there are other synthetic methods of this type of compound, 6-Iodo-3,4-dihydronaphthalen-1(2H)-one, and friends who are interested can also refer to it.

Reference:
Patent; BRISTOL-MYERS SQUIBB COMPANY; BATT, Douglas G.; DHAR, T.G. Murali; (146 pag.)WO2018/71314; (2018); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Adding a certain compound to certain chemical reactions, such as: 33348-34-4, name is 4-Amino-3-iodobenzonitrile, 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 33348-34-4, Application In Synthesis of 4-Amino-3-iodobenzonitrile

2-(4,4-Dimethyl-[1,3,2]dioxaboronan-2-yl)-benzoic acid ethyl ester (19.84 g) , 2-iodo-4-cyanoaniline (18.47 g), tetrakis(triphenylphosphine) palladium (8.75 g) and potassium phosphate (35.36 g) were added to dioxane (360 ml), and the resulting mixture was heated under reflux overnight. The reaction solvent was cooled, and the produced solid was collected by filtration, washed with water and dried to thereby obtain 17.3 g (yield: quantitative) of the title compound as a yellow solid. 1H-NMR(DMSO-de) dppm: 7.47 (lH,d,J=8.5Hz), 7.6-8.0 (3H,m), 8.1-8.2 (IH,m), 8.3-8.4 (IH,m), 8.98 (IH,s), 12.05(lH,brs)

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; OTSUKA PHARMACEUTICAL CO., LTD.; WO2006/35954; (2006); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Adding a certain compound to certain chemical reactions, such as: 260355-20-2, name is 1-Chloro-4-iodo-2-(trifluoromethyl)benzene, 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 260355-20-2, Recommanded Product: 1-Chloro-4-iodo-2-(trifluoromethyl)benzene

The 1-chloro-4-iodo-2-trifluoromethylbenzene (10 mmol) obtained in the reaction 1.2 was dissolved in 20 ml of toluene, and the system was sequentially added with isoxazol-4-amine (12 mmol), palladium acetate ( 0.5 mmol), 2,2′-bis(diphenylphosphino)-1,1′-binaphthyl (12 mmol), 3 ml of triethylamine. After stirring for 10 minutes, add 10 ml of cesium carbonate (10 mmol). The aqueous solution was heated to 50 C for 4 hours. After the reaction was completed, 20 ml of water was added to the system, and the mixture was stirred for 20 minutes. The organic phase was dried over anhydrous sodium sulfate, concentrated, and then evaporated -(4-Chloro-3-trifluoromethylphenyl)-isoxazole-4-amine powder, yield 84%.

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; Zhang Ruwei; Ge Baoyin; Jing Fan; Zhai Xuexu; (9 pag.)CN108338175; (2018); A;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Related Products of 4028-63-1, A common heterocyclic compound, 4028-63-1, name is 2,4,6-Trimethyliodobenzene, molecular formula is C9H11I, 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.

2,4,6-trimethyliodobenzene (12 mmol, 3 equiv), elemental selenium (12 mmol, 3 equiv), 5-methylbenzoxazole (4 mmol, 1 equiv), Cu(OAc) 2 (at room temperature) 0.4 mmol), ammonium hydrogencarbonate (12 mmol, 3 equiv) was added to the reaction tube, then filled with nitrogen, and replaced three times. Under a nitrogen reaction environment, 20 mL of DMF reaction solvent was then added, and the mixture was stirred at a reaction temperature of 140 ° C for 24 hours. After monitoring the reaction by thin layer chromatography, the reaction mixture was cooled, then diluted with ethyl acetate, and the diluted solution was transferred to a separating funnel, and extracted with saturated brine to separate the aqueous and organic phases, and then acetic acid. The aqueous phase was extracted three times with ethyl acetate. The organic phase was combined, 25 g of anhydrous sodium sulfate was added, and the mixture was allowed to stand for 30 min, and the filter cake was washed three times with 50 mL of ethyl acetate each time, then the solvent was spun off, and the product was separated by column chromatography. Deprotection: petroleum ether: diethyl ether = 98:2), yield 90percent, product weight 1.191 g.

The synthetic route of 4028-63-1 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Wenzhou Medical University; Wu Ge; (9 pag.)CN108484518; (2018); A;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Related Products of 3930-83-4, These common heterocyclic compound, 3930-83-4, name is 2-Iodobenzamide, 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: To a solution of 2-iodobenzamide (3) or 2-bromonicotinamide (6) (2.0 mmol) in DMSO (3 mL), was added aldehyde (2.2 mmol), NaN3 (260 mg, 4.0 mmol), CuBr (29 mg, 0.2 mmol), and l-proline (46 mg, 0.4 mmol). The reaction mixture was stirred at 80 C under air. After disappearance of the reactant (monitored by TLC), water (30 mL) was added to the mixture, and then extracted with ethyl acetate (15 mL) for three times. The extraction was washed with saturated NaCl solution, dried over anhydrous Na2SO4 and concentrated under reduced pressure. The residue was purified by column chromatography on silica gel using petroleum ether/ethyl acetate (10:1 to 3:1) as the eluent to give the desired products 5 or 7.

Statistics shows that 2-Iodobenzamide is playing an increasingly important role. we look forward to future research findings about 3930-83-4.

Reference:
Article; Li, Ting; Chen, Minglu; Yang, Lei; Xiong, Zhengxin; Wang, Yongwei; Li, Fei; Chen, Dongyin; Tetrahedron; vol. 72; 6; (2016); p. 868 – 874;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com