Iodides-buliding-blocks

Adding a certain compound to certain chemical reactions, such as: 6828-35-9, name is 5-Chloro-2-iodoaniline, 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 6828-35-9, category: iodides-buliding-blocks

In a round bottom flask, 5-chloro-2-iodoaniline (2.00 g, 7.89 mmol), methyl propargylether (1.00 mL, 11.84 mmol) and TEA (1.92 mL, 13.41 mmol) were diluted in DMF.The mixture was degassed (N2 bubbling) and Pd(PPh3)2C12 (0.28 g, 0.39 mmol) andCul (0.30 g, 1.58 mmol) were added. The reaction mixture was stirred at rt for 4 h.Thereaction mixture was aprtitionned between water and EtOAc. The organic layer was washed with brine, dried over MgSO4, filtered and concentrated. The crude was purified by column chromatography on silica gel (irregular Si02, 40 g, mobile phase:heptane/EtOAc, gradient from 90:10 to 80:20). The product fractions were concentrated to afford 1.0 13 g of intermediate 376 (70% yield, orange liquid which solidify upon standing).

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; JANSSEN PHARMACEUTICA NV; STANSFIELD, Ian; QUEROLLE, Olivier Alexis Georges; PONCELET, Virginie Sophie; GROSS, Gerhard Max; JACOBY, Edgar; MEERPOEL, Lieven; KULAGOWSKI, Janusz Jozef; MACLEOD, Calum; MANN, Samuel Edward; GREEN, Simon Richard; HYND, George; (477 pag.)WO2017/125530; (2017); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Synthetic Route of 13421-00-6, 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 13421-00-6 as follows.

EXAMPLE 64a Preparation of intermediate 5-chloro-2-Iodo-benzaldehyde To a solution of 5-chloro-2-iodo benzoic acid (4.92 g, 17 mmol) (TRANS) in anhydrous tetrahydrofuran (100 mL) at 0 C. was added borane tetrahydrofuran (1 M, 34 mL, 34 mmol) dropwise. The reaction mixture was then stirred at room temperature for 18 h. The mixture was concentrated and residue was partitioned between ethyl acetate and water. Organic layer was separated, washed with brine, dried over MgSO4, and concentrated to give a colorless oil. The oil was dissolved into 1,2-dichloroethane (50 mL), and activated MnO2 (15 g) was added. The mixture was then heated at reflux for 2 h, cooled to room temperature, and filtered through a short pad of celite. The filtrated was concentrated and purified by chromatography (EtOAc:hexanes=1;8) to give 5-chloro-2-Iodo-benzaldehyde as a white solid (Yield 5.5 g, 25%).

According to the analysis of related databases, 13421-00-6, the application of this compound in the production field has become more and more popular.

Reference:
Patent; Ding, Qingjie; Jiang, Nan; Yang, Song; Zhang, Jing; Zhang, Zhuming; US2009/156610; (2009); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Synthetic Route of 31827-94-8,Some common heterocyclic compound, 31827-94-8, name is 2-Bromo-1-(4-iodophenyl)ethanone, molecular formula is C8H6BrIO, 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.

Into a solution of the compound from step A1d (1.94 mmol at most) in acetonitrile (5 mL) and DIPEA (3 mL) was added 2-bromo-1-(4′-iodophenyl)ethanone (700 mg, 2.15 mmol). It was stirred at rt for 4 hours before concentration to a dark red oil, which was chromatographed (silica, EtOAc-hexanes) to afford the desired compound as a light yellow oil (643 mg, 66% over three steps). ESIMS m/z=400.03 [M-Boc+2H]+.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 2-Bromo-1-(4-iodophenyl)ethanone, its application will become more common.

Reference:
Patent; Qiu, Yao-Ling; Wang, Ce; Cao, Hui; Peng, Xiaowen; Tang, Datong; Or, Yat Sun; US2011/300104; (2011); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Related Products of 811842-30-5, The chemical industry reduces the impact on the environment during synthesis 811842-30-5, name is 2-Bromo-1-fluoro-4-iodobenzene, I believe this compound will play a more active role in future production and life.

To a flask containing 2-bromo-1-fluoro-4-iodo-benzene (4.0 g, 13.3 mmol) and 1,4-dioxa-8-azaspiro[4.5]decane (2.09 g, 14.6 mmol) in N-methyl-2-pyffolidone (50 mL) was addedK2C03(3.67 g, 26.6 mmol), CuT (128 mg, 0.67 mmol) and L-proline (77 mg, 0.67 mmol) under N2. After being heated with stuffing at 120 C overnight, the resulting mixture was cooled to rt, diluted with H20 (50 mL) and extracted with EA (50 mL) for three times. The combined organic layer was washed with brine (50 mL), dried over anhydrous Na2SO4 and concentrated in vacuo.The residue was purified by flash chromatography to give 8-(3-bromo-4-fluoro-phenyl)-1,4- dioxa-8-azaspiro[4.5]decane (1.4 g).

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-Bromo-1-fluoro-4-iodobenzene, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; F. HOFFMANN-LA ROCHE AG; HOFFMANN-LA ROCHE INC.; CHENG, Zhanling; WANG, Min; YANG, Song; (208 pag.)WO2016/107832; (2016); 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. 640280-28-0, name is 1-Bromo-2-iodo-4-(trifluoromethyl)benzene, A new synthetic method of this compound is introduced below., Formula: C7H3BrF3I

Intermediate P: (2-(Pyridin-4-yl)-4-(trifluoromethyl)phenyl)boronic acid Step 1 : 4-(2-bromo-5-(trifluoromethyl)phenyl)pyridine A solution of pd(ph3p)4 (1.410 g, 1.220 mmol), l-bromo-2-iodo-4- (trifluoromethyl)benzene (3.94 ml, 24.41 mmol), pyridin-4-ylboronic acid (3.00 g, 24.41 mmol), and potassium carbonate (13.49 g, 98 mmol) in 32mL dioxane and 6mL water was heated to 120C overnight. Additional portions of pyridin-4-ylboronic acid (3.00 g, 24.41 mmol) and potassium carbonate (13.49 g, 98 mmol) were added and the reaction mixture was heated to 120C for 3 hours. The reaction mixture was then poured into water and was extracted with DCM. The organics were then concentrated. Purification of the crude residue by silica gel column chromatography (0-100% EtOAc/heptane) gave 4-(2-bromo-5-(trifluoromethyl)phenyl)pyridine (3.054 g, 10.1 1 mmol, 41.4 % yield) as a white solid. [M+H]+ = 303.9

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; AMGEN INC.; DINEEN, Thomas; KREIMAN, Charles; WEISS, Matthew; GEUNS-MEYER, Stephanie; WO2013/134518; (2013); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Reference of 335349-57-0,Some common heterocyclic compound, 335349-57-0, name is 5-Chloro-4-iodo-2-nitroaniline, molecular formula is C6H4ClIN2O2, 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 E1 5-Allyloxy-4-iodo-2-nitro-phenylamine Prepared from 5-chloro-4-iodo-2-nitro-phenylamine (Example Al) (15.0 g, 50 mmol), allyl alcohol (50 mL) and KOH (7.96 g, 121 mmol) in DMSO (50 mL) according to the general procedure E. Obtained as an orange solid (9.38 g). MS (EI) 320 (M+); mp 74 C.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 5-Chloro-4-iodo-2-nitroaniline, its application will become more common.

Reference:
Patent; Hoffmann-la Roche Inc.; US6407094; (2002); B1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Electric Literature of 51628-12-7, The chemical industry reduces the impact on the environment during synthesis 51628-12-7, name is 2-(4-Iodophenyl)acetonitrile, I believe this compound will play a more active role in future production and life.

To a stirred solution of 2-(4-iodophenyl)acetonitrile (10 g, 41 .15 mmol) in tetrahydrofuran (100 ml) was added drop wise lithium bis(trimethylsilyl)amide (103 ml of a 1 M solution in tetrahydrofuran, 103 mmol) at -78 C. The resulting mixture was allowed to stirre for 15 minutes. The 3-(chloromethyl)pyridine hydrochloride (6.75 g, 41.15 mmol) was then added. The reaction was then allowed to react overnight at room temperature. The reaction was monitored by thin layer chromatography and showed completion after one night of stirring. Water (100 ml) and ethyl acetate (100 ml) were added. The organic phase was isolated and concentrated under reduced pressure The crude product was then absorbed onto silica gel and purified by flash chromatography to give 4.7 g of 2-(4-iodophenyl)-3-(3- pyridyl)propanenitrile

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

Reference:
Patent; SYNGENTA PARTICIPATIONS AG; JEANMART, Stephane Andre Marie; RAJAN, Ramya; BONVALOT, Damien; PERRUCCIO, Francesca; WO2015/14733; (2015); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Related Products of 146137-72-6,Some common heterocyclic compound, 146137-72-6, name is 2-Fluoro-6-iodobenzaldehyde, molecular formula is C7H4FIO, 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: The crude starting material (10) was dissolved in DMSO (25 mL) and methyl thioglycolate (2.6 mL, 1.1 equiv.) was added dropwise under Ar at RT. Triethylamine (7.45 mL, 2.2 equiv.) was then added and the mixture was heated at 70 C for 5 hours. The reaction mixture was cooled to RT and poured slowly into vigorously stirred ice-water (250 mL). After 30 min of stirring, a light yellow precipitate was collected by filtration, rinsed with H2O, and dried in vacuo to afford a crude yellow solid (6.40 g, 80% crude yield). The product was used for the next reaction without further purification.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 2-Fluoro-6-iodobenzaldehyde, its application will become more common.

Reference:
Article; Hur, Wooyoung; Rosen, Hugh; Gray, Nathanael S.; Bioorganic and Medicinal Chemistry Letters; vol. 27; 1; (2017); p. 1 – 5;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Reference of 696-41-3,Some common heterocyclic compound, 696-41-3, name is 3-Iodobenzaldehyde, molecular formula is C7H5IO, 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.

14.4: (3-iodo-benzyl)-dimethyl-amine To a cold (0C) solution of 3-iodo-benzaldehyde (3g, 12.9 mmol) in anhydrous dichloromethane (130 ml) were added acetic acid (1.9ml) and N,N-dimethylacetamide. The yellow solution is stirred 10 minutes at 0C and sodium triacetoxyborohydride (6.85g, 32.33 mmoles) is added by portions. The resulting mixture is stirred at room temperature for 90 minutes and evaporated to dryness under reduced pressure. Ethyl acetate and a saturated aqueous hydrogen carbonate solution were added to the residue and the two layers were separated The organic phase was washed with water, dried over anhydrous sodium sulfate, filtered and concentrated under vacuum to yield (3-iodo-benzyl)-dimethyl-amine (3.05g, 90%) as a brown oil. LC/MS (Method LC8): Rt = 0.86 min; m/z = 262 [M+H]+.

The synthetic route of 696-41-3 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; SANOFI; Loehn, Matthias, Dr.; Mendez-Perez, Maria, Dr.; Pfeiffer-Marek, Stefania, Dr.; Kannt, Aimo, Dr.; Begis, Guillaume, Dr.; Jeannot, Frederic, Dr.; Duclos, Olivier; EP2567959; (2013); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

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 124700-41-0 as follows. COA of Formula: C7H4FIO2

General procedure: A mixture of various carboxylic acids (1.0mmol), an excess of thionyl chrolide (5mL) was refluxed for 2h and concentrated in vacuo to give corresponding acyl chloride (quant).

According to the analysis of related databases, 124700-41-0, the application of this compound in the production field has become more and more popular.

Reference:
Article; Chen, Yin-Bo; Li, Ji-Ling; Shao, Xu-Sheng; Xu, Xiao-Yong; Li, Zhong; Chinese Chemical Letters; vol. 24; 8; (2013); p. 673 – 676;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com