Category: 1252046-13-1

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 1252046-13-1 as follows. COA of Formula: C7H3BrIN

Add bromo-(2-ethoxy-2-oxo-ethyl)zinc (2.97 g, 12.7 mmol) (prepared according to Example 9A) to a mixture of 2-bromo-5-iodo-benzonitrile (2.60 g, 8.44 mmol), bis(dibenzylideneacetone)palladium (0.121 g, 0.211 mmol) and 4,5-bis(diphenylphosphino )5 9,9-dimethylxanthene (0.122 g, 0.211 mmol) in THF (20 mL), then the reaction mixture is stirred at 65 C for 1 h under nitrogen. The reaction mixture is quenched with water (10 mL). The result mixture is extracted with EtOAc (10 mL x 3). The combined organic phases are washed with water (1 0 mL ), concentrated to afford a black residue, which is purified by column chromatography on silica gel eluting with PE:EtOAc (20: 1) to afford the title 10 compound (1.00 g, 42.0% Yield) as a yellow solid. 1H NMR (400MHz, CD3Cl) 8 = 7.65 (d, J = 8.4 Hz, 1H), 7.60 (d, J = 2.0 Hz, 1H), 7.39 (dd, J = 2.0, 8.4 Hz, 1H), 4.18 (q, J = 7.2 Hz, 2H), 3.61 (s, 2H), 1.28 (t, J = 7.2 Hz, 3H)

According to the analysis of related databases, 1252046-13-1, the application of this compound in the production field has become more and more popular.

Reference:
Patent; ELI LILLY AND COMPANY; LILLY CHINA RESEARCH AND DEVELOPMENT CO., LTD.; MA, Tianwei; WU, Liang; ZHANG, Xuejun; (109 pag.)WO2019/41340; (2019); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

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. 1252046-13-1, name is 2-Bromo-5-iodobenzonitrile, This compound has unique chemical properties. The synthetic route is as follows., Formula: C7H3BrIN

To 2-bromo-5-iodobenzonitrile (1457 mg, 4.730 mmol) in tetrahydrofuran (10 mL) at -40 C. was added isopropyl magnesium chloride.lithium chloride (1.3 M in THF, 4.4 mL, 5.7 mmol) dropwise. The mixture was stirred at -40 C. for 10 minutes, and was then treated with cyclobutanone (0.4 mL, 5.2 mmol) dropwise at -40 C. The reaction mixture was warmed to room temperature and stirred at that temperature for 16 hours. The reaction mixture was poured into water (10 mL) and extracted with ethyl acetate (3*20 mL). The combined organic layers were dried over sodium sulfate, filtered and concentrated in vacuo to give the title compound which was used directly in the next step without further purification.

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 1252046-13-1.

Reference:
Patent; PFIZER INC.; Bhattacharya, Samit; Cameron, Kimberly; Dowling, Matthew; Fernando, Dilinie; Ebner, David; Filipski, Kevin; Kung, Daniel; Lee, Esther; Smith, Aaron; Tu, Meihua; US2013/267493; (2013); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Reference of 1252046-13-1, 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. 1252046-13-1, name is 2-Bromo-5-iodobenzonitrile belongs to iodides-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below.

(¡À)-2-bromo-5-(1-hydroxybutyl)benzonitrile A round bottom flask was charged with the 2-bromo-5-iodobenzonitrile (2.00 g, 6.49 mmol) and THF (9 mL). Solution cooled down to -8 C. (ice/brine bath). Turbo Grignard 1.3M in THF (5.50 mL, 7.14 mmol) is then added in one portion and the reaction stirred for 15 minutes at -8 C. Butyraldehyde (0.698 muL, 7.79 mmol) is then charged in another flask and the preformed anion is added over the aldehyde/THF (4 mL) via canula and then, reaction allowed to warmed at room temperature overnight under magnetic stirring. Ammonium chloride (sat. aq.) added to the mixture. Extracted 3* with Ethyl Acetate. Combined organic layers washed with water (1*), with brine (1*), dried over sodium sulfate, filtered and concentrated to afford the crude material. Purification by silica gel flash chromatography (Ethyl Acetate/Heptane) provide the title compound as a yellow oil (1.33 g, 80.6%). 1H NMR (400 MHz, DMSO-d6) delta 0.83 (t, J=7.41 Hz, 3H) 1.18-1.34 (m, 2H) 1.46-1.57 (m, 2H) 4.52-4.58 (m, 1H) 5.37 (d, J=4.88 Hz, 1H) 7.56 (dd, J=8.58, 1.95 Hz, 1H) 7.79 (d, J=8.39 Hz, 1H) 7.81 (d, J=2.15 Hz, 1H); MS (M): 255.

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

Reference:
Patent; Pfizer Inc.; US2012/165343; (2012); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

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. 1252046-13-1, name is 2-Bromo-5-iodobenzonitrile, This compound has unique chemical properties. The synthetic route is as follows., Recommanded Product: 2-Bromo-5-iodobenzonitrile

Under an argon atmosphere, to a 500 ml, three-neck flask, 5.00 g of (6-bromopyridin-3-yl)boronic acid, 7.63 g of 2-bromo-5-iodobenzonitrile, 0.28 g of Pd(OAc)2, 1.02 g of SPhos, and 10.52 g of K3PO4 were dissolved in 120 ml of a deaerated mixture solvent of toluene/ethanol/water (10:1:2), followed by stirring at about 80 C. for about 12 hours. After finishing the reaction, water was added, and extraction with CH2Cl2 was conducted. An organic layer was separated and dried with MgSO4, and solvents were removed by distillation under a reduced pressure. The crude product thus obtained was separated by silica gel column chromatography to obtain 6.20 g (yield 74%) of Intermediate O. The molecular weight of Intermediate O measured by FAB-MS was 338.

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 1252046-13-1.

Reference:
Patent; Samsung Display Co., Ltd.; SAKAMOTO, Naoya; (128 pag.)US2019/296247; (2019); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Some common heterocyclic compound, 1252046-13-1, name is 2-Bromo-5-iodobenzonitrile, molecular formula is C7H3BrIN, 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. SDS of cas: 1252046-13-1

Under nitrogen condition, the compound B was dissolved in dioxane, and the compound A (0.9 equivalent) was added. Potassium phosphate (4.0 equivalent) was added, and Cut (0.2 equivalent) and 1,2-diaminocyclohexane (0.2 equivalent) were added. The mixture was refluxed and stirred for 12 hrs, and then the reaction was finished. The resultant was extracted using an organic solvent, and the organic solvent was removed. The resultant was columned and reprecipitated such that the compound C was obtained.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 1252046-13-1, its application will become more common.