Month: July 2021

Adding a certain compound to certain chemical reactions, such as: 351003-36-6, name is 2-Fluoro-5-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 351003-36-6, Recommanded Product: 351003-36-6

Step 1: General procedure A was followed using 2-fluoro-5-iodo-benzonitrile as aryl iodide to afford (R)-2-fluoro-5-[3-(1-naphthalen-1-yl-ethylamino)-prop-1-ynyl]-benzonitrile. The product was purified by chromatography using 0-5% methanol in DCM, affording (R)-2-fluoro-5-[3-(1-naphthalen-1-yl-ethylamino)-prop-1-ynyl]-benzonitrile.

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; LEO PHARMA A/S; US2012/101039; (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. 887266-99-1, name is 3-Fluoro-4-iodobenzonitrile, This compound has unique chemical properties. The synthetic route is as follows., name: 3-Fluoro-4-iodobenzonitrile

General procedure: Into an oven-dried flask equipped with a magnetic stir bar was added aryl fluoride (1.00 g, 1.0 eq.), Na2S (1.1 eq.) and DMF (5 mL) under argon. The reaction mixture was stirred at room temperature for 1 h. Then 1 M NaOH (50 mL) was added and was washed with CH2Cl2 (2 x 25 mL). The aqueous layer was acidified to pH ~ 1-2 with 6 N HCl and extracted with CH2Cl2 (2 x 50 mL). The combined organic layer was washed with brine (50 mL), dried over MgSO4, filtered and concentrated under reduced pressure to provide a crude residue. To the residue was added 10% HCl (40 mL) and cooled with an ice-water bath. Then zinc dust (4 g) was added and the mixture was stirred for 1 h. Then EtOAc (100 mL) was added and the mixture was stirred for an additional 30 minutes. The organic layer was separated and washed with water (40 mL) and brine (40 mL), dried over MgSO4, filtered and concentrated to provide the desired product with satisfactory purity.

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 887266-99-1.

Reference:
Article; Taldone, Tony; Patel, Pallav D.; Patel, Hardik J.; Chiosis, Gabriela; Tetrahedron Letters; vol. 53; 20; (2012); p. 2548 – 2551;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Synthetic Route of 455-13-0, A common heterocyclic compound, 455-13-0, name is 4-Iodobenzotrifluoride, molecular formula is C7H4F3I, 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 stirred solution of H2O (5 ml) were added CuI (0.1 mmol, 19 mg), aryl halides (1.0 mmol),nitrogen nucleophiles (1.2 mmol), Cs2CO3 (2 mmol, 651 mg) and L5 (0.1 mmol) were added tothe solution, subsequently the mixture was heated to 100 C under air and stirred for 24 h. Whenthe reaction was finished, the mixture was cooled and partitioned by adding the ethyl acetate (20ml) and water (20 ml). Then, the organic phase was separated and the aqueous phase wasextracted with ethyl acetate (20 ml) twice. The combined organic phases were washed withsaturated brine, dried over Na2SO4, and concentrated in vacuo. Then the crude product waspurified by column chromatography through silica gel, eluting with ethyl acetate/petroleum ethersolvent mixture, to give the pure product.

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:
Article; Zhou, Guoquan; Chen, Wen; Zhang, Shihui; Liu, Xuemin; Yang, Zehui; Ge, Xin; Fan, Hua-Jun; Synlett; vol. 30; 2; (2019); p. 193 – 198;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Electric Literature of 627-32-7, 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. 627-32-7, name is 3-Iodo-1-propanol belongs to iodides-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below.

Example 191 Preparation of 4-[6,6-dimethyl-4-oxo-3-(phenylamino)-4,5,6,7-tetrahydro-1H-indol-2-yl]-1-(3-hydroxyropyl)pyridinium iodideA mixture of Example 1 (57 mg, 172 muetaetaomicronIota), 3-iodopropan-1 -ol (2eq), K2CO3 (4eq) in DMF (1 mL) was stirred at RT for 16 h and then at 100C for 16h. Filtered, concentrated and purified by preparative HPLC (Column: XBridge C18 5muetaiota 100×30 mm; Solvent A: Water + 0.1 % TFA; Solvent B: Acetonitrile; Gradient; 0-8 min, 20-40% B: Flow: 70 mL/min) to give the desired product (25 mg, 30%).1 H-NMR (400 MHz ,DMSO-d6), d [ppm]= 1 .09 (6H), 1 .97 (2H), 2.29-2.39 (3H), 2.82 (2H), 3.39 (2H), 4.38 (2H), 6.71 (2H), 6.78 (1 H), 7.09-7.17 (2H), 7.73 (2H), 8.12 (1 H), 8.66 (2H), 12.38 (1 H).

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

Reference:
Patent; BAYER PHARMA AKTIENGESELLSCHAFT; GRAHAM, Keith; KLAR, Ulrich; BRIEM, Hans; HITCHCOCK, Marion; BAeRFACKER, Lars; EIS, Knut; SCHULZE, Volker; SIEMEISTER, Gerhard; BONE, Wilhelm; SCHROeDER, Jens; HOLTON, Simon; LIENAU, Philip; TEMPEL, Rene; SONNENSCHEIN, Helmut; BALINT, Jozsef; GRAUBAUM, Heinz; (577 pag.)WO2015/193339; (2015); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Related Products of 52548-63-7,Some common heterocyclic compound, 52548-63-7, name is 5-Fluoro-2-iodobenzoic acid, molecular formula is C7H4FIO2, 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 2-80 4-Chloro-6-fluoro-3-methyl-1-(2-pyridinyl)-1H-pyrazolo[3,4-b]quinoline Following the procedures described in Reference Example 2-5 and Example 2-1, the title compound was prepared from 5-fluoro-2-iodobenzoic acid and 3-methyl-1-(2-pyridinyl)-1H-pyrazol-5-ylamine (57% yield). mp: 185-187 C. (recrystallized from ethyl acetate). NMR (DMSO-d6) delta: 3.00 (3H, s), 7.21-7.28 (1H, m), 7.62 (1H, ddd, J=3.0 Hz, 5.4 Hz, 9.4 Hz), 7.89-7.99 (2H, m), 8.19 (1H, dd, J=5.4 Hz, 9.4 Hz), 8.69 (1H, d, J=3.6 Hz), 8.77 (1H, d, J=8.2 Hz).

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

Reference:
Patent; Uchikawa, Osamu; Mitsui, Keita; Asakawa, Akiko; Morimoto, Shigeru; Yamamoto, Masataka; Kimura, Hiroyuki; Moriya, Takeo; Mizuno, Masahiro; US2003/187014; (2003); 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. 21740-00-1, name is 5-Bromo-2-iodobenzoic acid, A new synthetic method of this compound is introduced below., Product Details of 21740-00-1

General procedure: To a stirred solution of 2-iodobenzoic acids a (10 mmol) in CH2Cl2, was added DCC (dicyclohexylcarbodiimide, 11 mmol), DMAP (Dimethylaminopyridine, 2 mmol) and alcohols b (10 mmol) in sequence. The resulting solution was stirred overnight at room temperature then filtered through a sand core funnel and washed with diethyl ether (2 x 40mL). The combined organic layers were washed with water, brine, dried over Na2SO4, and concentrated under reduced pressure. The crude material was purified by flash column chromatography to obtain the pure product c in moderate to good yields. To a soluton of 2-iodobenzoates c in Et3N (5 mL) was added PdCl2 (PPh3)2 (4 mol %) and CuI (2 mol %) and the reaction vial was flushed with Ar and the reaction mixture was stirred for 5 minutes. A solution of propargyl alcohols d (1.05 equiv) in Et3N (5 mL) were then added dropwise through a syringe for 5 minutes. The resulting solution was stirred at room temperature overnight. When the reaction was considered complete as determined by TLC analysis, the mixture was quenched by addition of saturated aqueous ammonium chloride (10 mL) and extracted with ethyl ether (3 x 40 mL). The combined organic layers were washed with water, brine, dried over Na2SO4, and concentrated under reduced pressure. The crude material was purified by flash column chromatography to give 1.

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:
Article; Zhu, Hai-Tao; Tong, Xiao-Juan; Zhou, Ni-Ni; Yang, De-Suo; Fan, Ming-Jin; Tetrahedron Letters; vol. 57; 49; (2016); p. 5497 – 5500;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Related Products of 886762-71-6,Some common heterocyclic compound, 886762-71-6, name is 1-Fluoro-3-iodo-2-nitrobenzene, molecular formula is C6H3FINO2, 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.

NaHCOs [5.70 g, 67.8 mmol] was added to a stirred solution of compound 3 [5.00 g, 22.6 mmol] in water (30 mL) at room temperature under argon atmosphere and stirred for 10 minutes. Finally, solution of compound 2 [4.22 g, 15.8 mmol] in EtOH (40 mL) was added to the reaction mixture and stirred at 80 C for 4 h. After completion, solvent was evaporated, crude was diluted with water [200 mL] and extracted with Et?.0 [200 mLj. Organic part was separated; pH of the aqueous part was slowly adjusted to 2-3 using 1 (N) aqueous HC1 under ice cooled condition and immediately extracted with EtOAc [2×100 mi]. Organic part was separated, dried [Na2SQ4] and concentrated under reduced pressure to afford compound 4 [4.5 g, 43%]. Mass [ESI]: m/z 468.27 [M++l ]

The synthetic route of 886762-71-6 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; CYTOSITE BIOPHARMA INC.; BILCER, Geoffrey, Malcolm; KELLY, Terence, Alfred; (190 pag.)WO2019/160916; (2019); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Adding a certain compound to certain chemical reactions, such as: 69113-59-3, name is 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 69113-59-3, name: 3-Iodobenzonitrile

General procedure: A mixture of CuI (Sigma-Aldrich, 0.025 mmol, 5 mol%), anhydrousK3PO4 (0.65 mmol), 2-mercaptobenzimidazole (0.5mmol), DMSO (0.2 mL), and aryl halide (0.75 mmol) were addedto a reaction vial and a screw cap was fitted to it. The reactionmixture was stirred under air in a closed system at 100 C for24 h. The heterogeneous mixture was subsequently cooled toroom temperature and diluted with dichloromethane. The combinedorganic extracts were dried with anhydrous Na2SO4, andthe solvent was removed under reduced pressure. The crudeproduct was loaded into the column using minimal amounts ofdichloromethane and was purified by silica gel column chromatographyto afford the S-arylated product. The identity andpurity of products was confirmed by 1H NMR and 13C NMRspectroscopic analysis

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, 3-Iodobenzonitrile, other downstream synthetic routes, hurry up and to see.

Reference:
Article; Tan, Bryan Yong-Hao; Teo, Yong-Chua; Synlett; vol. 29; 15; (2018); p. 2056 – 2060;,
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. 19094-56-5, name is 2-Chloro-5-iodobenzoic acid, This compound has unique chemical properties. The synthetic route is as follows., Recommanded Product: 2-Chloro-5-iodobenzoic acid

A solution of 2-chloro-5-iodobenzoic acid (28 g, 99 mmoles) and toluene (198 ml.) was cooled to O0C. A 1 M diisobutyl aluminium hydride (DIBAL) solution in toluene 208 ml_, 208 mmol) solution was added drop wise over 20 minutes. The solution was allowed to slowly warm to rt. After 16 h the solution was cooled to O0C, MeOH and 1 M HCI was slowly added (exothermic reaction). The solution became clumpy and was filtered and the clumps washed with EtOAc. The organic phase was then isolated and the aqueous layer washed with EtOAc. The combined organic extracts were then washed with brine, dried (Na2SO4), and concentrated. The product was purified by Biotage chromatography (0% – 100% EtOAc/Hexanes) to afford 9.01 g of product as a solid (34%). 1H NMR (400 MHz, chloroform- cQ delta ppm 7.85 (d, J=2.02 Hz, 1 H) 7.55 (dd, J=8.34, 2.27 Hz, 1 H) 7.09 (d, J=8.34 Hz, 1 H) 4.74 (s, 2 H) 2.25 (s, 1 H).

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 19094-56-5.

Reference:
Patent; SMITHKLINE BEECHAM CORPORATION; WO2008/77009; (2008); A1;,
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. 20691-72-9, name is 4-Iodo-2-nitroaniline belongs to iodides-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below. Quality Control of 4-Iodo-2-nitroaniline

Step b. To a stirred solution of SnCl2 (78.0 g, 346 mmol) in concentrated HCl (150 mL) was added 2 (25.4 g, 92.0 mmol) in three portions over 30 min at rt. The reaction mixture was heated at 70 C for 1 h and then stirred at 0 C overnight. The mixture was treated with H2O (150 mL) and stirred for 2 h. The precipitate was collected by filtration and dried under vacuum to afford 3 (17 g, 81% yield) as a grey solid. LC-MS (ESI) m/z 235.0 (M + H)+.

The synthetic route of 20691-72-9 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; PRESIDIO PHARMACEUTICALS, INC.; LI, Leping; ZHONG, Min; WO2010/65668; (2010); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com