Category: 20555-91-3

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. 20555-91-3, name is 1,2-Dichloro-4-iodobenzene, This compound has unique chemical properties. The synthetic route is as follows., Computed Properties of C6H3Cl2I

General procedure: A mixture of the corresponding carboxamide ((±)-1a-h or (±)-1iA or 1iB or 1j-(S)) (0.25 mmol), Pd(OAc)2 (2.8 mg, 5 mol %), aryl iodide (1.0 mmol, 4 equiv) and AgOAc (92 mg, 0.55 mmol, 2.2 equiv) in anhydrous toluene (3 mL) was heated at 110 C for 24-70 h (see the respective Tables/Schemes for the reaction time for the specific examples) under nitrogen atmosphere. After the reaction period, the reaction mixture was concentrated in vacuum and purification of the resulting reaction mixture by silica gel column chromatography furnished the corresponding beta-C-H arylated racemic compounds 3a-l, 4a-c, 5a, 6a-f, 8a-c, 8eA-hA, 8eB-hB and enantiomerically enriched 10a-c (see Tables/Schemes for the reaction conditions for the specific examples).

According to the analysis of related databases, 20555-91-3, the application of this compound in the production field has become more and more popular.

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. 20555-91-3, name is 1,2-Dichloro-4-iodobenzene, This compound has unique chemical properties. The synthetic route is as follows., Quality Control of 1,2-Dichloro-4-iodobenzene

Thiazolo[5,4-f]quinazolin-9(8H)-one 6 (0.341 mmol), CuI (0.065 g, 0.341 mmol, 1 equiv), and DBU (101 muL, 0.682 mmol, 2.0 equiv) in anhyd DMF (850 muL) were added to a 2 mL glass microwave vial. The mixture was stirred under microwave irradiation at 120 C for 10 min. Then Pd(OAc)2 (7.6 mg, 0.034 mmol, 10 mol%) and the appropriate aryl halide (0.682 mmol, 2.0 equiv) were added to the mixture. The reaction mixture was then stirred under microwave irradiation at 120 C for 5 h. The resulting solution was diluted with CH2Cl2, filtered through a cotton plug and washed with CH2Cl2 (50 mL). The crude product obtained by concentration of CH2Cl2 was purified by flash chromatography on silica gel with EtOAc/CH2Cl2 as eluent (1:0 to 1:1, v/v, for 7ah-j; 7:3 to 1:4, v/v for 7ba-j) to afford the corresponding product 7.

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 20555-91-3.

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. 20555-91-3, name is 1,2-Dichloro-4-iodobenzene, A new synthetic method of this compound is introduced below., Quality Control of 1,2-Dichloro-4-iodobenzene

General procedure: A mixture of an appropriate unnatural amino acid carboxamide 6 (0.15-0.2 mmol, 1 equiv), an appropriate aryl iodide (5 equiv), Pd(OAc)2 (10 mol%) and AgOAc (2.5 equiv) in anhydrous toluene (2-3 mL) was heated at 110 C for 15-24 h under a nitrogen atm or in a sealed tube. After the reaction period, the reaction mixture was concentrated under reduced pressure to afford a crude reaction mixture, which was purified by column chromatography on neutral alumina or silica gel (eluent EtOAc:hexane) to give the corresponding arylated amino acid (see the respective Schemes/Tables for the specific entries). 3.4.27. 3-(3,4-Dichlorophenyl)-6-(1,3-dioxoisoindolin-2-yl)-N-(quinolin-8-yl)hexanamide (10c). The compound 10c was obtained after purification by column chromatography on silica gel (EtOAc:hexane 40:60) as a greencolor solid (60 mg, 75%); Rf (40% EtOAc/hexane) 0.7; mp:110e112 C; IR (DCM): 3346, 2937, 1771, 1394, 723 cm1; 1H NMR(400 MHz, CDCl3) dH 9.64 (1H, br. s), 8.78 (1H, d, J 3.2 Hz), 8.65(1H, t, J 4.5 Hz), 8.15 (1H, d, J 7.7 Hz), 7.81 (2H, dd, J1 5.2,J2 3.1 Hz), 7.70 (2H, dd, J1 5.4, J2 3.1 Hz), 7.49 (2H, d, J 4.6 Hz),7.46 (1H, dd, J1 8.3, J2 4.2 Hz), 7.39 (1H, d, J 1.4 Hz), 7.32 (1H, d,J 8.2 Hz), 7.13 (1H, dd, J1 8.2, J2 1.5 Hz), 3.67 (2H, t, J 7.3 Hz),3.36e3.29 (1H, m), 2.87 (1H, dd, J1 14.8, J2 6.4 Hz), 2.80 (1H, dd,J1 14.8, J2 8.3 Hz), 1.92e1.82 (1H, m), 1.78e1.65 (2H, m),1.60e1.52 (1H, m); 13C NMR (CDCl3, 101 MHz): dC 169.2, 168.3,148.1,143.9, 138.2, 136.3, 134.1, 133.9, 132.7, 132.0, 130.6, 130.6, 129.4,127.9, 127.3, 127.2, 123.2, 121.6, 121.6, 116.5, 45.1, 41.6, 37.7, 33.2,26.5; HRMS (ESI) calcd for C29H24Cl2N3O3 [MH] 532.1195 found532.1177.

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; Tomar, Radha; Bhattacharya, Debabrata; Babu, Srinivasarao Arulananda; Tetrahedron; vol. 75; 17; (2019); p. 2447 – 2465;,
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. 20555-91-3, name is 1,2-Dichloro-4-iodobenzene, This compound has unique chemical properties. The synthetic route is as follows., SDS of cas: 20555-91-3

A microwave vial was charged with palladium acetate (0.165 g, 0.733 mmol), l,2-dichloro-4-iodobenzene (2.00 g, 7.33 mmol), but-3-en-2-ol (0.793 g, 1 1.0 mmol), tetrabutylammonium chloride, hydrate (2.17 g, 7.33 mmol), and sodium bicarbonate (1.539 g, 18.32 mmol). DMF (5 mL) was added via syringe and the reaction mixture was degassed three times. The mixture was heated at 60 C for 16 h. The reaction mixture was allowed to cool to room temperature, and diluted with ether. The organic layer was washed with water, separated, dried with MgSC^, filtered and concentrated. The crude residue was purified by silica gel chromatography with an eluant of 10% ethyl acetate / hexanes to afford the desired product Intermediate 4A (1.4 g, 6.5 mmol, 88% yield). LC- MS (ESI) m/z 216.9 (M+H), RT = 2.01 min (Method B).

According to the analysis of related databases, 20555-91-3, the application of this compound in the production field has become more and more popular.

Reference:
Patent; BRISTOL-MYERS SQUIBB COMPANY; HU, Carol Hui; QIAO, Jennifer X.; WANG, Tammy C.; WO2013/151923; (2013); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Electric Literature of 20555-91-3, These common heterocyclic compound, 20555-91-3, name is 1,2-Dichloro-4-iodobenzene, 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: The terminal alkyne (1.4 mmol), PdCl2 (5.0 mol%, 0.008 g), KOAc (3.0 mmol, 0.294 g), Cr(CO)6 (1.0 mmol, 0.22 g), hydroxylamine hydrochloride (1.5 mmol, 0.104 g), and aryliodide (1.0 mmol), DMF (3.0 mL) was added to a round-bottom flask. The reaction was heated at 70 C under air and stirred for 18h. The reaction mixture was washed with water and extracted with EtOAc (3¡Á10 mL). The solvent was evaporated and the product purified by flash column chromatography (n-hexane/EtOAc gradient: 0 to 20% EtOAc) to afford the corresponding isoxazole in high yield.

Statistics shows that 1,2-Dichloro-4-iodobenzene is playing an increasingly important role. we look forward to future research findings about 20555-91-3.

Reference:
Article; Iranpoor, Nasser; Firouzabadi, Habib; Etemadi-Davan, Elham; Tetrahedron Letters; vol. 57; 8; (2016); p. 837 – 840;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Adding a certain compound to certain chemical reactions, such as: 20555-91-3, name is 1,2-Dichloro-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 20555-91-3, HPLC of Formula: C6H3Cl2I

Step 3: l-(3, 4-Dichlorophenyl)-4-phenyl-4-[(2-propenyloxy)methyl]imidazolidine-2, 5-dione; [00327] 0.7 g of 4-phenyl-2-(propenyloxy)imidazolidine-2,5-dioneare dissolved in 2 mL DMAC and780 mg of l,2-dichloro-4-iodo-benzene are added, followed by 234mg of copper (I) oxide. The mixture is warmed at 1600C for 3 hours. At rt the mixture is diluted with a 20% aqueous solution of ammonia and extracted with ethyl acetate. The organic layer is dried over sodium sulfate, filtered and evaporated. The crude product is purified by chromatography over silica gel while eluting with the 2/1 heptane/ethyl acetate mixture. delta 1H NMR (DMSO): 3.70 (d, IH); 4.08 (m, 2H); 4.15 (d, IH); 5.17 (d, IH); 5.25 (d, IH); 5.88 (ddt, IH); 7.38-7.50 (m, 4H); 7.62 (d, 2H); 7.67 (m, IH); 7.78 (d, IH), 9.40(s, IH).LCMS: (Rt = 3.44 min): no ionization

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; GALAPAGOS NV; NIQUE, Francois; JAGERSCHMIDT, Catherine; BLANQUE, Roland; LEFRANCOIS, Jean-Michel; PEIXOTO, Christophe; DEPREZ, Pierre; TRIBALLEAU, Nicolas; WIGERINCK, Piet, Tom, Bert, Paul; NAMOUR, Florence, Sylvie; WO2010/29119; (2010); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Application of 20555-91-3,Some common heterocyclic compound, 20555-91-3, name is 1,2-Dichloro-4-iodobenzene, molecular formula is C6H3Cl2I, 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 mixture of CuI (95.2 mg, 0.50 mmol), CsF (91.1 mg, 0.60 mmol), 4-iodobenzonitrile (1a,114.0 mg, 0.50 mmol), and THF (1.0 mL) was added [(trimethylsilyl)difluoromethyl]phosphonate (2,156.2 mg, 0.60 mmol) at room temperature. The reaction mixture was stirred at 60 C in an atmosphere of nitrogen for 24 h and quenched with water. The aqueous layer was extracted with ethyl acetate.Then, the combined organic phase was washed with water, dried over anhydrous Na2SO4. The crude product was purified by column chromatography on silica gel (hexane/EtOAc = 2/1) to give 3a(121.4 mg, 0.42 mmol, 84%) as a pale-yellow oil.

The synthetic route of 20555-91-3 has been constantly updated, and we look forward to future research findings.

Reference:
Article; Komoda, Kazuki; Iwamoto, Rei; Kasumi, Masakazu; Amii, Hideki; Molecules; vol. 23; 12; (2018);,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Related Products of 20555-91-3, These common heterocyclic compound, 20555-91-3, name is 1,2-Dichloro-4-iodobenzene, 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: An efficacious one-pot synthesis method reported by Bielawskiet al. (2007) was adopted with minor modifications in this section. The overall route is shown in Scheme 2, andthe obtained compounds listed in Fig. 2. Briefly, to a 50-mL round-bottomed flask was added substituted iodobenzene(5 mmol), 20 mL of DCM, and mCPBA 1.22 g(6 mmol, 85% purity), followed by the slow addition of(2-(2-(2-methoxyethoxy)ethoxy)ethoxy)benzene 1.31 mL(6 mmol). After cooling the mixture to 0 C, trifluoromethanesulfonic acid 0.75 mL (8.5 mmol) was added dropwise into the system. The resulting solution wasstirred at room temperature for 2 h. The crude product was purified by column chromatography on silica gel eluted with a mixture of DCM:methanol (20:1, vol.) to yield the desired products.

Statistics shows that 1,2-Dichloro-4-iodobenzene is playing an increasingly important role. we look forward to future research findings about 20555-91-3.

Reference:
Article; Huang, Mengen; Xu, Shujia; Wu, Xunshen; Zhao, Min; Wang, Limin; Journal of Surfactants and Detergents; vol. 21; 3; (2018); p. 323 – 334;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Application of 20555-91-3, The chemical industry reduces the impact on the environment during synthesis 20555-91-3, name is 1,2-Dichloro-4-iodobenzene, I believe this compound will play a more active role in future production and life.

Method B: a mixture of 3,4-dichlorolodobenzene (300 mg), propargyl alcohol (128 mul_), CuI (10 mg), K2CO3 (302 mg), Pd(PPh3)4 (12 mg) in DMF (2 mL) was irradiated with MicroWave at 100 0C for 20 min. Aqueous saturated solution NH4CI was then added followed by DCM. After separation of the two phases the organic layer was dried and evaporated in vacuo. The crude product was purified by flash chromatography (eluting with cyclohexane / ethyl acetate 7/3) to give the title compound (40 mg). NMR (1H, CDCI3): delta 7.58 (s, 1 H), 7.41 (d, 1 H), 7.27 (d, 1 H), 4.52 (d, 2H), 1.75 (t, 1 H)

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, 1,2-Dichloro-4-iodobenzene, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; GLAXO GROUP LIMITED; DI FABIO, Romano; MICHELI, Fabrizio; TEDESCO, Giovanna; TERRENI, Silvia; WO2008/31771; (2008); A2;,
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. 20555-91-3, name is 1,2-Dichloro-4-iodobenzene, This compound has unique chemical properties. The synthetic route is as follows., Safety of 1,2-Dichloro-4-iodobenzene

General procedure: An oven-dried resealable Schlenk tube were charged with CuI (10 mol %), 1,10-phenanthroline (20% mol), Cs2CO3 (1.4-2.0 mmol),aryl iodide (1.0 mmol).The Schlenk tube was evacuated and back-filled with argon and 2-trimethylsilyl alcohol (3mmol) and toluene (0.5 ml) were added. Schlenk tube was then sealed with a Teflon screw cap and placed in a preheated oil bath at 110C for 14 h. The resulting suspension was cooled to room temperature and filtered through a 0.5 x 1 cm pad of silica gel, eluting with diethyl ether. The filtrate was concentrated. Purification of the residue by flash chromatography on silica gel gave the desired product.

According to the analysis of related databases, 20555-91-3, the application of this compound in the production field has become more and more popular.

Reference:
Article; Dibakar, Mullick; Prakash, Anjanappa; Selvakumar, Kumaravel; Ruckmani, Kandasamy; Sivakumar, Manickam; Tetrahedron Letters; vol. 52; 41; (2011); p. 5338 – 5341;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com