Category: 31827-94-8

Application of 31827-94-8, 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. 31827-94-8, name is 2-Bromo-1-(4-iodophenyl)ethanone belongs to iodides-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below.

General procedure: Carbothioamide 2 (0.396 g, 2.0 mmol) was added to a stirredsolution of 2-bromo-1-(4-fluorophenyl)ethanone (0.434g, 2.0 mmol) in absolute ethyl alcohol (25 ml). The reactionmixture was stirred at room temperature for 20 h. Next, thereaction mixture was added to water (50 ml) and neutralizedwith NaHCO3 solution. The product was extracted withdichloromethane (2 × 50 ml), the solvent was evaporated invacuo, and the solid was washed with diethyl ether to affordthe desired product to yield 0.27 g (43%)

The synthetic route of 2-Bromo-1-(4-iodophenyl)ethanone has been constantly updated, and we look forward to future research findings.

Reference:
Article; ??czkowski, Krzysztof Z.; Landowska, Katarzyna; Biernasiuk, Anna; Sa?at, Kinga; Furga?a, Anna; Plech, Tomasz; Malm, Anna; Medicinal Chemistry Research; vol. 26; 9; (2017); p. 2088 – 2104;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

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. category: iodides-buliding-blocks

General procedure: Thiosemicarbazone 3 (0.317 g, 1.0 mmoles) was added to astirred solution of 2-bromo-1-(4-fluorophenyl)ethanone(0.217 g, 1.0 mmole) in DMF/EtOH (3: 2) (50 ml). Thereaction mixture was stirred under room temperature for 2 h,and separate precipitate was collected by filtration, suspendedin water and neutralized with NaHCO3 solution.The crude product was purified on silica gel column chromatography(230-400 mesh) using (dichloromethane/methanol, 80:20, Rf = 0.74) to afford the desired product:0.38 g, 87%

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 31827-94-8, its application will become more common.

Reference:
Article; ??czkowski, Krzysztof Z.; Anusiak, Joanna; ?witalska, Marta; Dzitko, Katarzyna; Cytarska, Joanna; Baranowska-??czkowska, Angelika; Plech, Tomasz; Paneth, Agata; Wietrzyk, Joanna; Bia?czyk, Joanna; Medicinal Chemistry Research; vol. 27; 4; (2018); p. 1131 – 1148;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Adding a certain compound to certain chemical reactions, such as: 31827-94-8, name is 2-Bromo-1-(4-iodophenyl)ethanone, 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 31827-94-8, Safety of 2-Bromo-1-(4-iodophenyl)ethanone

General procedure: The appropriate carbonyl compound (50 mmol) was dissolved in 50 mL of ethanol and magnetically stirred with an equimolar quantity of thiosemicarbazide for 24 h at room temperature with catalytic amounts of acetic acid. The desired thiosemicarbazone precipitated from reaction mixture, was filtered, crystallized from suitable solvent, and dried. Equimolar quantities of 4-iodo-acetophenone and bromine, both dissolved in chloroform, were stirred for 4 h at room temperature until the presence of HBr disappeared. The solution was evaporated under vacuum and the obtained pale yellow solid was washed with petroleum ether to give alpha-bromo-4-iodo-acetophenone in good yield (94%). Equimolar amounts of the prepared thiosemicarbazone (50 mmol) and alpha-bromo-4-iodo-acetophenone (50 mmol), both suspended in 50 mL of ethanol, were reacted at room temperature under magnetic stirring for 10 h. The precipitate was filtered and purified by chromatography to give compounds 1-25 in high yield.

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:
Article; Secci, Daniela; Bizzarri, Bruna; Bolasco, Adriana; Carradori, Simone; D’Ascenzio, Melissa; Rivanera, Daniela; Mari, Emanuela; Polletta, Lucia; Zicari, Alessandra; European Journal of Medicinal Chemistry; vol. 53; (2012); p. 246 – 253;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Related Products of 31827-94-8, A common heterocyclic compound, 31827-94-8, name is 2-Bromo-1-(4-iodophenyl)ethanone, molecular formula is C8H6BrIO, 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.

Example QC-13b To a solution of (S)-1-(benzyloxycarbonyl)pyrrolidine-2-carboxylic acid (6.5 g, 26.1 mmol) in 150 mL of ethyl acetate was added triethylamine (4.0 mL, 28.7 mmol) and Example QC-13a (8.5 g, 26.1 mmol) at 0 C. The resulting mixture was stirred at room temperature overnight. The reaction mixture was filtered. The filtrate was washed with saturated sodium bicarbonate aqueous solution, and brine. The organic layer was dried with MgSO4 and concentrated. The crude product was purified by a flash chromatography (silica gel, 10-40% ethyl acetate/hexanes) to give the product as a white solid Example QC-13b (15.3 g, 85.4%). 1H NMR (500 MHz, CDCl3) delta ppm 1.87-2.01 (m, 1H) 2.01-2.16 (m, 1H) 2.22-2.42 (m, 2H) 3.44-3.58 (m, 1H) 3.59-3.71 (m, 1H) 4.45-4.58 (m, 1H) 5.04-5.50 (m, 4H) 7.27-7.38 (m, 5H) 7.53 (d, J=8.24 Hz, 1H) 7.59 (d, J=8.24 Hz, 1H) 7.85 (dd, J=8.39, 3.81 Hz, 2H). LC/MS: Anal. Calcd. for C21H21INO5 [M+H]+ 494.05; found 494.32.

The synthetic route of 31827-94-8 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Bristol-Myers Squibb Company; US2010/249190; (2010); 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. 31827-94-8, name is 2-Bromo-1-(4-iodophenyl)ethanone, A new synthetic method of this compound is introduced below., name: 2-Bromo-1-(4-iodophenyl)ethanone

General procedure: The appropriate carbonyl compound (50 mmol) was dissolved in 50 mL of ethanol and magnetically stirred with an equimolar quantity of thiosemicarbazide for 24 h at room temperature with catalytic amounts of acetic acid. The desired thiosemicarbazone precipitated from reaction mixture, was filtered, crystallized from suitable solvent, and dried. Equimolar quantities of 4-iodo-acetophenone and bromine, both dissolved in chloroform, were stirred for 4 h at room temperature until the presence of HBr disappeared. The solution was evaporated under vacuum and the obtained pale yellow solid was washed with petroleum ether to give alpha-bromo-4-iodo-acetophenone in good yield (94%). Equimolar amounts of the prepared thiosemicarbazone (50 mmol) and alpha-bromo-4-iodo-acetophenone (50 mmol), both suspended in 50 mL of ethanol, were reacted at room temperature under magnetic stirring for 10 h. The precipitate was filtered and purified by chromatography to give compounds 1-25 in high yield.

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; Secci, Daniela; Bizzarri, Bruna; Bolasco, Adriana; Carradori, Simone; D’Ascenzio, Melissa; Rivanera, Daniela; Mari, Emanuela; Polletta, Lucia; Zicari, Alessandra; European Journal of Medicinal Chemistry; vol. 53; (2012); p. 246 – 253;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Reference of 31827-94-8, The chemical industry reduces the impact on the environment during synthesis 31827-94-8, name is 2-Bromo-1-(4-iodophenyl)ethanone, I believe this compound will play a more active role in future production and life.

To a solution of 4-iodoacetophcnonc 4.9 ( 1 O g, 40.6 mmol) in dioxanc ( 100 mL) was added bromine (2.18 mL, 42.7 mmol) dropwise at 0 C. The reaction mixture was stirred for 30 minutes. The resulting solution was concentrated. The residue was dissolved in dichloromethane (200 mL) and was washed with satd. NaHCO3, H2O and brine, dried over Na2SO4, and concentrated to give 4.10. To a solution of 4.10 in DMF ( 100 mL) were added potassium carbonate ( 16.8 g, 122 rnmol) and /ert-butylcarbamidine hydrochloride 4.11 ( 1 1.1 g, 81.2 mmol). After stirring overnight, the reaction mixture was filtered and the filtrate was concentrated. The resulting residue was purified on silica gel using a mixture of hexanes and ethyl acetate to give 4.12 (8.1 g, 61%). LRMS (M+Na+) m/z 327.0.

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-(4-iodophenyl)ethanone, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; CYTOKINETICS, INC.; SMITHKLINE BEECHAM CORPORATION; WO2007/56143; (2007); A2;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Synthetic Route of 31827-94-8, 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. 31827-94-8, name is 2-Bromo-1-(4-iodophenyl)ethanone, This compound has unique chemical properties. The synthetic route is as follows.

General procedure: The appropriate carbonyl compound (50 mmol) was dissolved in 50 mL of ethanol and magnetically stirred with an equimolar quantity of thiosemicarbazide for 24 h at room temperature with catalytic amounts of acetic acid. The desired thiosemicarbazone precipitated from reaction mixture, was filtered, crystallized from suitable solvent, and dried. Equimolar quantities of 4-iodo-acetophenone and bromine, both dissolved in chloroform, were stirred for 4 h at room temperature until the presence of HBr disappeared. The solution was evaporated under vacuum and the obtained pale yellow solid was washed with petroleum ether to give alpha-bromo-4-iodo-acetophenone in good yield (94%). Equimolar amounts of the prepared thiosemicarbazone (50 mmol) and alpha-bromo-4-iodo-acetophenone (50 mmol), both suspended in 50 mL of ethanol, were reacted at room temperature under magnetic stirring for 10 h. The precipitate was filtered and purified by chromatography to give compounds 1-25 in high yield.

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

Reference:
Article; Secci, Daniela; Bizzarri, Bruna; Bolasco, Adriana; Carradori, Simone; D’Ascenzio, Melissa; Rivanera, Daniela; Mari, Emanuela; Polletta, Lucia; Zicari, Alessandra; European Journal of Medicinal Chemistry; vol. 53; (2012); p. 246 – 253;,
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. 31827-94-8, name is 2-Bromo-1-(4-iodophenyl)ethanone, A new synthetic method of this compound is introduced below., name: 2-Bromo-1-(4-iodophenyl)ethanone

General procedure: To a mixture of olefin (0.5 mmol) and tween-80 (30 mL) in water (3 mL) was added DBH (214.5 mg, 0.75 mmol) at room temperature, and the mixture was stirred under the conditions as indicated in Table 1. After cooling to room temperature and removal of solvent under reduced pressure, EtOH (3 mL), thiourea (57.1 mg, 0.75 mmol) (or 0.75 mmol of N-methylthiourea/N-phenethylthiourea) were added to the mixture, and the obtained mixture was stirred for 2 h at 80 C. The mixture was diluted with ethyl acetate (60 mL). The organic phase was washed with brine (10mL x 3) and dried over Na2SO4. After concentrated under reduced pressure, the residue was purified by preparative thin layer chromatography to afford the corresponding 2-aminothiazoles.

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; Ma, Chunhua; Miao, Yuqi; Zhao, Minghao; Wu, Ping; Zhou, Jianglu; Li, Zhi; Xie, Xilei; Zhang, Wei; Tetrahedron; vol. 74; 27; (2018); p. 3602 – 3607;,
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. 31827-94-8, name is 2-Bromo-1-(4-iodophenyl)ethanone, A new synthetic method of this compound is introduced below., Product Details of 31827-94-8

A 1 L round bottom flask equipped with a mechanical stirrer, thermocouple, and a reflux condenser was charged with 2′-bromo-4-iodoacetophenone (44.0 g, 0.135 mol), potassium acetate (19.9 g, 0.203 mol), benzyl triethylammonium chloride (1.5 g, 0.007 mol) and 1,2-dichloroethane (425 mL). The reaction mixture stirred at 70 C. for 4 hours then was cooled to 25 C. Water (250 mL) was added and the contents were shaken in a separatory funnel. The dichloroethane layer was separated and was washed with aq. saturated sodium bicarbonate (200 mL) and brine (100 mL). The dichloroethane was dried over sodium sulfate, filtered, and the solvents were removed under reduced pressure to give product as a tan solid (41.2 g, 97% yield): mp 103-107 C.

The synthetic route of 31827-94-8 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Tisdell, Francis Eugene; Bis, Scott Jerome; Hedge, Vidyadhar Babu; Martin, Timothy Patrick; Perreault, Denise Marie; Yap, Maurice Chee Hoong; Guenthenspberger, Katherine Anne; Dripps, James Edwin; Gifford, James Michael; Schoonover, Joe Raymond; Karr, Laura Lee; Dintenfass, Leonard Paul; Neese, Paul Allen; US2004/6108; (2004); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Adding a certain compound to certain chemical reactions, such as: 31827-94-8, name is 2-Bromo-1-(4-iodophenyl)ethanone, 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 31827-94-8, name: 2-Bromo-1-(4-iodophenyl)ethanone

General procedure: Sodium sulfite, sodium bicarbonate and sulfonyl chlorides in water were irradiated at 500 W for 20 min in a microwave oven. An ethanolic solution of the corresponding acetophenone was then added to sodium sulfinate and the reaction mixture was irradiated for 10 min to produce sulfones in good yields (1-13) (Scheme 2).

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:
Article; Paloque, Lucie; Bouhlel, Ahlem; Curti, Christophe; Dumtre, Aurelien; Verhaeghe, Pierre; Azas, Nadine; Vanelle, Patrice; European Journal of Medicinal Chemistry; vol. 46; 7; (2011); p. 2984 – 2991;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com