Tag: M.W=200-300

Related Products of 82998-57-0, As we all know, there are many different methods for the synthesis of a compound, and people can choose the synthesis method that suits their own laboratory according to the actual situation. 82998-57-0 name is 3-Iodo-4-methylbenzoic acid, This compound is widely used in many fields, so it is necessary to find a new synthetic route. The downstream synthesis method of this compound is introduced below.

Add 2 drops of DMF into 628 mg 3-iodo-4-methylbenzoic acid (2.2 mmol) in 20 mL SOCl2 and reflux for 2 h. After vacuum evaporation of SOCl2, add 6.0 mL anhydrous THF and get the pale yellow solution. Dissolve the product from step 1, 524 mg 5-(4-methyl-1H-imidazol-1-yl)-3-(trifluoromethyl)-benzenamine (2.0 mmol) in 6.0 mL anhydrous THF and add 10 mmol Et3N, and the pale yellow solution prepared previously is added drop wise till it is all added. The reaction mixture rises to room temperature for 1 hr. The reaction was quenched with addition of brine and extracted with EtOAc. The combined extraction organic layers was dried and concentrated under vacuum, the residue was purified through column chromatography to afford 873 mg desired product. (90%) MS (ESI), m/z: 486 (M++H+).

At the same time, in my other blogs, there are other synthetic methods of this type of compound, 3-Iodo-4-methylbenzoic acid, and friends who are interested can also refer to it.

Reference:
Patent; Guangzzhou Institute of Biomedicine and Health, Chineses Academy of Sciences; Ding, Ke; Wang, Deping; Pei, Duanqing; Zhang, Zhang; Shen, Mengjie; Luo, Kun; Feng, Yubing; US2013/196985; (2013); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Some common heterocyclic compound, 19230-28-5, name is 1,3-Dichloro-2-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. Quality Control of 1,3-Dichloro-2-iodobenzene

General procedure: Typical procedure for the synthesis of the compounds compiled in the table below:A vial charged with a stir bar, (1 S,2S)-2-{5-[2-fluoro-5-(4,4,5,5-tetramethyl-[1 ,3,2]dioxaborolan-2-yl)-benzylamino]-pyrazin-2-yl}-cyclopropane-carboxylic acidmethyl ester (46% ee; 45 mg, 0.11 mmol, 1 .0 eq.), the coupling partner as bromide(0.11 mmol, 1.0 eq.), 1 M aqueous K3P04 solution (0.50 mmol, 4.7 eq.), and 1,4dioxane (1.5 mL) is purged with Ar for 10 mi Bis[di-tert-butyl-(4- d imethylaminophenyl)-phosph meld ichloropallad ium(I I) (PdCI2(Amphos)2 0.003 mmol, 3 mol%) is added, and the mixture is stirred at 90 00 until the starting boronic ester is completely consumed (by TLC or HPLC). After cooling to room temperature,methanol (1 mL) and 4 M aqueous NaOH solution (2.0 mmol, ca. 19 eq.) are added, and the mixture is stirred at 45 00 for 1 h. The mixture is acidified with 50% aqueous trifluoroacetic acid, filtered, and chromatographed (HPLC; acetonitrile/water/trifluoroacetic acid) to give the corresponding carboxylic acid with the same enantiomeric purity as the starting material.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 19230-28-5, its application will become more common.

Reference:
Patent; BOEHRINGER INGELHEIM INTERNATIONAL GMBH; ECKHARDT, Matthias; WAGNER, Holger; (77 pag.)WO2018/138028; (2018); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Reference of 618-91-7,Some common heterocyclic compound, 618-91-7, name is Methyl 3-iodobenzoate, molecular formula is C8H7IO2, 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.

To a 100-ml autoclave, were added aryl iodide (1.0 mmol),acylhydrazine (2.0 mmol), the catalyst (Pd: 0.78 mol%), base(1.06 mmol) and DMSO (5.0 ml). The autoclave was flushed by CO flow and pressurized to 4.0 MPa. The reaction was performed at 120C for the given time. The reaction mixture was extracted with ethyl acetate. The carbonylation product was obtained by purifica-tion over silica column with the eluent of ethyl acetate/petroleumether (60-90C) (v/v, 2:1). In the five-run recycling test, the cata-lyst was separated by adding 30 ml mixture of petroleum ether anddiethyl ether and washed by ethyl acetate and diethyl ether afte reach testing run. The catalyst was dried vacuum and then recycled into the next batch.

The synthetic route of 618-91-7 has been constantly updated, and we look forward to future research findings.

Reference:
Article; Chen, Bingfeng; Li, Fengbo; Huang, Zhijun; Lu, Tao; Yuan, Guoqing; Applied Catalysis A: General; vol. 481; (2014); p. 54 – 63;,
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. 4387-36-4, name is 2-Iodobenzonitrile, A new synthetic method of this compound is introduced below., Computed Properties of C7H4IN

General procedure: F mixture of aryl halide (1.0 mmol), K4Fe(CN)6 (0.17 mmol), K2CO3 (1.0 mmol) and Pd/CuO NPs(0.024 mol percent) in DMF (5.0 mL) was heated at 120C for the appropriate time. After completion of the reaction, the mixture was cooled to room temperature and the catalyst separated from the reaction mixture using centrifuge. The resultant solution was extracted with Et2O (320 mL). The combined organic extracts were washed with brine, dried over Na2SO4, filtered and evaporated under reduced pressure to give the crude product. The residue was purified by recrystallization using ethanol and water. The purity of the compounds was confirmed by 1H NMR.

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; Nasrollahzadeh, Mahmoud; Tetrahedron Letters; vol. 57; 3; (2016); p. 337 – 339;,
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. 13329-40-3, name is 1-(4-Iodophenyl)ethanone, This compound has unique chemical properties. The synthetic route is as follows., Recommanded Product: 13329-40-3

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.

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 13329-40-3.

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

Synthetic Route of 19094-56-5, 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.

General procedure: The mixture of 5-bromo-2-chloro-4-(piperazin-1-yl)pyrimidinedihydrochloride 4 (0.00285 mol), substituted acid (0.00371 mol)and N, N, dimethylformamide (10 V) was cooled to 0e5 C. Further,N, N-Diisopropylethylamine (0.0142 mol), HATU (0.00371 mol) wasadded slowly at 0e5 C and mixture was stirred for 20 min. Thereaction mass warmed to 25e30 C and stirred for 16 h. Aftercompletion of reaction, the reaction mass was diluted with ethylacetate (25 V), organic layer was washed using 1 M citric acid solution,1 M lithium hydroxide solution and followed by water.Organic layer was concentrated and triturated using n-heptane.Reaction mass was filtered off and obtained solid was recrystallizedwith suitable solvent to obtain titled compounds.

The chemical industry reduces the impact on the environment during synthesis 2-Chloro-5-iodobenzoic acid. I believe this compound will play a more active role in future production and life.

Reference:
Article; Munikrishnappa, Chandrashekar Suradhenupura; Puranik, Sangamesh B.; Kumar, G.V. Suresh; Prasad, Y. Rajendra; European Journal of Medicinal Chemistry; vol. 119; (2016); p. 70 – 82;,
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. 612-55-5, name is 2-Iodonaphthalene, A new synthetic method of this compound is introduced below., Safety of 2-Iodonaphthalene

General procedure: To a 25 mL two neck round bottom flask attached with a reflux condenser, were added the aryl halide (1 mmol), boronic acid (1.25 mmol), Na2CO3 (2 mmol), and Pd nanoparticles (0.94 mol %) in 4 mL DMF or DMF/H2O (1:1), and the reaction mixture heated at the appropriate temperature and duration. The reaction was monitored by gas chromatography. After the reaction was complete, the mixture was extracted with ethyl acetate three times, the combined organic extracts dried over anhydrous Na2SO4 and the solvent evaporated at reduced pressure. The crude products were then purified by column chromatography [hexane or hexane/ethyl acetate (9:1)] and analyzed by GC, LC-MS, and NMR.

The synthetic route of 612-55-5 has been constantly updated, and we look forward to future research findings.

Reference:
Article; Bendre, Ameya D.; Kodam, Kisan M.; Patil, Viraj P.; Terdale, Santosh S.; Waghmode, Suresh B.; Journal of Organometallic Chemistry; vol. 909; (2020);,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Application of 19094-56-5, The chemical industry reduces the impact on the environment during synthesis 19094-56-5, name is 2-Chloro-5-iodobenzoic acid, I believe this compound will play a more active role in future production and life.

EXAMPLE 57A A solution of 2-chloro-5-iodobenzoic acid (600 mg), phenylboronic acid (285 mg) and PdCl2(dppf) (173 mg) in 3M Na2CO3 (2.83 mL) and dioxane (4.5 mL) at 60 C. was stirred for 4 hours, cooled, acidified with 1M HCl, and extracted with ethyl acetate. The extract was washed with brine and concentrated. The concentrate was flash chromatographed on silica gel with ethyl acetate.

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-Chloro-5-iodobenzoic acid, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; Wendt, Michael D.; Sun, Chaohong; Sauer, Daryl R.; Elmore, Steven W.; Kunzer, Aaron R.; US2007/72833; (2007); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Application of 452-79-9, 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. 452-79-9, name is 2-Fluoro-1-iodo-4-methylbenzene belongs to iodides-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below.

Example 180 (5R)-7-(2-Fluoro-4-methylphenyl)-2-(trans-4-hydroxycyclohexyl)-2,7-diazaspiro[4.5]decan-l- one H A mixture of (5R)-2-(fralphar°-4-hydroxycyclohexyl)-2,7-diazaspiro[4.5]decan-l-one (20 mg, 0.00007 mol, this compound was prepared by using procedures analogous to those described in example 1, steps 1-5), 4-methyl-2-fluoro-l-iodobenzene (21 mg, 0.00009 mol), sodium tert-bvAoxide (9.98 mg, 0.000104 mol), 1,4,7,10,13,16-hexaoxacyclooctadecane (27.4 mg, 0.000104 mol) , 2-(di- tert-butylphosphino)biphenyl (0.8 mg, 0.000003 mol) , tris(diben2ylideneacetone)dipalladium(0) (1 mg, 0.000001 mol), in tert-butyl alcohol (1.0 mL, 0.010 mol) was stirred at rt for 18. The crude product was purified by prep-HPLC to afford the desired product. . LC-MS: 361.1 (MfH)+.

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-Fluoro-1-iodo-4-methylbenzene, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; INCYTE CORPORATION; WO2006/53024; (2006); A2;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Adding a certain compound to certain chemical reactions, such as: 59528-27-7, name is (4-Iodophenyl)methanamine hydrochloride, 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 59528-27-7, Computed Properties of C7H9ClIN

A mixture of (4-iodophenyl)methanamine hydrochloride (5.0 g, 18.55 mmol, 1.0 eq), (1S,2S)-N1,N2- dimethylcyclohexane-l,2-diamine (0.59 mL 3.71 mmol, 0.2 eq), Sodium ascorbate (368 mg, 1.86 mmol, 0.1 eq), Copper Iodide (530 mg, 2.78 mmol, 0.15 eq), Sodium azide (2.41 g, 37.1 mmol, 2.0 eq) , Et3N (3.11 mL, 22.26 mmol, 1.2 eq) and 2-(prop-2-yn-l-yloxy)tetrahydro- 2H-pyran (2.6 g, 18.55 mmol, 1.0 eq) in Methanol (50 mL) and water (12 mL) were purged with Nitrogen for 5 minutes and heated to 55 C for overnight. The reaction mixture was cooled to room temperature and filtered through 413 filter paper. Celite was added and the solvent was removed under reduced pressure and the residue was purified over silica gel (120 g) using dichloromethane/(methanol containing 12 % (v/v) aqueous ammonium hydroxide) as mobile phase. The concentration of (methanol containing 12 % (v/v) aqueous ammonium hydroxide) was gradually increased from 0 % to 6.25 % to afford (4-(4-(((tetrahydro-2H-pyran-2- yl)oxy)methyl)-1H-1,2,3-triazol-1-yl)phenyl)methanamine (15, 3.54 g, 66%) as a white solid. LCMS m/z: [M + H]+ Calcd for Ci5H2oN402 289.2; Found 289.2.

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, (4-Iodophenyl)methanamine hydrochloride, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; SIGILON THERAPEUTICS, INC.; SEWELL, Jered, A.; CARMONA, Guillaume; GONZALEZ, Francisco, Caballerro; HEIDEBRECHT, Richard; MILLER, Robert, James; OBERLI, Matthias, Alexander; PERITT, David; SMITH, Devyn, McKinley; VEISEH, Omid; WOTTON, Paul, Kevin; (182 pag.)WO2019/67766; (2019); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com