Continuously updated synthesis method about 191348-14-8

The chemical industry reduces the impact on the environment during synthesis 2-Iodo-4-methoxyaniline. I believe this compound will play a more active role in future production and life.

Application of 191348-14-8, 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. 191348-14-8, name is 2-Iodo-4-methoxyaniline, This compound has unique chemical properties. The synthetic route is as follows.

General procedure: A 25 mL Wattecs reaction tube was charged with 2-haloaniline 1 (0.6 mmol), potassium O-ethyl dithiocarbonate 2 (1.8 mmol),CuCl (0.06 mmol), and DMF (2 mL). The reaction vessel was flushed with argon three times and sealed. Then the mixture was stirred electromagnetically in an oil bath at 110C for 6 h.The reaction process was monitored by TLC on silica gel. After the reaction was completed, the reaction mixture was cooled to room temperature, and then HCl (3 mL, 3 mol/L) was added and stirred for another 30 min. The reaction mixture solution was extracted by ethyl acetate (3 ¡Á 20 mL). Subsequently, the combined organic solutions were dried by anhydrous sodium sulfate and the target product was purified by chromatography on a silica gel column (eluent: petroleum ether/ethyl acetate) togive the corresponding pure product 3. Complete characterization characterizationof the products (all known) is found in the Supplemental Materials (Figures S1-S13).

The chemical industry reduces the impact on the environment during synthesis 2-Iodo-4-methoxyaniline. I believe this compound will play a more active role in future production and life.

Reference:
Article; Liu, Lei; Zhu, Ning; Gao, Min; Zhao, Xiaole; Han, Limin; Hong, Hailong; Phosphorus, Sulfur and Silicon and the Related Elements; vol. 191; 5; (2016); p. 699 – 701;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

New downstream synthetic route of 723294-75-5

At the same time, in my other blogs, there are other synthetic methods of this type of compound, 3-Fluoro-5-iodobenzonitrile, and friends who are interested can also refer to it.

Application of 723294-75-5, 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. 723294-75-5 name is 3-Fluoro-5-iodobenzonitrile, 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.

Procedure for preparation of compound 2:To a solution of 13 (1000mg, 0.46mmoi) and 14 (135.8mg, 0.SSmmoi) in DMSO (2OmL) was added CuT (95mg, 0.OSmmol) and C52C03 (399.7mg, 0.92mmoi) at rt, the mixture was stirred at 100C for lOh under N2 atmosphere. The solution was diluted with EtOAc (lOmL), washedwith water, biine (iOmnL), dried over anhydrous Na2SO4, filtered and concentrated to dryness. The residue was purified by prep-TLC to afford the target product Compound 2 (5.0mg, yield:3.2 % LCMS: m/z, 338.0 ?M+H)1INNIR (400 MHz, CDCI3): .59 (d, j:::: 4.4 Hz, 111), 7.88 (d, j:::: 6.8 Hz, 1H), 759-752(m, 3H), 750-745 (m, 3H), 7.32-7.28 (m, 3H), 7.19-7.17 (m, 1H).

At the same time, in my other blogs, there are other synthetic methods of this type of compound, 3-Fluoro-5-iodobenzonitrile, and friends who are interested can also refer to it.

Reference:
Patent; HUA MEDICINE (SHANGHAI) LTD.; CHEN, Li; LI, Yongguo; (44 pag.)WO2017/173604; (2017); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Extracurricular laboratory: Synthetic route of 16355-92-3

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.

Synthetic Route of 16355-92-3, A common heterocyclic compound, 16355-92-3, name is 1,10-Diiododecane, molecular formula is C10H20I2, 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.

3,3′-(1,9-Decanediyn-1,10-diyl)-bis-pyridine (1 mmol) and an equivalent of 1,10-diiododecane were mixed in acetonitrile (1000 mL). The mixture was refluxed for 7 days. The solvent was removed in vacuo after cooling and the resulting residue was taken up in water and partitioned between diethyl ether and water. The aqueous layer was extracted extensively with diethyl ether remove the starting materials. Most of the water was removed and the residue was transferred into methanol. Methanol was removed and the product was dried under vacuum to afford the bis-pyridinium cyclophane (40% yield). HNMR (300 MHz, D2O), 10.11 (s, 2H), 9.37 (d, J=6.3, 2H), 8.22 (dt, J=7.8, J=1.2, 2H), 8.03 (dd, J=6.3, J=7.8, 2H), 4.99 (t, J=8.1, 4H), 2.49 (t, J=6.6, 4H), 2.15-2.17 (m, 4H), 1.38-1.75 (m, 24H). CNMR, 147.73, 145.88, 142.71, 128.04, 126.46, 102.54, 74.29, 61.82, 32.44, 28.71, 27.90, 27.83, 27.40, 25.81, 20.21.

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:
Patent; UNIVERSITY OF KENTUCKY RESEARCH FOUNDATION; US2010/222377; (2010); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Analyzing the synthesis route of 3930-83-4

The synthetic route of 2-Iodobenzamide has been constantly updated, and we look forward to future research findings.

Application of 3930-83-4, 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. 3930-83-4, name is 2-Iodobenzamide belongs to iodides-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below.

General procedure: To a solution of 2-iodobenzamide (3) or 2-bromonicotinamide (6) (2.0 mmol) in DMSO (3 mL), was added aldehyde (2.2 mmol), NaN3 (260 mg, 4.0 mmol), CuBr (29 mg, 0.2 mmol), and l-proline (46 mg, 0.4 mmol). The reaction mixture was stirred at 80 C under air. After disappearance of the reactant (monitored by TLC), water (30 mL) was added to the mixture, and then extracted with ethyl acetate (15 mL) for three times. The extraction was washed with saturated NaCl solution, dried over anhydrous Na2SO4 and concentrated under reduced pressure. The residue was purified by column chromatography on silica gel using petroleum ether/ethyl acetate (10:1 to 3:1) as the eluent to give the desired products 5 or 7.

The synthetic route of 2-Iodobenzamide has been constantly updated, and we look forward to future research findings.

Reference:
Article; Li, Ting; Chen, Minglu; Yang, Lei; Xiong, Zhengxin; Wang, Yongwei; Li, Fei; Chen, Dongyin; Tetrahedron; vol. 72; 6; (2016); p. 868 – 874;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Simple exploration of 42860-04-8

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

Adding a certain compound to certain chemical reactions, such as: 42860-04-8, name is 4-Chloro-3-iodobenzoic acid, 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 42860-04-8, Recommanded Product: 4-Chloro-3-iodobenzoic acid

(i)4-chloro-3-iodobenzyl Alcohol Borane-THF complex (10 ml) was added dropwise over 20 minutes to a solution of 4-chloro-3-iodobenzoic acid (1.4 g) in THF (25 ml). The reaction mixture was stirred for 2 hours and then cooled (ice bath) and methanol (20 ml) was added cautiously. The solvent was removed and the residue was dissolved in methanol (10 ml) and stirred with aq. 2M sodium hydroxide (10 ml) for 2 hours. Ethyl acetate (50 ml) was added and the mixture was washed with saturated aq. sodium bicarbonate solution (50 ml). The aqueous extracts were washed with ethyl acetate (2*50 ml) and the combined ethyl acetate extracts were washed with water (50 ml) and brine (50 ml) and died. Removal of the solvent gave 4-chloro-3-iodobenzyl alcohol (1.15 g). NMR (CD3SOCD3): d 4.45 (d, 2H), 5.3 (t, 1H), 7.3 (m, 1H), 7.5 (m, 1H), 7.8 (s, 1H).

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

Reference:
Patent; AstraZeneca AB; US6984657; (2006); B1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Share a compound : 811842-30-5

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.

Adding a certain compound to certain chemical reactions, such as: 811842-30-5, name is 2-Bromo-1-fluoro-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 811842-30-5, name: 2-Bromo-1-fluoro-4-iodobenzene

To a mixture of 2-bromo-l-fluoro-4-iodobenzene (11.30 g, 37.6 mmol), copper(I) iodide (715 mg, 3.76 mmol), bis(triphenylrhohosphme)palladium(II) dichloride (1.32 g, 1.90 mmol) and piperidine (5.21 mL, 5.26 mmol) in anhydrous tetrahydrofuran (150 mL) ethynyl(trimethyl)silane (7.43 mL, 5.26 mmol) was added under an atmosphere of argon. The reaction mixture was stirred at room temperature for 0.5 h. The mixture was filtered and the solvent was evaporated in vacuo. Purification by column chromatography, using 0- 20% ethyl acetate in heptane as the eluent, gave the trimethylsilyl protected product. To remove the trimethylsilyl group, potassium carbonate (15.6 g, 113 mmol) and methanol (100 mL) were added to the product and the mixture was stirred at room temperature for 45 min. The slurry was filtered and the solvent was evaporated in vacuo. Water was added and the mixture was extracted with ethyl acetate. The combined organic extracts were washed with aqueous saturated sodium chloride, dried over magnesium sulfate, filtered and the solvent was evaporated in vacuo to give 6.70 g (90% yield) of the title compound: 1H- NMR (DMS(W*) delta 7.85 (dd, J = 6.6, 2.1 Hz, 1 H), 7.58-7.52 (m, 1 H), 7.40 (t, J = 8.8 Hz, 1 H), 4.30 (s, 1 H); MS (EI) m/z 198, 200 [M+.].

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; ASTRAZENECA AB; ASTEX THERAPEUTICS LTD; WO2008/76046; (2008); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Application of 13194-68-8

The synthetic route of 4-Iodo-2-methylaniline has been constantly updated, and we look forward to future research findings.

Related Products of 13194-68-8, 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. 13194-68-8, name is 4-Iodo-2-methylaniline belongs to iodides-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below.

4-iodo-2-methylbenzenamine 24 (233mg, 1 mmol ) on reaction with l-rert-butyl-4-ethynylbenzene (25b, 158 mg,l .mmol) by employing Sonagashira coupling conditions using Pd(PPh3)4 (69.3 mg, 0.06 equiv) as catalyst, Cul (22.8 mg, 0.12equiv) as cocatalyst, butyl amine (261 mg, 3 equiv)as base and ether as solvent and kept the reaction for 6h. After completion of the reaction as indicated by TLC and the reaction mixture is extracted into ether (4×25 mL) from the aqueous layer and concentrated in vacuo. The compound was further purified by column chromatography using 60-120 silica gel (ethyl acetate/hexane,l:9) to obtain 4-((4-tert-butylphenyl) ethynyl)-2-methyl benzene amine (26b) as pure product. Anthranilic acid (27, 137 mg, lmmol) on reaction with acetic anhydride at 150 C and reflux for 30 min, after completion of reaction aqueous sodium bicarbonate solution is added and extracted in ethyl acetate (4×25 mL) from the aqueous layer and concentrated in vacuo afforded 2-methyl 4H- benzo [cf] [l,3]oxazin-4-one compound (28) as pure product. To a stirred solution of 4-((4-tert- butylphenyl)ethynyl)-2-methylbenzenamine (26b, 263 mg, 1 mmol) with 2-methyl-4H- benzo[c ][l,3]oxazin-4-one (28, 161 mg, lmmol) in acetic acid and reflux for 8h After com pletion of the reaction as indicated by TLC. then the reaction mixture was quenched with NaHC03 and extracted in ethyl acetate (4×25 mL) from the ice cold aqueous layer and dried over anhydrous Na2S04 afforded 3-(4-((4-iert-butylphenyl)ethynyl)-2-methylphenyl)-2-methylquinazolin-4(3H)-one (29b). Reaction of 3-(4-((4-terf-butylphenyl)ethynyl)-2-methylphenyl)-2-methyl quinazolin-4(3H)-one (29b, 406 mg, lmmol) with 2,4-dihydroxybenzaldehyde (30d, 138 mg, lmmol) was taken in acetic acid Then the resulting mixture was stirred under reflux conditions for 8 h and then the reaction mixture was quenched with NaHC03 and extracted in ethyl acetate (4×25 mL) from the ice cold aqueous layer and dried over anhydrous Na2S04.The resulting product (5d) was purified by column chromatography employing EtOAc/Hexane as an eluent.Mp 93-95 C; JH NM R (CDCI3+DMSO-d6, 200 MHz) delta 8.23 (d, J = 15.9 Hz, 1H), 8.20 (s, 1H), 7.79-7.66 (m, 3H), 7.51-7.34 (m, 6H), 7.26 (s, 1H), 7.10 ( d, J = 8.3 Hz, 1H), 6.89 (d, J = 8.3 Hz, 1H), 6.21 (d, J = 15.2 Hz, 1H), 6.18 (s, 1H), 2.06 (s, 3H), 1.14 (s, 9H); LRMS(ESI, m/z) 527 (M)+

The synthetic route of 4-Iodo-2-methylaniline has been constantly updated, and we look forward to future research findings.

Reference:
Patent; CONCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH; KAMAL, Ahmed; SULTANA, Farheen; BHARATHI, Erla Vijaya; SRIKANTH, Yellamelli Valli Venkata; VISWANATH, Arutla; SWAPNA, Ponnampalli; WO2012/111017; (2012); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Extracurricular laboratory: Synthetic route of 116632-39-4

The synthetic route of 116632-39-4 has been constantly updated, and we look forward to future research findings.

Related Products of 116632-39-4, A common heterocyclic compound, 116632-39-4, name is 5-Bromo-2-iodotoluene, molecular formula is C7H6BrI, 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.

0.1 g of 1 -bromo-4-iodo-5-methylbenzene, 0.043 g of 1 -methyl-1 H-pyrazol -5- ylboronic acid, and 0.045 g of 1 ,1 ‘-Bis(diphenylphosphino)ferrocene]- dichloropalladium(ll) were placed in a septum-sealed vial and evacuated/nitrogen filled three times. 3 ml_ of 1 ,4-dioxane was then added, followed by the addition of 0.5 ml_ of 1 M cesium carbonate. The mixture was stirred at room temperature for 30 minutes and heated at 7O C for 4 hours. The reaction mixture was cooled, diluted with water, and extracted with ethyl acetate. The ethyl acetate was dried with sodium sulfate, filtered, concentrated, and the residue was purified by reverse phase HPLC to give 0.05 g of product. LCMS (M+H): 252

The synthetic route of 116632-39-4 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; PFIZER INC.; WO2009/69044; (2009); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Continuously updated synthesis method about 1878-69-9

The synthetic route of 2-(3-Iodophenyl)acetic acid has been constantly updated, and we look forward to future research findings.

Electric Literature of 1878-69-9, 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. 1878-69-9, name is 2-(3-Iodophenyl)acetic acid belongs to iodides-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below.

General procedure: To a stirred solution of 9 (60 mg, 0.34 mmol) in DMF (3 mL) HOBt (60 mg, 0.35 mmol) and EDC (68 mg, 0.35 mmol) were added at 0 C. The mixture was stirred at 0 C for 15 min and at room temperature for 1 h. Then, 4-tert-butylaniline (64 L, 0.40 mmol) was added, and the mixture was stirred at room temperature overnight. The mixture was diluted with brine and extracted with AcOEt. The organic phase was washed with 2 N HCl solution, saturated NaHCO3, and brine, dried (NaSO4), and evaporated under vacuum. The residue (105 mg) was chromatographed on silica gel (6 g) using petroleum ether/AcOEt = 93/7 as eluent to give 80 mg (77%) of 4a.

The synthetic route of 2-(3-Iodophenyl)acetic acid has been constantly updated, and we look forward to future research findings.

Reference:
Article; Ortar, Giorgio; Morera, Ludovica; Schiano Moriello, Aniello; Morera, Enrico; Nalli, Marianna; Di Marzo, Vincenzo; De Petrocellis, Luciano; Bioorganic and Medicinal Chemistry Letters; vol. 22; 10; (2012); p. 3535 – 3539;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Research on new synthetic routes about 618-91-7

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

Electric Literature of 618-91-7, 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. 618-91-7, name is Methyl 3-iodobenzoate belongs to iodides-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below.

117B: Methyl 3-phenylethynyl-benzoate; Methyl 3-iodobenzoate, phenylacetylene (1.5 eq.) and Pd(PPh3)2Cl2 (5 mol %) in piperidine (3 eq.) was heated at 70 C. for 30 minutes. The solidified residue was dissolved with CH2Cl2 and water and poured onto HCl 2N. The acidic phase was extracted three times with CH2Cl2. The combined organic layers were washed twice with HCl 2N, once with water and once with brine. The organic layer was then dried over MgSO4 and concentrated. The resulting residue was purified using SiO2 with petroleum spirit/toluene 70:30 to give methyl 3-phenylethynyl-benzoate as a white solid (quantitative yield). NMR 1H (ppm, CDCl3): 8.20 (t, J4=1.7 Hz, 1H), 7.98 (d, J3=7.9 Hz, 1H), 7.69 (d, J3=7.6 Hz, 1H), 7.54-7.50 (m, 2H), 7.42 (t, J3=7.8 Hz, 1H), 7.36-7.31 (m, 3H), 3.92 (s, 3H).

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

Reference:
Patent; THE WALTER AND ELIZA HALL INSTITUTE OF MEDICAL RESEARCH; US2008/153802; (2008); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com