Iodides-buliding-blocks

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. 755027-18-0, name is 1-Bromo-4-iodo-2-methoxybenzene, A new synthetic method of this compound is introduced below., Formula: C7H6BrIO

To a solution of 2-bromo-5-iodoanisole (12.5 g, 40 mmol) in DCM (200 mL) was added a 1.0 M DCM solution OfBBr3 (40 mL) dropwise at 0 0C. The reaction mixture was then allowed to warm to room temperature. After stirring overnight, the reaction mixture was cooled to 0 C and MeOH (5 mL) was added dropwise. After stirring for 10 minutes at room temperature, the reaction mixture was washed with IN HCl (2 x 50 mL), water (50 mL) and brine (50 mL). The organic layer was dried over MgSO4. filtered and concentrated under vacuum. The residue was then dissolved in DMF (100 mL) and Cs2CO3 (26 g, 80 mmol) and 2-(benzyloxycarbonylamino)ethyl methanesulfonate (11 g, 40 mmol) were added. After stirring at 80C under nitrogen for 4 h, the reaction mixture was dissolved in EtOAc (100 mL). The organic layer was washed with brine (3 x 50 mL), dried over MgSO4 and filtered. The solvent was removed under vacuum and the crude compound was purified by flash chromatography using cyclohexane/EtOAc (85/15) as eluent to afford the title compound (11.5 g, 60% yield) as a white solid. ESMS; m/z 476, 478 (M+l), 493, 495 (M+18) 1H-NMR (CDCl3): 53.64 (q, J= 5.2 Hz, 2H), 4.05 (t, J= 4.7 Hz, 2H), 5.12 (s, 2H), 5.33 (bs, IH), 7.15-7.24 (m, 3H), 7.35 (bs, 5H).13C-NMR (CDCl3): 540.4, 67.0, 68.7, 92.4, 112.4, 122.7, 128.2, 128.2, 128.6, 131.5, 134.6, 136.4, 155.4, 156.4.Theoretical Mass: (M + Na) 497.91777. Measured Mass: (M + Na) 497.91638 Microanalysis: %C 40.41 (40.36), %H 3.24 (3.18), %N 2.86 (2.94) M.p. 700C

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; UCL BUSINESS PLC; WO2009/27679; (2009); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Electric Literature of 51839-15-7, 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. 51839-15-7, name is Dimethyl 5-iodoisophthalate belongs to iodides-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below.

4.10 g (12.8 mmol) dimethyl 5-iodo-isophthalate were dissolved in 80 ml DMF. 3.32 g (20.1 mmol) 2-carbamoyl-phenylboric acid, 3.00 ml (21.6 mmol) TEA, 3.00 ml (167 mmol) water, 75 mg (0.33 mmol) palladium(II)-acetate as well as 102 mg (0.34 mmol) tri-ortho-tolylphosphine were added and the solution was heated to 100 C. for 2.5 h. The reaction solution was cooled and the solvent was distilled off i. vac. The residue was chromatographed on silica gel (gradient: DCM auf DCM/MeOH 7:3). 2.53 g (63%) of 11-a were obtained.RT (HPLC-MS)=2.68 min.ES-MS (M+H)+=314

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, Dimethyl 5-iodoisophthalate, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; Fuchs, Klaus; Eickmeier, Christian; Heine, Niklas; Peters, Stefan; Dorner-Ciossek, Cornelia; Handschuh, Sandra; Nar, Herbert; Klinder, Klaus; US2010/144681; (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. 2043-57-4, name is 1,1,1,2,2,3,3,4,4,5,5,6,6-Tridecafluoro-8-iodooctane, A new synthetic method of this compound is introduced below., Formula: C8H4F13I

Reactions were conducted in a manner similar to Example 1 using the catalysts of the above Preparation Examples 2 to 4. The results of analysis are shown in the table below.

The synthetic route of 2043-57-4 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Daikin Industries, Ltd.; US6664430; (2003); B1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Related Products of 77317-55-6, A common heterocyclic compound, 77317-55-6, name is Methyl 2-amino-5-iodobenzoate, molecular formula is C8H8INO2, 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.

REFERENCE EXAMPLE 108 2-Amino-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)benzoic acid methyl ester To a solution of methyl 5-iodoanthranilate (2.87 g, 10.0 mmol) and triethylamine (4.2 mL, 30 mmol) in 1,4-dioxane (20 mL), [1,1′-bis(diphenylphosphino)ferrocene]dichloropalladium(II) dichloromethane complex (82 mg, 0.10 mmol) was added and 4,4,5,5-tetramethyl-1,3,2-dioxaborolane (3.7 mL, 25 mmol) was added dropwise. The resultant mixture was stirred at 80 C for 14 hours under nitrogen atmosphere. The reaction mixture was combined with water, and extracted twice with ethyl acetate. The combined organic layer was washed with water and brine, filtered through a silica gel (eluding with ethyl acetate), and concentrated under reduced pressure. The residue was subjected to a column chromatography on a silica gel (hexane/ethyl acetate, 5:1), and recrystallized from ethyl acetate-hexane to obtain the title compound (1.45 g, yield: 52%). Melting point: 110-112 C 1H NMR (CDCl3) delta 1.33 (12H, s), 3.86 (3H, s), 5.96 (2H, br s), 6.63 (1H, d, J = 8.3 Hz), 7.67 (1H, dd, J = 8.3, 1.5 Hz), 8.33 (1H, d, J = 1.5 Hz).

The synthetic route of 77317-55-6 has been constantly updated, and we look forward to future research findings.

Reference of 335349-57-0, 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. 335349-57-0, name is 5-Chloro-4-iodo-2-nitroaniline, This compound has unique chemical properties. The synthetic route is as follows.

To a suspension of 5-chloro-4-iodo-2-nitroaniline (Intermediate 1, 36.5 g, 122 mmol) in EtOH (800 mL) and water (150 mL) was added iron powder (38 g, 673mmol) and NEta4CI (16 g, 306 mmol). The mixture was heated under nitrogen at 5O0C overnight. Additional iron powder (38 g, 673 mmol) and NH4Cl (16 g, 306 mmol) were added and heating was continued for 45 h. The reaction mixture was cooled, filtered and concentrated. The residue was re-dissolved in ethyl acetate and washed with sodium bicarbonate solution. The organic phase was concentrated to afford the desired product as a gray solid, which was used in the next step without further purification.

The chemical industry reduces the impact on the environment during synthesis 5-Chloro-4-iodo-2-nitroaniline. I believe this compound will play a more active role in future production and life.

Electric Literature of 2265-91-0,Some common heterocyclic compound, 2265-91-0, name is 1,3-Difluoro-5-iodobenzene, molecular formula is C6H3F2I, 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: A general procedure for the synthesis of diarylacetylenes 2 involved the addition of 2.0 mmol of arylacetylene to a mixture of 2.1 mmol of an aryliodide, 3.0 mmol of diisoproprylethylamine, 0.02 mmol of Pd(PPh3)4,and 0.02 mmol of CuI in water (7 mL). The mixture was stirred for 1-2 h at 75C. After cooling, the product was collected by filtration or extracted using dichloromethane and purified by recrystallization and/or chromatography.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 1,3-Difluoro-5-iodobenzene, its application will become more common.

Adding a certain compound to certain chemical reactions, such as: 19099-54-8, name is 1-Iodo-2-isopropylbenzene, 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 19099-54-8, Recommanded Product: 1-Iodo-2-isopropylbenzene

0.3 mmol of sodium carbonate and 0.1 mmol of 1,2-bis(4-methoxyphenyl)acetylene,Tetrakis(triphenylphosphine palladium) 0.005 mmol, bis(2-diphenylphosphinophenyl)ether 0.005 mmol,Benzo[d][1,3]dioxol-5-ylboronic acid 0.2 mmol,0.3 mmol of 2-isopropyliodobenzene and 1 mL of N,N-dimethylformamide were added to a 15 mL reaction tube.Nitrogen was repeatedly filled 10 times, placed in an oil bath at 120 C, and reacted for 24 hours;Cooled to room temperature, the reaction was diluted with ethyl acetate, washed with water three times, the organic phase dried over anhydrous Na2SO4, filtered, and concentratedPurification by thin layer chromatography gave 26.3 mg of the desired product, yield 55%.

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.

2043-53-0, name is 1-Iodo-1H,1H,2H,2H-perfluorodecane, belongs to iodides-buliding-blocks compound, is considered to be a conventional heterocyclic compound, which is widely used in drug synthesis. The chemical synthesis route is as follows. Safety of 1-Iodo-1H,1H,2H,2H-perfluorodecane

General procedure: Perfluoroalkylethyl iodide (1.0 mol equiv.) (3-4 mmol) and NaN3 (1.2 mol equiv.) were added to dry DMSO (2 mL) in a 10 mL CEM microwave glass reactor tube, a magnetic stirring bead added and the system sealed. The tube was subjected to stirring and microwave irradiation at 250 W and 65 C for 1 h then immediately cooled to r.t.

The synthetic route of 2043-53-0 has been constantly updated, and we look forward to future research findings.

Application of 191348-14-8, 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. 191348-14-8, name is 2-Iodo-4-methoxyaniline belongs to iodides-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below.

Under anhydrous and anaerobic conditions, 0.1 mmol of 2-iodo-4-methoxyaniline was added.0.12 mmol of 2-trifluoromethyl 4-methoxybenzaldehyde, 0.3 mmol of selenium powder, 0.005 mmol of copper, 0.2 mmol of potassium hydroxide and 10 ml of DMSO solution,The reaction was refluxed at 120 C in a single-neck round bottom flask, and the reaction was monitored by TLC.Separation of pure methoxy-containing benzoselenazole compounds by column chromatographyThe reaction product was obtained by demethylation of boron tribromide (6 eq.).The product is a pale yellow oily compound.The yield was 25%.

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

Electric Literature of 2468-56-6,Some common heterocyclic compound, 2468-56-6, name is 6-Iodohex-1-yne, molecular formula is C6H9I, 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: Concentrated sulfuric acid (0.15 mL) was added under stirring at ambient temperature to a suspension of 25 mmole of uracil 3 or uracil derivatives, namely 6-methyluracil 4, thymine 5, quinazoline-2,4(1H,3H)-dione 6 and hexamethyldisilazane (HMDS, 62.5 mmol) in 100 mL of toluene. The mixture was refluxed for 4 h, the solvent and excessive HMDS were removed to afford bis(trimethylsilyl) ether derivative 7. This crude product was engaged in the next step without any previous purification. A solution of 40 mmole of appropriate alkyne (propargyl bromide, 5-iodo-1-pentyne, 6-iodo-1-hexyne) in DMF (3 mL) was added to the crude product 7 and the reaction mixture was stirred at 115-130 C for 12 h. After the solvent was distilled off under reduced pressure, 200 ml of chloroform was added to the residue, and the mixture was filtered. The filtrate was concentrated, and the residue was purified by column chromatography on silica gel using as eluent first petroleum ether, then petroleum ether-ethyl acetate (1.5:1) and then ethyl acetate. From the third fraction the target N1-alkynyl-3,4-dihydro-2,4-dioxopyrimidines (3a,b, 4b,c, 5a,b, 6a,b) were isolated.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 6-Iodohex-1-yne, its application will become more common.