Category: 870837-18-6

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. 870837-18-6, name is 3-Methoxy-4-(4-methyl-1H-imidazol-1-yl)benzaldehyde, A new synthetic method of this compound is introduced below., Application In Synthesis of 3-Methoxy-4-(4-methyl-1H-imidazol-1-yl)benzaldehyde

The solution of 5g (130mg, 0.291 mmol) in THF (3ml) in ice- H2O bath was added IprMgCI UCI (1.3M in THF) solution (336mul, 0.437mmol), the mixture was kept stirring for 30 min at O0C before the addition of compound 1d (75mg, 0.350mmol), the resultant mixture was kept stirring at O0C for 2h. EtOAc (10ml) and NH4CI (6ml) were added, the aqueous was extracted once more with EtOAc (6ml). The combined organic was washed with brine (6ml), dried over anhydrous MgSO4, and concentrated. The residue was purified via ISCO (DCM/ MeOH (2N NH3) = 25:1) to 5h as a yellow solid (132mg). MH+ 584

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; SCHERING CORPORATION; WO2009/73777; (2009); A1;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Application of 870837-18-6, 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. 870837-18-6 name is 3-Methoxy-4-(4-methyl-1H-imidazol-1-yl)benzaldehyde, 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.

Aqueous hydrogen peroxide (30%, 18.9 mL) was added drop-wise over 20 minutes to a solution of 3-methoxy-4-(4-methyl-1/-/-imidazol-1-yl)benzaldehyde (5.0 g, 20.0 mmol) and potassium hydroxide (6.1 g, 92.5 mmol) in MeOH (38 mL) and water (6.6 mL) at 65 C. Following completion of the addition the reaction was stirred at room temperature for an additional 25 minutes. The reaction was then allowed to cool to room temperature and was acidified with cone. HCI. The resulting precipitate was filtered to provide the title compound as a white solid. Yield: 4.6 g, 17.1 mmol, 74%. MS (APCI) m/z 232.9 (M+1 ). 1H NMR (400 MHz, CD3OD) 2.45 (br s, 3H), 4.00 (s, 3H), 7.65 (br s, 1 H), 7.67 (d, J=8.4 Hz, 1 H), 7.82 (dd, J=8.3, 1.6 Hz, 1 H), 7.89 (d, J=1.6 Hz, 1 H), 9.24 (d, J=1.6 Hz, 1 H).

At the same time, in my other blogs, there are other synthetic methods of this type of compound, 3-Methoxy-4-(4-methyl-1H-imidazol-1-yl)benzaldehyde, and friends who are interested can also refer to it.

Reference:
Patent; PFIZER INC.; ALLEN, Martin, Patrick; AM ENDE, Christopher, William; BRODNEY, Michael, Aaron; DOUNAY, Amy, Beth; JOHNSON, Douglas, Scott; PETTERSSON, Martin, Youngjin; SCHWARZ, Jacob, Bradley; TRAN, Tuan, Phong; WO2010/100606; (2010); A1;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Application of 870837-18-6, These common heterocyclic compound, 870837-18-6, name is 3-Methoxy-4-(4-methyl-1H-imidazol-1-yl)benzaldehyde, 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.

To a THF solution of C6 (R21 = R21 = Me and R4 = Me1 R6 = H and R7 = p- F-Ph) will be added LDA (1.1 eq) at -78 0C and the solution will be stirred for 30 min before C7 (R8 = H; R10 = 3-MeO-phenyl; R9 = 4-(4-Methylimidazol-1-yl)) will be added. After the starting material is consumed, the reaction mixture will be treated with triflic anhydride and triethyl amine before the volatiles will be removed and residue chromatographed to give a product which upon TFA deprotection and purification will give compound C8 (R21 = R21 = Me and R4 = Me, R6 = H and R7 = p-F-Ph, R8 = H; R10 = 3-MeO-phenyl; R9 = 4-(4-Methylimidazol-1-yl)).

The synthetic route of 870837-18-6 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; SCHERING CORPORATION; WO2009/5729; (2009); A1;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Reference of 870837-18-6, A common heterocyclic compound, 870837-18-6, name is 3-Methoxy-4-(4-methyl-1H-imidazol-1-yl)benzaldehyde, molecular formula is C12H12N2O2, 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.

Synthesis of (Z)-(6S,9aR)-6-(3,4-difluorophenyl)-3-{1-[3-methoxy-4-(4-methyl-1H-imidazol-1-yl)benzylidene]hexahydropyrido[2,1-c][1,4]oxazin-4-one A solution of (4R,6S)-6-(3,4-difluorophenyl)-3-hydroxyhexahydropyrido[2,1-c][1,4]oxazin-4-one (151 mg) and triphenylphosphonium bromide (220 mg) in acetonitrile (7 mL) was heated under reflux for one hour and then left to cool to room temperature. To the reaction solution, 3-methoxy-4-(4-methyl-1H-imidazol-1-yl)benzaldehyde (115 mg) and triethylamine (0.22 mL) were added, and the reaction solution was stirred at room temperature for 12 hours. Ethyl acetate and saturated sodium bicarbonate water were added to the reaction solution, and the organic layer was separated. The resulting organic layer was washed with brine, dried over magnesium sulfate, and then concentrated under reduced pressure. The residue was purified by silica gel column chromatography (carrier: Chromatorex NH; elution solvent: heptane:ethyl acetate=1:1->ethyl acetate) to obtain 150 mg of the title compound. The property values of the compound are as follows. ESI-MS; m/z 466[M++H]. 1H-NMR(CDCl3) delta (ppm): 1.38-1.58(m,2H), 1.66-1.80(m,2H), 2.10-2.28(m,2H), 2.30(s,3H), 3.85(s,3H), 4.03(t,J=10.4 Hz,1H), 4.05-4.16(m,1H), 4.35(dd,J=10.4,2.0 Hz,1H), 5.33(t,J=4.0 Hz,1H), 6.82(s,1H), 6.92(brs,1H), 6.98-7.02(m,1H), 7.04-7.16(m,2H), 7.20(d,J=8.0 Hz,1H), 7.35(d,J=2.0 Hz,1H), 7.36(dd,J=8.0,2.0 Hz,1H), 7.71(d,J=1.2 Hz,1H).

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; Eisai R&D Management Co., Ltd.; US2007/117798; (2007); A1;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Electric Literature of 870837-18-6, The chemical industry reduces the impact on the environment during synthesis 870837-18-6, name is 3-Methoxy-4-(4-methyl-1H-imidazol-1-yl)benzaldehyde, I believe this compound will play a more active role in future production and life.

Synthesis of (Z)-(S)-4-[(1R,2R)-2-hydroxy-1-(3,4,5-trifluorophenyl)propyl]-2-[1-[3-methoxy-4-(4-methyl-1H-imidazol-1-yl)phenyl]methylidene]-6-methylmorpholin-3-one In nitrogen atmosphere, an acetonitrile solution (4 mL) of (S)-4-[(1R,2R)-2-tert-butyl-diphenylsilanyloxy-1-(3,4,5-trifluorophenyl)propyl]-2-hydroxy-6-methyl-morpholin-3-one (92 mg) and triphenylphosphine hydrobromide (68 mg) was heated under reflux for 1 hr. The solvent of the reaction solution was evaporated under reduced pressure. To an ethanol solution (4 mL) of the obtained residue, 3-methoxy-4-(4-methyl-1H-imidazol-1-yl)benzaldehyde (40 mg) and TEA (0.12 mL) were added. The resulting reaction solution was stirred in nitrogen atmosphere at room temperature overnight and then concentrated under reduced pressure. To the obtained residue, trifluoroacetic acid (1 mL) was added. The resulting reaction solution was stirred at room temperature for 2 hr and then poured into a saturated sodium hydrogencarbonate aqueous solution. The resulting mixture was extracted with ethyl acetate. The organic layer was washed with a saturated sodium hydrogencarbonate aqueous solution and then with saturated saline and concentrated under reduced pressure. The residue was purified by silica gel column chromatography (carrier: Chromatorex NH, eluding solvent; heptane:ethyl acetate=1:1 to 0:1) to give 61.9 mg of the title compound. The physical property values of this compound were as follows: ESI-MS; m/z 502 [M++H]. 1H-NMR (CDCl3) delta (ppm): 1.33 (d, J=6.0 Hz, 3H), 1.42 (d, J=6.0 Hz, 3H), 2.34 (s, 3H), 3.20 (dd, J=9.6, 12.8 Hz, 1H), 3.61 (dd, J=2.4, 12.8 Hz, 1H), 3.85 (s, 3H), 4.42-4.52 (m, 2H), 5.35 (d, J=6.8 Hz, 1H), 6.85 (s, 1H), 6.95 (s, 1H), 7.06-7.15 (m, 2H), 7.22 (d, J=8.0 Hz, 1H), 7.33 (dd, J=1.6, 8.0 Hz, 1H), 7.53 (d, J=1.6 Hz, 1H), 7.86 (s, 1H).

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, 3-Methoxy-4-(4-methyl-1H-imidazol-1-yl)benzaldehyde, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; Eisai R&D Management Co., Ltd.; US2009/48213; (2009); A1;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

870837-18-6, name is 3-Methoxy-4-(4-methyl-1H-imidazol-1-yl)benzaldehyde, belongs to imidazoles-derivatives compound, is considered to be a conventional heterocyclic compound, which is widely used in drug synthesis. The chemical synthesis route is as follows. Application In Synthesis of 3-Methoxy-4-(4-methyl-1H-imidazol-1-yl)benzaldehyde

A mixture of 3-methoxy-4-(4-methyl-1 H-imidazol-1-yl)benzaldehyde (1.22 g, 5.64 mmol), F3 (4.30 g), piperidine (1.4 mL), and ethanol (23 ml_) was heated to 85 C for 3 h. The resulting solution was absorbed onto silica gel (18 g) and chromatographed (MeOH/aq. NH4OH/CH2CI2) to afford slightly impure compound F4 (3.59 g) as a brown foam. MS (M+1 )+ m/z calcd for C40H42FN4O3SSi+ = 705.3, found m/z = 705.4.

The synthetic route of 870837-18-6 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; SCHERING CORPORATION; WO2009/20580; (2009); A1;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Electric Literature of 870837-18-6, 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. 870837-18-6 name is 3-Methoxy-4-(4-methyl-1H-imidazol-1-yl)benzaldehyde, 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.

Synthesis of (Z)-(6S*,9aR*)-6-(4-fluorophenyl)-3-[1-[3-methoxy-4-(4-methyl-1H-imidazol-1-yl)benzylidene]hexahydropyrido[2,1-c][1,4]oxazin-4-one Triethylamine (0.03 mL) was added to a solution of [(6R*,9aS*)-6-(4-fluorophenyl)-4-oxooctahydropyrido[2,1-c][1,4]oxazin-3-yl]triphenylphosphonium bromide (57 mg) and 3-methoxy-4-(4-methyl-1H-imidazol-1-yl)benzaldehyde (21 mg) in ethanol (5 mL), and the reaction solution was stirred at room temperature for two hours. The reaction solution was concentrated under reduced pressure. Then, the residue was purified by silica gel column chromatography (carrier: Chromatorex NH; elution solvent: heptane:ethyl acetate=1:1->ethyl acetate) to obtain 27 mg of the title compound. The property values of the compound are as follows. 1H-NMR (CDCl3) delta (ppm): 1.40-1.58(m,2H), 1.65-1.76(m,2H), 2.18-2.25(m,2H), 2.31(s,3H), 3.85(s,3H), 4.07(q,J=10.8 Hz,1H), 4.07-4.15(m,1H), 4.34(dd,J=10.8,2.4 Hz,1H), 5.38(t,J=4.0 Hz,1H), 6.82(s,1H), 6.92(brs,1H), 7.02(t, J=8.4 Hz,2H), 7.20(d,J=8.0 Hz,1H), 7.22(dd,J=8.0,3.6 Hz,2H), 7.37(dd,J=8.0,1.2 Hz,1H), 7.39(d,J=1.2 Hz,1H), 7.74(d,J=1.2 Hz,1H).

At the same time, in my other blogs, there are other synthetic methods of this type of compound, 3-Methoxy-4-(4-methyl-1H-imidazol-1-yl)benzaldehyde, and friends who are interested can also refer to it.

Reference:
Patent; Eisai R&D Management Co., Ltd.; US2007/117798; (2007); A1;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Synthetic Route of 870837-18-6, In the chemical reaction process, reaction time, type of solvent, can easily affect the result of the reaction, thereby determining the yield and properties of the reaction product. An updated downstream synthesis route of 870837-18-6 as follows.

General procedure: A suspension of indolinone (0.3mmol), aldehyde (0.3mmol) and pyridine (30muL) in methanol (1mL) were heated under microwave irradiation at 100 C for 30 minutes. The reaction mixture was cooled to room temperature and the resulting precipitate was removed by filtration, carefully washed with methanol and dried in vacuo. When no precipitate was observed methanol was removed under vacuum and the residue was purified by silica gel chromatography to give the desired product.

According to the analysis of related databases, 870837-18-6, the application of this compound in the production field has become more and more popular.

Reference:
Article; Goering, Stefan; Taymans, Jean-Marc; Baekelandt, Veerle; Schmidt, Boris; Bioorganic and Medicinal Chemistry Letters; vol. 24; 19; (2014); p. 4630 – 4637;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Electric Literature of 870837-18-6,Some common heterocyclic compound, 870837-18-6, name is 3-Methoxy-4-(4-methyl-1H-imidazol-1-yl)benzaldehyde, molecular formula is C12H12N2O2, 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.

A tetrahydrofuran (20 mL) solution containing (1S,6R,9aR)-6-(4-chlorophenyl)-1-methyltetrahydro-[1,4]oxazino[3,4-c][1,4]oxazine-3,4-dione (685 mg) was cooled to -30 C. L-selectride (3.01 mL, 1.02 M tetrahydrofuran solution) was added dropwise, and stirring was continued for 2 hours at -20 C. to -30 C. 5 N sodium hydroxide solution (460 muL) was added to the reaction solution, and stirring was continued for 20 minutes at -20 C. to 0 C. Next, hydrogen peroxide solution (221 muL, 35% solution) was added, and stirring was continued for 20 minutes at 0 C. Sodium bisulfite (237 mg) was added, and after stirring at room temperature for 20 minutes, ethyl acetate and brine were added, and the organic layer was partitioned. The organic layer was dried over anhydrous magnesium sulfate, and the solvent was removed under a vacuum. Acetonitrile (19.4 mL) and triphenylphosphonium bromide (796 mg) was added to the residue, and the resultant was heated under reflux for 2 hours. The resultant was returned to room temperature, and 3-methoxy-4-(4-methyl-1H-imidazol-1-yl) benzaldehyde (543 mg) and triethylamine (633 muL) were added, and stirring was continued for 12 hours at room temperature. The solvent was removed under a vacuum, and ethyl acetate and brine were added, and the organic layer was partitioned. The organic layer was dried over anhydrous magnesium sulfate, and the solvent was removed under vacuum, and the residue was purified by silica gel column chromatography (carrier: Chromatrex NH, eluting solvent: hexane/ethyl acetate?ethyl acetate), and the title compound (640 mg) was obtained. The physical property values are as follows.ESI-MS; m/z 480 [M++H]. 1H-NMR (CDCl3) delta (ppm): 1.48 (d, J=6.4 Hz, 3H), 2.29 (s, 3H), 3.51 (dd, J=11.2, 11.2 Hz, 1H), 3.74 (dd, J=12.0, 8.0 Hz, 1H), 3.83 (s, 3H), 3.99 (dd, J=11.2, 4.0 Hz, 1H), 4.18 (dd, J=12.4, 4.8 Hz, 1H), 4.41 (ddd, J=11.6, 4.0, 4.0 Hz, 1H), 4.50-4.56 (m, 1H), 4, 86 (dd, J=8.0, 4.4 Hz, 1H), 7.82 (s, 1H), 6.91 (s, 1H), 7.18 (d, J=8.8 Hz, 1H), 7.32-7.35 (m, 6H), 7.69 (s, 1H).

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 3-Methoxy-4-(4-methyl-1H-imidazol-1-yl)benzaldehyde, its application will become more common.

Reference:
Patent; KIMURA, Teiji; Kawano, Koki; Doi, Eriko; Kitazawa, Noritaka; Takaishi, Mamoru; Ito, Koichi; Kaneko, Toshihiko; Sasaki, Takeo; Sato, Nobuaki; Miyagawa, Takehiko; Hagiwara, Hiroaki; US2008/207900; (2008); A1;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Reference of 870837-18-6,Some common heterocyclic compound, 870837-18-6, name is 3-Methoxy-4-(4-methyl-1H-imidazol-1-yl)benzaldehyde, molecular formula is C12H12N2O2, 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.

A solution of t-BuOK (1 M in THF, 0.80ml) was added dropwise to a stirred mixture of B6 (R7 = p-SF5-Phenyl and R6 = carboethoxyl, 0.41 g) and A1(157 mg, R10 = 3-MeO-Phenyl, R9 = 4-(4-Methyl-imidazol-1 -yl) and R8 = H) in 10 ml_ of anhydrous THF at -70eC under nitrogen atmosphere. The reaction mixture was stirred between -709C and -30QC until starting material were consumed. The reaction was quenched with iced brine, and extracted with EtOAc. The organic phase was washed with aqueous NH4CI and brine, dried over anhydrous magnesium sulfate, filtered and solvent evaporated. The residue was purified by a flash silica gel column and eluted with DCM/MeOH to give 0.38g B7 (R7 = p-SF5-Phenyl, R6 = carboethoxyl, R10 = 3-MeO-Phenyl, R9 = 4-(4-Methyl-imidazol- 1-yl)).

The synthetic route of 870837-18-6 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; SCHERING CORPORATION; XU, Ruo; CLADER, John, W.; WO2010/54064; (2010); A1;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem