Category: 39021-62-0

Application of 39021-62-0, These common heterocyclic compound, 39021-62-0, name is 1-Methyl-1H-imidazole-5-carbaldehyde, 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.

A mixture of 3-methyl-3H-imidazole-4-carbaldehyde (1.40 g, 12.7 mmol), (R)-(+)-2- methyl-2-propanesulfinamide (2.36 g, 19.1 mmol) and titanium (IV) isopropoxide (11.2 mL, 38.1 mmol) in TEtaF (10 mL) was warmed at reflux for 18 hours. The mixture was cooled to room temperature, and diluted with ether (100 mL) and water (6 mL). The mixture was stirred for 10 minutes and then dried over sodium sulfate, filtered and concentrated. The crude product was purified by silica gel chromatography eluting with a gradient of 0-100% EtOAc in hexanes, and concentrated to afford 2-methyl-propane-2- sulfinic acid [l-(3-methyl-3H-imidazol-4-yl)-prop-(£)-ylidene] -amide as a yellow solid.

Statistics shows that 1-Methyl-1H-imidazole-5-carbaldehyde is playing an increasingly important role. we look forward to future research findings about 39021-62-0.

Reference:
Patent; BOEHRINGER INGELHEIM INTERNATIONAL GMBH; COOK, Brian Nicholas; DISALVO, Darren; FANDRICK, Daniel Robert; HARCKEN, Christian; KUZMICH, Daniel; LEE, Thomas Wai-Ho; LIU, Pingrong; LORD, John; MAO, Can; NEU, Jochen; RAUDENBUSH, Brian Christopher; RAZAVI, Hossein; REEVES, Jonathan Timothy; SONG, Jinhua, J.; SWINAMER, Alan, David; TAN, Zhulin; WO2010/36632; (2010); A1;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Some common heterocyclic compound, 39021-62-0, name is 1-Methyl-1H-imidazole-5-carbaldehyde, molecular formula is C5H6N2O, 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. Recommanded Product: 39021-62-0

To a cloudy mixture of 6-bromo-2,4-dichloro-3-phenylquinoline (290.5 mg, 0.823 mmol, Intermediate 1: step c) and 1-methyl-1H-imidazole-5-carbaldehyde (90.6 mg, 0.823 mmol) in THF (8 mL) under nitrogen at -78 C. was added n-BuLi (1.6 M in hexane, 0.643 mL, 1.03 mmol) dropwise. The resulting solution was stirred at -78 C. for 3 hours, then was warmed to 0 C. for 15 minutes before addition of saturated aqueous NH4Cl to quench. The mixture was diluted with water and was extracted three times with EtOAc. The organic phase was dried (Na2SO4), filtered, and concentrated. The residue was purified by flash column chromatography (silica gel, 0-6% MeOH-DCM) to afford the title compound as a white powder.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 39021-62-0, its application will become more common.

Reference:
Patent; Janssen Pharmaceutica NV; Leonard, Kristi A.; Barbay, Kent; Edwards, James P.; Kreutter, Kevin D.; Kummer, David A.; Maharoof, Umar; Nishimura, Rachel; Urbanski, Maud; Venkatesan, Hariharan; Wang, Aihua; Wolin, Ronald L.; Woods, Craig R.; Fourie, Anne; Xue, Xiaohua; Cummings, Maxwell D.; (53 pag.)US2017/258782; (2017); A1;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Related Products of 39021-62-0,Some common heterocyclic compound, 39021-62-0, name is 1-Methyl-1H-imidazole-5-carbaldehyde, molecular formula is C5H6N2O, 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 solution of l-methyl-lH-imidazole-5-carboxaldehyde (500 mg, 4.45 mmol) in tetrahydrofuran (5 ml), 4-fluorophenylmagnesium bromide (1.0 M solution in tetrahydrofuran, 6.20 ml, 6.20 mmol) was added dropwise at 0 C over 5 minutes andstirred at 0 C for 30 minutes. The reaction was quenched with saturated aqueousNH4CI solution (30 ml), extracted with chloroform (50 ml x 3), dried (MgSO4) and evaporated under reduced pressure. The residue was purified by column chromatography on silica (ethyl acetate/methanol, 100/0-90/10) to give (4- fluorophenyl)(l -methyl- lH-imidazol-5-yl)methanol (443 mg, 48 %, colorless solid).

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

Reference:
Patent; SHIONOGI & CO., LTD.; EURO-CELTIQUE S.A; WO2008/8398; (2008); A2;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

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. 39021-62-0, name is 1-Methyl-1H-imidazole-5-carbaldehyde belongs to imidazoles-derivatives compound, it is a common compound, a new synthetic route is introduced below. Formula: C5H6N2O

3-Methyl-3H-imidazole-4- carbaldehyde (10) (4.0 g, 15 mmol) was suspended in THF (10 mL), and the resulting solution cooled to 0C. Lithium aluminum hydride (300 mg, 32.0 mmol) was added portion wise over 10 minutes, and the resulting suspension stirred for a further 10 minutes. Excess hydride was quenched by the addition of solid Na2SO4-IOH2O (~1 g) in large portions with vigorous stirring. Additional THF was added as needed to prevent solidification of the resulting slurry. The resulting suspension was stirred for a further hour, and then filtered to remove the sulfate salts, and the solvent was removed under reduced pressure to provide the title alcohol (1.3 g, 80%). 1H NMR (400 MHz, ^-MeOH): delta 7.57 (s, IH), 6.89 (s, IH), 4.58 (s, 2H), 372 (s, 3H). 13C NMR (100 MHz, ^-MeOH): delta 140.1, 132.7, 128.1, 31.9, 31.0.

The synthetic route of 39021-62-0 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; YALE UNIVERSITY; UNIVERSITY OF SOUTH FLORIDA; UNIVERSITY OF WASHINGTON; SEBTI, Said; WO2006/102159; (2006); A2;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Application of 39021-62-0, 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 39021-62-0 as follows.

COMPOUND 12.1. 51: 4-{6,7-DIMETHOXY-3-METHYL-2-[(4-METHYL-1H- IMIDAZOL-5-YL) METHYL1-l, 2, 3, 4-TETRAHYDROISOQUINOLIN-l-YL}-N*N- DIETHYLBENZAMIDE; Methyl-imidazole-5-carboxyaldehyde (55.9 mg, 0.51 mmol) was added to a solution of INTERMEDIATE 5.1. 14 (97 mg, 0.25 mmol) in 1,2-dichloroethane (4 mL) and the reaction mixture stirred at room temperature for 10 min. Sodium triacetoxyborohydride (378 mg, 1.78 mmol) was added followed by N-methyl-2- pyrrolidinone (320 uL) and the reaction mixture stirred at RT for 22 h. 1 N NaOH (2.5 mL) was added and the organic solvent removed in vacuo. The residue was extracted with DCM (3 x 10 mL) and the organic layer washed with water (10 mL). The organic layer was concentrated in vacuo and the residue purified by repeated flash chromatography on Si02 column (EtOAc: MeOH 95: 5) to afford COMPOUND 12.1. 51 as an oil (85.9 mg, 71%). 1H NMR (500 MHz, CDC13) : 6 1.10 (br s, 3H), 1.24 (br s, 3H), 1.45 (d, J6. 5 Hz, 3H), 2.30 (s, 3H), 3.15-3. 30 (m, 4H), 3.53 (m, 2H), 3.64 (s, 3H), 3.90 (s, 1H), 3.91 (s, 3H), 4. 49 (d, J 14.5 Hz, 1H), 4.62 (d, J 14.5 Hz, 1H), 5.59 (s, 1H), 6.26 (s, 1H), 6.74 (s, 1H), 7.21-7. 31 (m, 4H), 8.24 (s, 1H) ; 13C NMR (125 MHz, CDC13) : 8 9.28, 12.82, 14.11, 19.11, 32.83, 40.13, 43. 83, 46.93, 56.19, 56.25, 59.95, 67.61, 111. 10, 111. 24,119. 36,121. 66,123. 61, 127. 29,129. 60,132. 72, 134.35, 137.08, 137.66, 149.15, 150.07, 170.73 ; (+) LRESIMS m/z 477. 39 [M+H] +.

According to the analysis of related databases, 39021-62-0, the application of this compound in the production field has become more and more popular.

Reference:
Patent; ASTRAZENECA AB; WO2005/61484; (2005); A1;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

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. 39021-62-0, name is 1-Methyl-1H-imidazole-5-carbaldehyde, This compound has unique chemical properties. The synthetic route is as follows., Recommanded Product: 39021-62-0

n-BuLi (2.5 M in hexanes, 0.52 mL, 1.3 mmol) was added dropwise to a solution of 6-bromo-2,4-dichloro-3-phenylquinoline (353 mg, 1 mmol, Intermediate 1: step c) in dry THF (10 mL) in a 100 mL three necked round bottomed flask at -78 C. under N2. Stirring was continued for 30 minutes then a solution of 1-methyl-1H-imidazole-5-carbaldehyde (110 mg, 1 mmol) in dry THF (10 mL) was added at -78 C. The cooling bath was removed and the mixture was gradually warmed up to room temperature and stirred for 2 hours. The mixture was quenched by adding H2O (10 mL) and then extracted with CH2Cl2 (2*50 mL). The combined organic phase was dried over Na2SO4, concentrated to dryness and purified by prep-TLC (developed by CH3OH/CH2Cl2 1:5) to afford the title compound as a white solid. MS (ESI): 384.1 [M+H]+. 1H NMR (300 MHz, CD3OD) delta ppm 8.45 (s, 1H), 7.94 (dd, J=42.2, 8.0 Hz, 2H), 7.73-7.24 (m, 6H), 6.56 (s, 1H), 6.16 (s, 1H), 3.70 (s, 3H).

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 39021-62-0.

Reference:
Patent; JANSSEN PHARMACEUTICA NV; LEONARD, KRISTI A.; BARBAY, KENT; EDWARDS, JAMES P.; KREUTTER, KEVIN D.; KUMMER, DAVID A.; MAHAROOF, UMAR; NISHIMURA, RACHEL; URBANSKI, MAUD; VENKATESAN, HARIHARAN; WANG, AIHUA; WOLIN, RONALD L.; WOODS, CRAIG R.; FOURIE, ANNE; XUE, XIAOHUA; CUMMINGS, MAXWELL D.; US2015/105372; (2015); A1;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Adding a certain compound to certain chemical reactions, such as: 39021-62-0, name is 1-Methyl-1H-imidazole-5-carbaldehyde, belongs to imidazoles-derivatives 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 39021-62-0, COA of Formula: C5H6N2O

A solution of isopropylmagnesium chloride/lithium chloride complex (1.3 M in THF, 10.6 mL, 13.8 mmol) was added dropwise by syringe to a solution of 4-bromo-2-(trifluoromethyl)pyridine (3.12 g, 13.8 mmol) in dry THF (50 mL) at 0 C. After 30 minutes, a solution of 1-methyl-1H-imidazole-5-carbaldehyde (1.38 g, 12.5 mmol) in THF (28.5 mL) was added to the Grignard solution by syringe at 0 C. The reaction mixture was warmed to room temperature over 2 hours after which it was quenched with saturated aqueous ammonium chloride solution. The mixture was partitioned between water and ethyl acetate. The separated aqueous phase was further extracted with ethyl acetate and washed with saturated aqueous NaCl solution. The organic phase was dried (MgSO4), filtered, and concentrated. The crude product was purified by flash column chromatography (silica gel, 0-10% MeOH-DCM) to provide the title compound.

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, 1-Methyl-1H-imidazole-5-carbaldehyde, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; Janssen Pharmaceutica NV; Leonard, Kristi A.; Barbay, Kent; Edwards, James P.; Kreutter, Kevin D.; Kummer, David A.; Maharoof, Umar; Nishimura, Rachel; Urbanski, Maud; Venkatesan, Hariharan; Wang, Aihua; Wolin, Ronald L.; Woods, Craig R.; Fourie, Anne; Xue, Xiaohua; Cummings, Maxwell D.; Jones, William Moore; Goldberg, Steven; US2015/105366; (2015); A1;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

These common heterocyclic compound, 39021-62-0, name is 1-Methyl-1H-imidazole-5-carbaldehyde, 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. Recommanded Product: 39021-62-0

3-Methyl-3H-imidazole-4- carbaldehyde (10) (4.0 g, 15 mmol) was suspended in THF (10 mL), and the resulting solution cooled to 0°C. Lithium aluminum hydride (300 mg, 32.0 mmol) was added portion wise over 10 minutes, and the resulting suspension stirred for a further 10 minutes. Excess hydride was quenched by the addition of solid Na2SO4-IOH2O (~1 g) in large portions with vigorous stirring. Additional THF was added as needed to prevent solidification of the resulting slurry. The resulting suspension was stirred for a further hour, and then filtered to remove the sulfate salts, and the solvent was removed under reduced pressure to provide the title alcohol (1.3 g, 80percent). 1H NMR (400 MHz, ^-MeOH): delta 7.57 (s, IH), 6.89 (s, IH), 4.58 (s, 2H), 372 (s, 3H). 13C NMR (100 MHz, ^-MeOH): delta 140.1, 132.7, 128.1, 31.9, 31.0.

The synthetic route of 1-Methyl-1H-imidazole-5-carbaldehyde has been constantly updated, and we look forward to future research findings.

Reference:
Patent; YALE UNIVERSITY; UNIVERSITY OF SOUTH FLORIDA; UNIVERSITY OF WASHINGTON; SEBTI, Said; WO2006/102159; (2006); A2;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Application of 39021-62-0, These common heterocyclic compound, 39021-62-0, name is 1-Methyl-1H-imidazole-5-carbaldehyde, 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 7: (3-(4-1H-Pyrazol-1-yl)benzyl)-2,4-dichloroquinolin-6-yl)(1-methyl-1H-imidzol-5-yl)methanolA solution of n-BuLi (2.5 M in hexanes, 0.4 mL, 1 mmol) was added dropwise by syringe to a solution of 3-(4-(1H-pyrazol-1-yl)benzyl)-6-bromo-2,4-dichloroquinoline (0.500 g, 1.15 mmol, Intermediate 4: step c) in dry THF (13.5 mL) in a dry ice-acetone bath. After 1-2 minutes, a solution of 1-methyl-1H-imidazole-5-carbaldehyde (141.6 mg, 1.286 mmol) in dry THF (0.2 mL) was added dropwise. The reaction was stirred for 5 minutes and moved to an ice bath for 1.5 hours before allowing the reaction to warm to room temperature. The reaction was quenched with saturated aqueous ammonium chloride. The mixture was partitioned between water and dichloromethane. The separated aqueous phase was further extracted with dichloromethane. The combined organic phase was dried (Na2SO4), filtered, and concentrated. Crude product was purified by flash column chromatography (silica gel, 0-10% MeOH-DCM), followed by reverse-phase chromatography (acetonitriIe H2O + 0.05% TFA). Product fractions were basified with saturated aqueous sodium bicarbonate and extracted with DCM, before being dried (Na2SO4), filtered, and concentrated to provide the title compound. 1H NMR (400 MHz, CD3OD) delta ppm 8.43 (s, 1H), 8.12 (d, J = 2.4 Hz, 1H), 7.96 (dd, J = 8.7, 3.8 Hz, 1H), 7.83 (dd, J = 8.7, 1.6 Hz, 1H), 7.66 (dd, J = 9.6, 2.2 Hz, 1H), 7.62 (d, J = 8.8 Hz, 3H), 7.30 (dd, J = 12.9, 6.5 Hz, 2H), 6.56 (s, 1H), 6.48 (t, J = 2.1 Hz, 1H), 6.14 (s, I H), 4.57 (d. J = 6.1 Hz, 2H), 3.69 (s, 3H); MS m/e 464.1 [M+H]+

Statistics shows that 1-Methyl-1H-imidazole-5-carbaldehyde is playing an increasingly important role. we look forward to future research findings about 39021-62-0.

Reference:
Patent; JANSSEN PHARMACEUTICA NV; LEONARD, Kristi, A.; BARBAY, Kent; EDWARDS, James, P.; KREUTTER, Kevin, D.; KUMMER, David, A.; MAHAROOF, Umar; NISHIMURA, Rachel; URBANSKI, Maud; VENKATESAN, Hariharan; WANG, Aihua; WOLIN, Ronald, L.; WOODS, Craig, R.; FOURIE, Anne; XUE, Xiaohua; CUMMINGS, Maxwell, D.; WO2015/57206; (2015); A1;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Adding a certain compound to certain chemical reactions, such as: 39021-62-0, name is 1-Methyl-1H-imidazole-5-carbaldehyde, belongs to imidazoles-derivatives 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 39021-62-0, Product Details of 39021-62-0

To a flask containing 6-bromo-4-chloro-2-methoxy-3-(4-(trifluoromethyl)benzyl)quinoline (3.0 g, 6.97 mmol, Intermediate 5: step d) was added THF (40 mL) and the solution was cooled to -70 C. n-BuLi (2.5 M in hexanes, 2.8 mL, 7 mmol) was then added dropwise. After 2 minutes, 1-methyl-1H-imidazole-5-carbaldehyde (1.2 g, 9 mmol, in 10 mL THF) was introduced. After 15 minutes, the dry-ice bath was replaced with a 0 C. bath. After 35 minutes the reaction mixture was quenched with aqueous NH4Cl solution and the aqueous portion was extracted with EtOAc:THF (10:2, 5*50 mL). The combined organics were washed with brine, dried over Na2SO4, filtered and concentrated to dryness. Chromatography on silica gel (30% acetone-DCM increasing to 5% MeOH) provided the title compound.

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, 1-Methyl-1H-imidazole-5-carbaldehyde, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; Janssen Pharmaceutica NV; Leonard, Kristi A.; Barbay, Kent; Edwards, James P.; Kreutter, Kevin D.; Kummer, David A.; Maharoof, Umar; Nishimura, Rachel; Urbanski, Maud; Venkatesan, Hariharan; Wang, Aihua; Wolin, Ronald L.; Woods, Craig R.; Fourie, Anne; Xue, Xiaohua; Cummings, Maxwell D.; (53 pag.)US2017/258782; (2017); A1;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem