Tag: M.W=100-200

Reference 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.

To a flask containing 6-bromo-4-chloro-2-methoxy-3-(4-(trifluoromethyl)benzyl)quinoline (Intermediate 12: step d, 3.0 g, 6.97 mmol) 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 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 to give the title compound.

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; 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

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. 17325-26-7, name is Methyl 1H-imidazole-5-carboxylate, A new synthetic method of this compound is introduced below., Quality Control of Methyl 1H-imidazole-5-carboxylate

c) 3-{[(2-Bromo-benzyl)-methyl-carbamoyl]-methyl}-3H-imidazole-4-carboxylic acid methyl ester; To a solution of N-(2-bromo-benzyl)-2-hydroxy-N-methyl-acetamide (1.02 g, 3.95 mmol) in THF (40 mL) at 0 0C is added triphenylphosphine (1.15 g, 4.36 mmol), methyl 4- imidazolecarboxylate (CASNo. 17325-26-7, 0.50 g, 3.96 mmol) and diisopropyl azodicarboxylate ( 0.85 mL, 4.36 mmol). The reaction is permitted to warm to room temperature and allowed to stir 18 hours. The reaction is then adsorbed directly onto silica gel and submitted to silica gel flash chromatography (diethylamine-methanol- dichloromethane, 1 :3:96) to provide 3-{[(2-bomo-benzyl)-methyl-carbamoyl]-methyl}-3H- imidazole-4-carboxylic acid methyl ester; MS: (ESI) m/z 366.2, 368.2 (M+H)+.

The synthetic route of 17325-26-7 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; NOVARTIS AG; WO2008/76336; (2008); A2;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

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. 5465-29-2, name is 2-Propylbenzimidazole, A new synthetic method of this compound is introduced below., Quality Control of 2-Propylbenzimidazole

2-Propyl-benzimidazole (0.30 g, 1.87 mmol) was dissolved in acetonitrile (7 mL), potassium hydroxide (0.17 g, 3.03 mmol) was added, and the mixture was refluxed for 30 min. 2-(Bromomethyl)naphthalene (0.42 g, 1.90 mmol) was added and the mixture was refluxed overnight.

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; Shelton, Kerri L.; DeBord, Michael A.; Wagers, Patrick O.; Southerland, Marie R.; Williams, Travis M.; Robishaw, Nikki K.; Shriver, Leah P.; Tessier, Claire A.; Panzner, Matthew J.; Youngs, Wiley J.; Bioorganic and Medicinal Chemistry; vol. 25; 1; (2017); p. 421 – 439;,
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. 705-09-9, name is 2-(Difluoromethyl)-1H-benzo[d]imidazole, This compound has unique chemical properties. The synthetic route is as follows., Formula: C8H6F2N2

To a stirred solution of 3-(4,6-dichloro-1,3,5-triazine-2,4-diyl)(8-oxa-3-azabicyclo[3.2.1]octane) (2.61 g, 10 mmol) in acetone/ice, morpholine (900 mg, 12 mmol) and triethylamine (5 ml) was added. The reaction mixture was stirred at room temperature for 3 hours. Separated white solid was filtered and washed with water. The crude product obtained was pure enough and taken to next step without purification. Treatment of the mixture (270 mg. 0.87 mmol) with 2-(difluoromethyl)-1H-benzo[d]imidazole (146 mg, 0.87 mmol) and K2CO3 (967 mg, 7 mmol) in DMF (2.5 mL) for 18 hours gave 2-(difluoromethyl)-1-[4-morpholin-4-yl-6-(8-oxa-3-azabicyclo[3.2.1]oct-3-yl)-1,3,5-triazin-2-yl]-1H-benzimidazole after purification by HPLC. (M+H) 445.

According to the analysis of related databases, 705-09-9, the application of this compound in the production field has become more and more popular.

Reference:
Patent; WYETH LLC; VENKATESAN, Aranapakam Mudumbai; CHEN, Zecheng; DEHNHARDT, Christoph Martin; DOS SANTOS, Osvaldo; DELOS SANTOS, Efren Guillermo; ZASK, Arie; VERHEIJEN, Jeroen Cunera; KAPLAN, Joshua Aaron; RICHARD, David James; AYRAL-KALOUSTIAN, Semiramis; MANSOUR, Tarek Suhayl; GOPALSAMY, Ariamala; CURRAN, Kevin Joseph; SHI, Mengxiao; (113 pag.)US2017/119778; (2017); A1;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Reference of 118469-15-1, A common heterocyclic compound, 118469-15-1, name is 5-Fluoro-2-methyl-1H-benzo[d]imidazole, molecular formula is C8H7FN2, 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.

(0621) A mixture of 4-(bromomethyl)-3-fluorobenzonitrile (499 mg, 2.33 mmol) and 5-fluoro-2- methyl-1H-benzo[d]imidazole (350 mg, 2.33 mmol) in DMF (15 mL) was stirred at 16 C for 16 h. The mixture was washed with water (50 mL) and extracted with EtOAc (3 x 30 mL). The collected organic layers were washed with brine (30 mL) and dried over anhydrous Na2SO4. The mixure was filtered and the filtrate was concentrated to get the crude product. The crude product was purified by reverse-phase Prep-HPLC (preparative HPLC on a GILSON 281 instrument fitted with Phenomenex Synergi C18 250×21.2mmx4um using water and acetonitrile as the eluents. Mobile phase A: water, mobile phase B: acetonitrile (containing: 0.1%TFA-ACN). Gradient: 35-65%, 0-10 min; 100% B, 10.5-12.5min; 5% B, 13-15min) to give 3-fluoro-4-((5- fluoro-2-methyl-1H-benzo[d]imidazol-1-yl)methyl)benzonitrile as an oil. ESI-MS m/z [M + H]+ : 284.0.

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; MERCK SHARP & DOHME CORP.; WALJI, Abbas; BERGER, Richard; STUMP, Craig, A.; SCHLEGEL, Kelly Ann, S.; MULHEARN, James, J.; GRESHOCK, Thomas, J.; WANG, Deping; FRALEY, Mark, E.; JONES, Kristen, G.; (273 pag.)WO2017/222951; (2017); A1;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Electric Literature of 934-22-5, These common heterocyclic compound, 934-22-5, name is 6-Aminobenzimidazole, 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.

General procedure: HATU (60 mg, 0.16 mmol) was added to a solution of DIPEA(0.069 ml, 0.39 mmol), 1H-indazole-5-amine (26 mg, 0.2 mmol) and 9a(33 mg, 0.13 mmol) in DMF (5 ml) at room temperature. The mixturewas stirred at room temperature overnight. The reaction was quenchedwith sat. aq. NaHCO3 at room temperature and extracted with AcOEt.The organic layer was separated, washed with water and sat. aq. NaCl,passed through a pad of NH silica gel (eluent: AcOEt). The residue waswashed with AcOEt to afford 1c (33 mg, 68%) as a white solid.

The synthetic route of 934-22-5 has been constantly updated, and we look forward to future research findings.

Reference:
Article; Mizojiri, Ryo; Nii, Noriyuki; Asano, Moriteru; Sasaki, Masako; Satoh, Yoshihiko; Yamamoto, Yukiko; Sumi, Hiroyuki; Maezaki, Hironobu; Bioorganic and Medicinal Chemistry; vol. 27; 12; (2019); p. 2521 – 2530;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Application of 104619-51-4, These common heterocyclic compound, 104619-51-4, name is Di(1H-imidazol-1-yl)methanimine, 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 4-[3-tert-Butylsulfanyl-2-(2,2-dimethyl-propyl)-5-(pyridin-2-ylmethoxy)-indol-l- ylmethylj-benzoic acid hydrazide (0.05g, O. lOmmol) in DMF (lmL) was added C-(Di-imidazol-l- yl)-methyleneamine (0.08g, 0.50mmol), and the reaction was heated at 85C for 3 hours. The mixture was cooled to room temperature and partitioned between water and EtOAc. The aqueous layer was extracted with EtOAc, and the combined organic layers were dried over MgS04, filtered, and concentrated. The residue was purified on silica gel (EtOAc:hexane gradient) to give the desired product.

The synthetic route of 104619-51-4 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; AUTOIMMUNE PHARMA LLC; BENISON, Jeffrey; (157 pag.)WO2018/152405; (2018); A1;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Related Products of 53710-78-4, 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. 53710-78-4, name is 1-(3-Chloropropyl)-1H-imidazole belongs to imidazoles-derivatives compound, it is a common compound, a new synthetic route is introduced below.

General procedure: 60% NaH (9.6mg, 0.24mmol) was added to a solution of 5a (100mg, 0.24mmol) in dry DMF (10mL) at room temperature. After stirring for 30min, 1-(3-chloropropyl)-1H-imidazole (52mg, 0.36mmol) was added and the mixture was then stirred for 5h at 80C. After cooling, the mixture was poured into cold water (200mL) and extracted with EtOAc (3¡Á50mL). The combined organic phase was washed with brine (3¡Á150mL), dried over Na2SO4 and concentrated in vacuo. The residue was purified by flash column chromatography on silica gel using dichloromethane/ 20 methanol/triethylamine (120:4:1, v/v/v) as eluent to afford 64.4mg (51.0%) 6a as a red solid.

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-(3-Chloropropyl)-1H-imidazole, other downstream synthetic routes, hurry up and to see.

Reference:
Article; Liu, Xiaoqi; Hu, Yuanyuan; Gao, Anhui; Xu, Meng; Gao, Lixin; Xu, Lei; Zhou, Yubo; Gao, Jianrong; Ye, Qing; Li, Jia; Bioorganic and Medicinal Chemistry; vol. 27; 4; (2019); p. 589 – 603;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Reference of 13750-62-4,Some common heterocyclic compound, 13750-62-4, name is 1-Benzyl-2-methyl-1H-imidazole, molecular formula is C11H12N2, 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: 1-Benzyl-2-methylimidazole (0.32 cm3, ?2 mmol) was dissolved in acetonitrile (10 cm3) and then slowly added to warm solution of PdCl2 (0.18 g, 1 mmol) (in the synthesis of thiocyanate complex the NH4SCN (0.15 g, 2 mmol) was added) in acetonitrile (30 cm3). The mixture was refluxed for about 2 h and after the time the reaction solution was filtered and yellow single crystals were obtained by slow evaporation of the solvent. Yield: 88% for chloride complex (1) and 92% for thiocyanate analog (2).

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 1-Benzyl-2-methyl-1H-imidazole, its application will become more common.

Reference:
Article; Ma?ecki; Maro?; Polyhedron; vol. 50; 1; (2013); p. 452 – 460;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Related Products of 1003-21-0,Some common heterocyclic compound, 1003-21-0, name is 5-Bromo-1-methyl-1H-imidazole, molecular formula is C4H5BrN2, 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 flask containing 5-bromo-1-methyl-1H-imidazole (650 mg, 4.04 mmol) was added THF (10 mL) and the clear homogeneous solution was stirred at room temperature as iPrMgCl (2 M in diethylether, 2 mL, 4 mmol) was added. A whitish suspension resulted. The suspension was stirred at room temperature for 30 minutes, then a solution of 4-chloro-2-methoxy-3-(4-(trifluoromethyl)benzyl)quinolin-6-yl)(2,6-dimethylpyridin-3-yl)methanone (660 mg, 1.36 mmol, Intermediate 81: step b) in THF (5 mL) containing LaCl3-LiCl complex (0.5 M solution THF, 5 mL, 2.5 mmol) was added to the reaction mixture. The reaction mixture was stirred overnight at 35 C. After 14 hours, the reaction mixture was quenched with saturated aqueous NH4Cl solution. The aqueous portion was extracted with EtOAc (3*40 mL) and the combined organics were washed with brine and dried over MgSO4. The brine portion was back-extracted with DCM (3*40 mL) and dried over MgSO4. The organics were filtered and concentrated to dryness to afford a tan oil. The residue was purified by FCC (2% MeOH-DCM increasing to 10% MeOH) to provide the title compound as an off white solid. 1H NMR (500 MHz, CDCl3) delta 8.13 (d, J=2.0 Hz, 1H), 7.76 (d, J=8.7 Hz, 1H), 7.50 (d, J=8.2 Hz, 2H), 7.44-7.35 (m, 4H), 7.31 (d, J=11.4 Hz, 1H), 7.05 (d, J=8.0 Hz, 1H), 6.90 (d, J=8.0 Hz, 1H), 6.19 (s, 1H), 4.67 (s, 1H), 4.32 (s, 2H), 4.07 (s, 3H), 3.46 (s, 3H), 2.52 (s, 3H), 2.45-2.33 (m, 3H); MS (ESI): mass calcd. Chemical Formula: C30H26ClF3N4O2, Exact Mass: 566.2. m/z found 567.1 [M+H]+.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 5-Bromo-1-methyl-1H-imidazole, 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.; Jones, William Moore; Goldberg, Steven; US2015/105366; (2015); A1;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem