Month: August 2021

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 56248-10-3 as follows. SDS of cas: 56248-10-3

1 -(2-Hydroxypropyl)-4-Phenyl-1 H-imidazole-2-carbaldehyde In a closed vessel a slurry of 4-phenyl-1 H-imidazole-2-carbaldehyde (200 mg, 1.16 mmol) and sodium carbonate (60 mg, 0.6 mmol) in ethanol (4 mL) was treated with propylene oxide (170 muL, 2.4 mmol) and heated at 1000C for 3 h. The cooled solution was filtered and the solids washed with DCM. The volatiles were removed in vacuo to yield the crude title compound which was used without further purification (250 mg, 63%). LC-MS: m/z = 231.5 (MH+), tR = 0.41 min, method A

According to the analysis of related databases, 56248-10-3, the application of this compound in the production field has become more and more popular.

Reference:
Patent; H. Lundbeck A/S; WO2009/152825; (2009); A1;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Some common heterocyclic compound, 1615-14-1, name is 2-(1H-Imidazol-1-yl)ethanol, molecular formula is C5H8N2O, 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. Product Details of 1615-14-1

In a reaction vessel, 1.12 g of N-hydroxyethyl imidazole and 50 mL of tetrahydrofuran are added, and 20 drops are added under stirring.1.55g per minuteIsocyanoethyl methacrylate,The reaction was carried out at 45 C. for 12 hours to complete the reaction of the isocyanate groups. Then, the reaction temperature was adjusted to 65 C., 2.49 g of bromdecane was added, and the reaction was carried out for 72 hours to produce a product, which was then purified to obtain an A2B12F monomer.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 1615-14-1, its application will become more common.

Reference:
Patent; South China University of Technology; He Jingwei; Liu Fang; Zhu Wenbin; (9 pag.)CN107162981; (2017); A;,
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. 3314-30-5, name is 1H-Benzo[d]imidazole-2-carbaldehyde, A new synthetic method of this compound is introduced below., Computed Properties of C8H6N2O

(1) 2 g of anhydrous magnesium sulfate was added to 4.38 g, 30 mmoLBenzimidazole formaldehyde and 3.63 g, 3.82 mL, 30 mmoLAlpha-methylbenzylamine in 40 mL of methanol,After heating for 3 hours,TLC spot board to monitor the two reaction raw materials basically disappeared,Filtration gave a white solid imine.

The synthetic route of 3314-30-5 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Suzhou Jinghong Biotechnology Co., Ltd; LIU, RUCHENG; PENG, SHAOPING; (6 pag.)CN104140417; (2016); B;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Electric Literature of 2963-77-1, 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. 2963-77-1, name is 4-(1H-Benzo[d]imidazol-2-yl)aniline belongs to imidazoles-derivatives compound, it is a common compound, a new synthetic route is introduced below.

General procedure: Using a typical scale of 1.0 mmol, 1 (1.0 mmol) was dissolved inanhydrous pyridine (2 mL) in a small round-bottomed flask and themixture was cooled to 40 C after which the acid chloride(2.0 mmol; purchased or prepared as above) in dry THF or DMF(2 mL) was added dropwise over 20 min with vigorous stirring.After 2-6 h the reaction mixturewaswarmed to room temperatureand the solvent reduced under pressure. Without using a work-upthe crude product was purified by column chromatography directlyusing MeOH/DCM mixtures (1:99 to 2:8).

The synthetic route of 4-(1H-Benzo[d]imidazol-2-yl)aniline has been constantly updated, and we look forward to future research findings.

Reference:
Article; L’abbate, Fabrizio P.; Mueller, Ronel; Openshaw, Roxanne; Combrinck, Jill M.; de Villiers, Katherine A.; Hunter, Roger; Egan, Timothy J.; European Journal of Medicinal Chemistry; vol. 159; (2018); p. 243 – 254;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Adding a certain compound to certain chemical reactions, such as: 1003-21-0, name is 5-Bromo-1-methyl-1H-imidazole, 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 1003-21-0, Safety of 5-Bromo-1-methyl-1H-imidazole

A solution of EtMgBr (3.0 M in diethylether, 15.1 mL, 45.2 mmol) was added dropwise, to a solution of 5-bromo-1-methyl-1H-imidazole (7.28 g, 45.2 mmol) in dry DCM (40 mL) at 0 C. and stirred for 10 minutes. The mixture was then stirred at room temperature for 30 minutes, cooled in an ice-brine bath and N-methoxy-N,3-dimethyl-4-nitrobenzamide (8.45 g, 37.7 mmol, Intermediate 14: step a) dissolved in 22 mL of DCM was added dropwise. A dark brown solid mass formed. The ice bath was removed and mixture stirred at room temperature for 18 hours. Water was added to the suspension followed by 6 M aqueous HCl slowly to neutralize the mixture (pH=6-7). More DCM was added and layers separated. The organic layer was dried over MgSO4, filtered and concentrated. Et2O was added, the slurry sonicated, and precipitates were filtered and dried to provide the title compound.

At the same time, in my other blogs, there are other synthetic methods of this type of compound, 5-Bromo-1-methyl-1H-imidazole, and friends who are interested can also refer to it.

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

Adding a certain compound to certain chemical reactions, such as: 3314-30-5, name is 1H-Benzo[d]imidazole-2-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 3314-30-5, Formula: C8H6N2O

General procedure: The equimolar aldehyde 3a?3d (1 mmol) and substituted phenylhydrazine 5a?5s (1 mmol) weremixed in CH3OH (10 mL) and stirred at room temperature [18]. After about 2 h, the reaction wascompleted (monitored by TLC). The residual crude was purified via silica gel column chromatogramusing a gradient mixture of petroleum ether and ethyl acetate to obtain the pure target compounds6a?6ai (in 45?80percent yield).

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:
Article; Wang, Xing; Chen, Yong-Fei; Yan, Wei; Cao, Ling-Ling; Ye, Yong-Hao; Molecules; vol. 21; 11; (2016);,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Electric Literature of 96797-15-8, 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. 96797-15-8, name is 4-Iodo-1-trityl-1H-imidazole belongs to imidazoles-derivatives compound, it is a common compound, a new synthetic route is introduced below.

A suspensionof 4 (3.0 g, 6.9 mmol), the appropriate 2-formyl boronic acid(1.6 g, 10.7 mmol) and K3PO4 (4.4 g, 20.8 mmol) in DMF (30 mL) andwater (6 mL) was purged with nitrogen for 5 min, followed by theaddition of Pd(PPh3)4 (0.6 g, 0.5 mmol) and the mixturewas purgedwith nitrogen for another 5 min. The reaction mixture was stirredat 90 C for 16 h under an atmosphere of N2. The solution wasallowed to cool and was filtered through a plug of celite. Themixture was diluted with water (50 mL) and was extracted withethyl acetate to afford the crude product which was purified byflash column chromatography on silica gel to yield 6 as a white solid(1.9 g, 66.7%). Mp 147e149 C. 1H NMR (300 MHz, Chloroform-d)d(ppm) 7.97 (dd, J 7.8, 1.4 Hz, 1H), 7.72e7.54 (m, 3H), 7.38 (h,J 3.2 Hz,11H), 7.25e7.19 (m, 6H), 7.07 (d, J 1.3 Hz, 1H). MS (EI) m/z 415.2 [MH].

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, 4-Iodo-1-trityl-1H-imidazole, other downstream synthetic routes, hurry up and to see.

Reference:
Article; Zou, Yi; Wang, Fang; Wang, Yan; Sun, Qirui; Hu, Yue; Li, Yuezhen; Liu, Wen; Guo, Wenjie; Huang, Zhangjian; Zhang, Yihua; Xu, Qiang; Lai, Yisheng; European Journal of Medicinal Chemistry; vol. 140; (2017); p. 293 – 304;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Application of 24155-42-8, A common heterocyclic compound, 24155-42-8, name is 1-(2,4-Dichlorophenyl)-2-(1H-imidazol-1-yl)ethanol, molecular formula is C11H10Cl2N2O, 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 4 2-(4-Chlorophenyl)-4-[[1-(2,4-dichlorophenyl)-2-(1H-imidazol-1-yl)ethoxy]methyl]thiazole, hydrochloride (1:1) Following the procedure of Example 1b, 4-chloromethyl-2-(4-chlorophenyl)thiazole (m.p. 66) is reacted with 1-(2,4-dichlorophenyl)-2-(1H-imidazol-1-yl)ethanol to yield the title compound, m.p. 108-110 C. (acetonitrile).

The synthetic route of 24155-42-8 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; E. R. Squibb & Sons, Inc.; US4307105; (1981); A;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Related Products of 4857-06-1,Some common heterocyclic compound, 4857-06-1, name is 2-Chloro-1H-benzo[d]imidazole, molecular formula is C7H5ClN2, 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.

Commercially available 2-chloro-1H-benzo[d]imidazole (250 mg, 1.64 mmol) was dissolved in DMF (4.7 mL), dimethylamine (50% aqueous solution, 0.50 mL, 4.92 mmol) was added, and the mixture was stirred with heating at 200C for 30 min in an Emrys Optimizer microwave synthesizer. Water was added to the mixture, and the precipitated crystals were collected by suction filtration to give N,N-dimethyl-1H-benzo[d]imidazole-2-amine (234 mg, 89%). ESIMS m/z: 162 (M + H)+; 1H NMR (270 MHz, DMSO-d6, delta): 3.03 (s, 6H), 6.79-6.97 (m, 2H), 7.07-7.20 (m, 2H), 11.17 (br 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 2-Chloro-1H-benzo[d]imidazole, its application will become more common.

Reference:
Patent; Kyowa Hakko Kirin Co., Ltd.; YAMAMOTO, Keisuke; TAMURA, Tomohiro; NAKAMURA, Rina; UENO, Kimihisa; HOSOE, Shintaro; EP2740730; (2014); A1;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Synthetic Route of 288-32-4, A common heterocyclic compound, 288-32-4, name is 1H-Imidazole, molecular formula is C3H4N2, 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: A mixture of p-fluorobenzaldehyde 1 (25.0 g, 0.200 mol) andappropriate amine 2a-g (0.300 mol) and anhydrous potassium carbonate(40.0 g) were mixed in DMF (300mL), after which catalyticamount of Aliquat 336 reagent was added. The mixture was thenrefluxed for 24 h at 100 C. The mixture was concentrated underlow pressure and left to cool. The mixture was then poured into icewater and left overnight. The formed solid was filtered, washed withwater and crystallized with methanol to yield compounds Ia-g. 4-(1H-imidazol-1-yl) benzaldehyde Ia Yield 92% as yellow crystals, mp 152 C, (as reported) [34,44].

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; Abdel-Atty, Mona M.; Farag, Nahla A.; Kassab, Shaymaa E.; Serya, Rabah A.T.; Abouzid, Khaled A.M.; Bioorganic Chemistry; vol. 57; (2014); p. 65 – 82;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem