Category: 760212-58-6

Electric Literature of 760212-58-6,Some common heterocyclic compound, 760212-58-6, name is 1-(4-Bromophenyl)-2-phenyl-1H-benzo[d]imidazole, molecular formula is C19H13BrN2, 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 Intermediate 5-D: In a 250ml three-necked round flask, added was Intermediate 5-C(11.5g, 0.03mol), and 120ml dried THF that underwent treatment with Na /Benzophenone. Liquid nitrogen was used to cool reaction to -78C. While stirring, slowly added dropwise 14.5ml of n-butyllithium (0.036mol, 2.5mol·L-1), and Triisopropyl borate 9.96ml (8.12g, 0.043mol). After the addition was completed, stirred to room temperature. Adding an appropriate amount of dilute hydrochloric acid, hydrolysis, extraction with ethyl acetate, the combined organic phases. The organic solvent was removed by rotary evaporation to give the crude product. After recrystallization from ethanol to give a white solid 7.23g, yield 76.8%.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 1-(4-Bromophenyl)-2-phenyl-1H-benzo[d]imidazole, its application will become more common.

Reference:
Patent; Kunshan Visionox Display Co., Ltd.; Tsinghua University; Beijing Weixinnuo Science And Technology Co., Ltd.; Qiu, Yong; Liu, Fei; Li, Yinkui; (36 pag.)CN102977129; (2016); B;,
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. 760212-58-6, name is 1-(4-Bromophenyl)-2-phenyl-1H-benzo[d]imidazole, This compound has unique chemical properties. The synthetic route is as follows., COA of Formula: C19H13BrN2

General procedure: A mixture of 1a (0.70 g , 2.0 mmol), bis(pinacolate)diborane (0.53 g, 2.1 mmol), l,l’-bis(diphenylphosphino)ferrocene]dichloropalladium (Pd(dppf)Cl2) (0.060g,0.08mmol), andanhydrous potassium acetate (0.393 g, 4.0 mmol) in 1,4-dioxane(20 mL) was heated at 80C under nitrogen for 12 h. After cooling to room temperature, the mixture was extracted with ethyl acetate (30 mL*3). The organic extracts were washed with water, brine, and then dried with anhydrous MgSO4. After filtration, the filtrate was pumped dry in vacuo. The crude residue was subjected to column chromatography by eluting with hexanes/EA (8:1) as the eluent to give a white solid (yield: 81%).

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 760212-58-6.

Electric Literature of 760212-58-6, These common heterocyclic compound, 760212-58-6, name is 1-(4-Bromophenyl)-2-phenyl-1H-benzo[d]imidazole, 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.

Subsequently, the following reagents and solvents were added into the reaction vessel.2.40 g (5.2 mmol, 1.1 eq) of 2-pinacolate-6,12-dinaphthylchrysene:Intermediate Compound M2: 1.66 g (4.7 mmol, 1.0 eq)Toluene: 75 mLSodium carbonate aqueous solution: 25 mL (3.0 eq)Then, while stirring the reaction solution, the following reagents were further added.Pd (PPh3) 4: 274 mg (0.24 mmol, 0.05 eq)Ethanol: 25 mLSubsequently, the reaction solution was stirred for 2 hours while heating and refluxing. After completion of the reaction, the reaction solution was cooled. Subsequently, liquid separation operation was performed using water, and the organic layer was recovered. Subsequently, the obtained organic layer was concentrated under reduced pressure. Thus, a crude product was obtained. Subsequently, the resulting crude product was purified by silica gel column chromatography (eluent: toluene / ethyl acetate = 10/1), and the separated solution was concentrated under reduced pressure. Thus, a solid was obtained. Then, the resulting solid was subjected to slurry cleaning with methanol, followed by filtration. Thus, 2.82 g of the exemplified compound A11 (yield: 86.8%, HPLC purity: 99.8%) was obtained.

The synthetic route of 760212-58-6 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Canon Co., Ltd; Eiwawaki, Hironobu; O.O, Rui Hiroki; Jisina, Yuko; Murachbaki, Masanori; Takahashi, Tetsuro; (23 pag.)KR101489992; (2015); B1;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Synthetic Route of 760212-58-6, A common heterocyclic compound, 760212-58-6, name is 1-(4-Bromophenyl)-2-phenyl-1H-benzo[d]imidazole, molecular formula is C19H13BrN2, 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.

In an argon atmosphere, 10 g (29 mmol) of 1-(4-bromophenyl)-phenyl-1H-benzimidazole were dissolved into 100 mL of dehydrated THF, and the temperature of the solution was cooled to -78 C. Then, 20 mL of n-butyllithium (in hexane, 1.6 mol/L) were dropped. After the mixture had been stirred at -78 C for 1 hour, the temperature of the mixture was increased to 0C. The temperature of the mixture was cooled to -78 C again, and 9.7 mL (87 mmol) of trimethoxyborane were dropped. The mixture was stirred at -78 C for 1 hour, and was then stirred at room temperature for 2 hours. 100 mL of 10-mass% hydrochloric acid were added, and the whole was stirred for 1 hour, followed by filtration. The organic layer of the filtrate was washed with a saturated sodium chloride solution and dried with magnesium sulfate. The solvent was distilled off under reduced pressure, and the residue was purified by means of silica gel column chromatography to obtain 4.2 g of 4-(2-phenyl-1H-benzimidazol-1-yl)phenylboronic acid (46% yield).

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; IDEMITSU KOSAN CO., LTD.; EP1734038; (2006); A1;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

These common heterocyclic compound, 760212-58-6, name is 1-(4-Bromophenyl)-2-phenyl-1H-benzo[d]imidazole, 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. category: imidazoles-derivatives

In a 1000 ml three-necked flask, equipped with mechanical stirring, Ar gas protection, add 25. lg of the bromine synthesized in the third step (molecular weight 348, 0.072 mol 1), 300 ml of anhydrous THF, cooled to -78 C, stirred 35ml of BuLi (2 ¡¤ 4M, 0.084mol) was added dropwise, the temperature was maintained at _78 C, and after stirring for 10 min, 40 ml of B(0iPr) 3 (molecular weight 188.07, specific gravity 0.9574, 0.204 mol) was added dropwise at -78 C. After stirring to room temperature (with 3 hrs), dilute acid is added to hydrolyze, the aqueous layer is separated, neutralized to neutrality, sodium chloride is added, hydrazine HF dissolved in water is distilled off under reduced pressure, and a white solid is precipitated and filtered to obtain a product. 21 g of solid product, yield 93.41%.

The synthetic route of 1-(4-Bromophenyl)-2-phenyl-1H-benzo[d]imidazole has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Beijing Dingcai Technology Co., Ltd.; Beijing Weixinnuo Technology Co., Ltd.; Tsinghua University; Li Yinkui; Duan Lian; Fan Hongtao; (34 pag.)CN104513206; (2019); B;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

These common heterocyclic compound, 760212-58-6, name is 1-(4-Bromophenyl)-2-phenyl-1H-benzo[d]imidazole, 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. Application In Synthesis of 1-(4-Bromophenyl)-2-phenyl-1H-benzo[d]imidazole

7 g of 1-(4-bromophenyl)-2-phenylbenzimidazole (0.02 mol) was added to 150 ml of THF, and the temperature was lowered to -78 C, and 12 ml (2.5 M/L, 0.03 mol) was added dropwise at -78 C. n-BuLi, keep warm for 30 minutes, add 4.26g (0.041mol) of trimethyl borate, after 2 hours of reaction, the reaction is completed, add 50ml of water to the reaction solution, stir for 20 minutes, add hydrochloric acid to adjust the pH to acidity, stir 30 The reaction solution was extracted three times with ethyl acetate. The organic layer was combined and washed with water, and then the organic phase was separated and evaporated to dryness. The solid was digested twice with petroleum ether and filtered to give 2 g of white solid intermediate A, yield 60%.

The synthetic route of 1-(4-Bromophenyl)-2-phenyl-1H-benzo[d]imidazole has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Nanjing Gao Guang Semiconductor Materials Co., Ltd.; Qian Chao; Xu Jun; Wang Dening; (108 pag.)CN104987309; (2019); B;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Related Products of 760212-58-6, These common heterocyclic compound, 760212-58-6, name is 1-(4-Bromophenyl)-2-phenyl-1H-benzo[d]imidazole, 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.

In a one-neck 250 mL flask2.5 g (4.54 mmol) of Intermediate 4, 1.59 g (4.54 mmol) of Int.4, 0.16 g (0.14 mmol) of Pd (PPh3) 4, 1.26 g (9.08 mmol) of K2CO3,50 mL of toluene, 20 mL of ethanol and 10 mL of water were mixed and stirred for 11 hours while heating and refluxing.After the reaction was completed, the solvent was distilled off under reduced pressure, diluted with 50 mL of CHCl3 and filtered using celite.Washed with 100 mL of CHCl3, concentrated under reduced pressure, and purified by silica gel column chromatography to obtain 2.0 g (yield: 64.5%) of 4-42 (WS15-30-305) as a white solid.

The synthetic route of 760212-58-6 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Lapto Co., Ltd.; MOON, Seong-shik; SEOK, Moon-ki; GO, Byung-soo; KIM, Nam-ho; KWAK, Se-young; HAN, Gab-jong; OH, Eu-gene; (38 pag.)KR2017/103574; (2017); A;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Electric Literature of 760212-58-6,Some common heterocyclic compound, 760212-58-6, name is 1-(4-Bromophenyl)-2-phenyl-1H-benzo[d]imidazole, molecular formula is C19H13BrN2, 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.

In one 250 mL flask, 2.4 g (5.00 mmol) of Int.16, 1.9 g (5.50 mmol) of intermediate (13) 0.06 g (0.50 mmol) of Pd(PPh3)4, 0.7 g (12.5 mmol) of K2CO3, 50 mL of toluene, 25 mL of EtOH and 25 mL of H2O were mixed and then refluxed. After the reaction is complete, cool to room temperature and add 200 mL H2O. The mixture was extracted twice with 300 mL of dichloromethane (DCM), the extract was dried with Na2SO4, filtered and the filtrate was concentrated under reduced pressure. The solid was dissolved in chloroform and purified by silica gel column chromatography (dichloromethane (DCM) / ethyl acetate (EA)). Solidification with dichloromethane (DCM) / n-hex and filtration gave 1.3 g (yield: 43.3%) of compound 4-418 (WS16-30-067) as a beige 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-(4-Bromophenyl)-2-phenyl-1H-benzo[d]imidazole, its application will become more common.

Reference:
Patent; Raepto Co., Ltd.; Kim Gyu-ri; Go Byeong-su; Kim Hye-jeong; Ryu Yong-jae; Im Cheol-su; Park Yong-pil; Yoon Jeong-hun; Han Gap-jong; Oh Yu-jin; (85 pag.)KR2017/142950; (2017); A;,
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. 760212-58-6, name is 1-(4-Bromophenyl)-2-phenyl-1H-benzo[d]imidazole, This compound has unique chemical properties. The synthetic route is as follows., Recommanded Product: 1-(4-Bromophenyl)-2-phenyl-1H-benzo[d]imidazole

500 ml three-neck bottle,Equipped with mechanical mixing and distillation unit,5.0 g (0.0091 mol) of the compound of the formula M-206 was added,3.49 g (0.0101 mol) of 4-(2-phenyl-1H-benzo[d]imidazol-1-yl)bromobenzene,40 ml of toluene,40 ml of ethanol,25 ml of water,2.51 g (0.0182 mol) of potassium carbonate,0.05 g (0.0000455 mol) of tetrakistriphenylphosphine palladium was added under nitrogen protection.After the addition, slowly warmed to 70 C,Reaction for 8 hours.Cool down, add water,The organic layer is washed,Dry over anhydrous sodium sulfate,Decolorization on silica gel column,The eluent is concentrated to dryness.The crude product P-2 was obtained.The above crude P-2 product was recrystallized from a mixed solvent of toluene and ethyl acetate to obtain 5.01 g of a product P-2.The yield was 71.3%.

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 760212-58-6.

Reference:
Patent; Fuyang Xinyihua Materials Technology Co., Ltd.; Wang Zhanqi; Li Zhiqiang; Guo Linlin; (37 pag.)CN108218788; (2018); A;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Synthetic Route of 760212-58-6, These common heterocyclic compound, 760212-58-6, name is 1-(4-Bromophenyl)-2-phenyl-1H-benzo[d]imidazole, 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 Example 15: Synthesis of Compound A82 (0371) Pd(dba)3 (0.03 eq), (t-Bu)3P (0.06 eq), and toluene (based on a reagent (0.1 M 1 eq)) were added to a flask containing Int C-2 (1 eq) and R?-4 (1.2 eq) to form a mixed solution, and then, the mixed solution was stirred under reflux for 5 hours. After the reaction solution was cooled to room temperature, an extraction process was performed thereon using MC, followed by a washing process performed thereon using distilled water. Then, the resulting product obtained from the washing process was subjected to a drying process using MgSO4 and a vacuum distillation process. The residue obtained therefrom was purified by column chromatography, thereby completing the preparation of Compound A82 (yield: 74.9%). (0372) HRMS for C37H23N3O [M]+: calculated: 525.61, found: 524. (0373) Elemental Analysis for C37H23N3O calculated: C, 84.55; H, 4.41; N, 7.99; O, 3.04

The synthetic route of 760212-58-6 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Samsung Display Co., Ltd.; Lee, Jungsub; (107 pag.)US2017/271596; (2017); A1;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem