Category: 955959-84-9

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. 955959-84-9, name is 4-(4-Bromophenyl)dibenzo[b,d]furan, A new synthetic method of this compound is introduced below., COA of Formula: C18H11BrO

In a stream of nitrogen, was added 2-chlorocarbazole 3.0g (14.9mmol) in 50mL three-necked flask, 1-bromo-4-(4-dibenzofuranyl)benzene, 4.8g (14.9mmol), potassium carbonate 4.1g (29.8mmol), o-xylene 25mL, palladium acetate, 67mg (0.29mmol) and tri (tert-butyl) phosphine 210mg (1.0mmol), stirred at 140 °C 6 hours. After cooling to room temperature, water was added 10mL, the organic layer was separated. The organic layer was washed with water, washed sequentially with saturated brine, dried over anhydrous magnesium sulfate, and concentrated under reduced pressure. The obtained residue was purified by silica gel column chromatography (mixed solvent of toluene and hexane (volume ratio = 1: 2)) was purified, isolated 2-chloro-9-(4-(4-dibenzofuran-yl)phenyl)carbazole as a white powder 5.4g (12.1mmol) (yield 81percent).

The synthetic route of 955959-84-9 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Tosoh Corporation; Naoki, Matsumoto; Hirokazu, Shinya; (43 pag.)CN105531262; (2016); A;,
Bromide – Wikipedia,
bromide – Wiktionary

These common heterocyclic compound, 955959-84-9, name is 4-(4-Bromophenyl)dibenzo[b,d]furan, 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. Safety of 4-(4-Bromophenyl)dibenzo[b,d]furan

Under an argon atmosphere, the intermediate body 3H-1 (2.36 g, 7.3 mmol), an intermediate body 3H-2 (3.0 g, 7.3 mmol), CuI (1.4 g, 7.3 mmol), tripotassium phosphate (2.3 g, 11 mmol), anhydrous dioxane (30 mL), and cyclohexanediamine (0.84 g, 7.3 mmol) were loaded in the stated order into a three-necked flask, and were then stirred at 100 C. for 8 hours. Water was added to the reaction liquid to precipitate a solid, and then the solid was washed with hexane and then with methanol. Further, the resultant solid was purified by silica gel column chromatography. Thus, a compound 3H (2.9 g, 60% yield) was obtained. The result of FD-MS analysis confirmed that the compound had a ratio m/e of 650 with respect to its molecular weight, i.e., 650.

The synthetic route of 4-(4-Bromophenyl)dibenzo[b,d]furan has been constantly updated, and we look forward to future research findings.

Reference:
Patent; IDEMITSU KOSAN CO. LTD.; UNIVERSAL DISPLAY CORPORATION; Yamamoto, Hitoshi; Weaver, Michael S.; Brown, Julia J.; Nishimura, Kazuki; Iwakuma, Toshihiro; (76 pag.)US9966541; (2018); B2;,
Bromide – Wikipedia,
bromide – Wiktionary

955959-84-9, name is 4-(4-Bromophenyl)dibenzo[b,d]furan, belongs to bromides-buliding-blocks compound, is considered to be a conventional heterocyclic compound, which is widely used in drug synthesis. The chemical synthesis route is as follows. Quality Control of 4-(4-Bromophenyl)dibenzo[b,d]furan

[Example-of-Synthesis 1 (Synthesis of Compound H1) ]; Under an argon gas flow, 6.5 g of Intermediate 5, 9.5 g of Intermediate 12, 2.6 g of t-butoxy sodium (manufactured by Hiroshima Wako Co., Ltd.), 92 mg of tris (dibenzylideneacetone) dipalladium(0) (manufactured by SIGMA-ALDRICH Corn.), 42 mg of tri-tert-butylphosphine and 100 ml of dehydrated toluene were placed and the reaction was allowed to proceed at 80°C for 8 hours. The resultant solution was cooled down, added with 500 ml of water and filtered through sellite. The resultant filtrate was extracted with toluene, and the extract was dried over dehydrated magnesium sulfate. The dried substance was condensed under reduced pressure and the coarse product was subjected to column purification. The purified substance was re-crystallized with a use of toluene and after the resultant crystal was taken by filtration, the crystal was dried and as a result, 8.1 g of a pale yellow powder was obtained. The pale yellow powder was identified as Compound H1 from the result in accordance with the FD-MS analysis.

The synthetic route of 955959-84-9 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Idemitsu Kosan Co., Ltd.; EP2295421; (2011); A1;,
Bromide – Wikipedia,
bromide – Wiktionary

Synthetic Route of 955959-84-9, 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 955959-84-9 as follows.

In a round bottom flask, 4.9 g of aniline, 30 g of starting material X1, t-BuONa 14.5 g, Pd2(dba)3 2.2 g, and (t-Bu)3P 2.3 m were dissolved in 200 ml of toluene, stirred at reflux. The reaction was confirmed by thin layer chromatography (TLC), and after adding water, the reaction was terminated. Use methyl cellulose (MC) to extract organic layers and reduce themAfter pressure filtration, column purification and recrystallization were carried out to obtain 16.2 g (yield 81percent) of IA-1.

According to the analysis of related databases, 955959-84-9, the application of this compound in the production field has become more and more popular.

Reference:
Patent; Dongjin Shimeiken Co., Ltd.; Jin Jintai; Xian Haowan; Jin Dongjun; Lin Donghuan; Li Yingzhen; Lin Dazhe; Han Zhengyou; Pei Weizhen; Jin Yingsen; Li Dongxuan; (49 pag.)CN108689913; (2018); A;,
Bromide – Wikipedia,
bromide – Wiktionary

Synthetic Route of 955959-84-9, 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. 955959-84-9, name is 4-(4-Bromophenyl)dibenzo[b,d]furan belongs to bromides-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below.

In a stream of argon, 6.5 g of the intermediate-14′, 8.8 g of the intermediate-20′, 2.6 g of t-butoxy sodium, 92 mg of tris(dibenzylideneacetone)dipalladium, 42 mg of tri-t-butylphosphine, and 100 ml of dry toluene were loaded into a 300-ml three-necked flask, and then the mixture was subjected to a reaction at 80°C for 8 hours. After having been cooled, the reaction product was poured into 500 ml of water, and then the mixture was subjected to celite filtration. The filtrate was extracted with toluene, and was then dried with anhydrous magnesium sulfate. The dried product was concentrated under reduced pressure. The resultant coarse product was subjected to column purification, and was then recrystallized with toluene. The crystal was taken by filtration, and was then dried. As a result, 8.2 g of a pale yellow powder were obtained. The powder was identified as aromatic amine derivative (H-1′) by FD-MS analysis.

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-(4-Bromophenyl)dibenzo[b,d]furan, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; Idemitsu Kosan Co., Ltd.; EP2468725; (2012); A1;,
Bromide – Wikipedia,
bromide – Wiktionary

Application of 955959-84-9, 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. 955959-84-9, name is 4-(4-Bromophenyl)dibenzo[b,d]furan belongs to bromides-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below.

In an argon atmosphere, in a three-necked 100mL flask, compound (x) 0.8g, the compound (xi) 0.54g, bis(dibenzylideneacetone)palladium (0) (Pd(dba)2) 0.06g, tri-t-butylphosphine ((t-Bu)3P) 0.12g, was added to sodium t-butoxide 0.3g, was heated under reflux for 7 hours in 30mL of toluene solvent. After air-cooling, water was added The organic layer was separated, and the solvent was distilled off. The crude product thus obtained was purified by silica gel column chromatography (dichloro methane and using a mixed solvent of hexane) was subjected to recrystallization with toluene and hexane mixture solvent to give the compound A-35 as a white solid 0.95g (80percent yield)

The synthetic route of 4-(4-Bromophenyl)dibenzo[b,d]furan has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Samsung DisplayCo., Ltd.; Huchiwaki, Junta; Oyama, Hiromi; Miyata, Yasuo; Sakamoto, Naoya; Ueno, Masatsuku; Takada, Echinori; (155 pag.)KR2015/90021; (2015); A;,
Bromide – Wikipedia,
bromide – Wiktionary

Synthetic Route of 955959-84-9,Some common heterocyclic compound, 955959-84-9, name is 4-(4-Bromophenyl)dibenzo[b,d]furan, molecular formula is C18H11BrO, 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.

0.21 g of palladium(II) acetate, xylene (20 mL), and 0.76 g of tri-tert-butylphosphine were added.Stirred at 60 °C for 30 minutes. The above solution was added to a flask heated to 60°C under nitrogen to give the above compound 4 (16,18-Dihydrobenzo[4,5]furo[3,2-a]benzofurano[2′,3′:6,7]indolo[3,2-h]carbazole 7.4 g), 4-(4-bromophenyl)dibenzo[b,d]furan (13.2 g) and sodium tert-butoxide 5.2 g (54 mmol) were added to the above solution together with xylene (180 mL). Then, it heated up at 130 °C , and it heat-stirred for 6 hours. After cooling to room temperature, 200 mL of water was added. After the organic layer was extracted with chloroform, the organic layer was dried over MgSO4 , the solvent was removed, and silica gel column chromatography was performed, whereby Compound A-10 (6.4 g, 41percent) was obtained.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 4-(4-Bromophenyl)dibenzo[b,d]furan, its application will become more common.

Reference:
Patent; Co., Ltd. LG Chemical; Hong Wanshao; He Zaicheng; Xu Shangde; Jin Zhengfan; Li Zaizhuo; Jin Yuanhuan; (73 pag.)CN108017654; (2018); A;,
Bromide – Wikipedia,
bromide – Wiktionary

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. 955959-84-9, name is 4-(4-Bromophenyl)dibenzo[b,d]furan, A new synthetic method of this compound is introduced below., Recommanded Product: 955959-84-9

To a round bottom flask was added 4- (4-bromophenyl) dibenzofuran (1.23 g, 3.8 mmol), aminobiphenyl (0.71 g, 4.19 mmol)sodium tert-butoxide (0.512 g, 5.33 mmol),tris (dibenzylideneacetone) dipalladium (0) (0.07 g, 0.076 mmol) was dissolved in 50 ml of toluene. tri-tert-butylphosphine (0.03 g, 0.15 mmol) was added and the mixture was refluxed for 24 hours.After confirming with HPLC and LC-MASS, the reaction was terminated. After removal of the solvent, it was extracted with MC / H2O. column (EA: Hex = 1: 4) and reprecipitated with MC / hexane. Vacuum drying and sublimation purification were conducted to obtain a solid compound (1.25 g, yield = 80%).

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; LG Display Co., Ltd.; Choi Hye-ok; Lee Seung-jae; Pin Jong-gwan; Seo Bo-min; (39 pag.)KR2018/44695; (2018); A;,
Bromide – Wikipedia,
bromide – Wiktionary

Related Products of 955959-84-9, The chemical industry reduces the impact on the environment during synthesis 955959-84-9, name is 4-(4-Bromophenyl)dibenzo[b,d]furan, I believe this compound will play a more active role in future production and life.

Intermediate M-1 15g (46.4mmol) in a round bottom flask and 9,9-Dimethyl-9H-fluoren-2-ylamine 4.8g (23.2mmol),sodium-t- butoxide 6.7g (69.6mmol) ofIt was dissolved in toluene into a 185ml. Here Pd (dba) 2 0.53g (0.928mmol) and tri-tert-butylphosphine was placed to 0.38g (1.86mmol) in turn and the mixture was stirred under reflux for 4 hours under a nitrogen atmosphere. After completion of the reaction and then extracted with toluene the organic layer was dried and distilled over magnesium sulfate, filtered and the filtrate was concentrated under reduced pressure. The product n- hexane / dichloromethane (8: 2 by volume) to give compound 8 as a purification by a silica gel column chromatography as a white solid 14.4g (90percent yield).

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-(4-Bromophenyl)dibenzo[b,d]furan, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; SAMSUNG SDI CO., LTD.; JANG, YU NA; HONG, JIN SEOK; KIM, YOUNG KWON; YU, EUN SUN; KIM, CHANG WOO; KIM, HUN; MIN, SOO HYUN; CHO, PYEONG SEOK; (38 pag.)KR2016/12846; (2016); A;,
Bromide – Wikipedia,
bromide – Wiktionary

Electric Literature of 955959-84-9, A common heterocyclic compound, 955959-84-9, name is 4-(4-Bromophenyl)dibenzo[b,d]furan, molecular formula is C18H11BrO, 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 3.6 g (4.3 mmol) N4,N4?-di(biphenyl-4-yl)-N4-(10,10-dimethyl-10H-indeno[2,1-b]triphenylen-12-yl)biphenyl-4,4?-diamine, 1.6 g (5.0 mmol) of 4-(4-bromophenyl)dibenzo[b,d]furan, 0.025 g (0.1 mmol) of palladium(II)acetate, 0.07 g (0.19 mmol) of 2-(dicyclohexylphosphino)biphenyl, 0.65 g (7 mmol) of sodium tert-butoxide and 50 ml of toluene was refluxed under nitrogen overnight. After finishing the reaction, then cooled to room temperature. The organic layer was extracted with dichloromethane and water, dried with anhydrous magnesium sulfate, the solvent was removed and the residue was purified by column chromatography on silica gel (hexane-dichloromethane) to give product 2.8 g (yield 61percent) as a yellow solid. MS (m/z, FAB+):1072.1

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; YEN, FENG-WEN; (36 pag.)US2016/343941; (2016); A1;,
Bromide – Wikipedia,
bromide – Wiktionary