2-(4-BROMOPHENYL)-1,1-DIPHENYLETHYLENE

Base Information

• Chemical Name: 2-(4-BROMOPHENYL)-1,1-DIPHENYLETHYLENE
• CAS No.: 18648-66-3
• Molecular Formula: C20H15 Br
• Molecular Weight: 335.243
• Hs Code.: 2903999090
• Mol file: 18648-66-3.mol

Synonyms:Ethylene,2-(p-bromophenyl)-1,1-diphenyl- (8CI)

Chemical Property of 2-(4-BROMOPHENYL)-1,1-DIPHENYLETHYLENE

Chemical Property:

• Vapor Pressure: 2.21E-06mmHg at 25°C
• Melting Point: 79 °C
• Refractive Index: 1.661
• Boiling Point: 404.4°C at 760 mmHg
• Flash Point: 191.8°C
• PSA: 0.00000
• Density: 1.313g/cm³
• LogP: 6.03800
• Storage Temp.: Sealed in dry,Room Temperature
• Solubility.: soluble in Toluene

Purity/Quality:

98%,99%, ^*data from raw suppliers

2-(4-Bromophenyl)-1,1-diphenylethylene ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2-(4-BROMOPHENYL)-1,1-DIPHENYLETHYLENE

There total 21 articles about 2-(4-BROMOPHENYL)-1,1-DIPHENYLETHYLENE which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 90.0%

benzophenone (119-61-9) + 1-bromomethyl-4-bromobenzene (589-15-1) → 1-bromo-4-(2,2-diphenylvinyl)benzene (18648-66-3)

Guidance literature:

1-bromomethyl-4-bromobenzene; With triethyl phosphite; at 150 ℃; for 24h; Inert atmosphere;

benzophenone; With potassium tert-butylate; In tetrahydrofuran; for 24h;

Reference yield: 85.0%

1,1-Diphenylethylene (530-48-3) + 1-(methylsulfonyl)-2-(4-bromophenyl)diazene (56075-37-7) → 1-bromo-4-(2,2-diphenylvinyl)benzene (18648-66-3)

Guidance literature:

In acetonitrile; for 4h; Irradiation;

DOI:10.1002/ejoc.201800883

Reference yield: 78.0%

benzophenone (119-61-9) + diethyl (4-bromobenzyl)phosphonate (38186-51-5) → 1-bromo-4-(2,2-diphenylvinyl)benzene (18648-66-3)

Guidance literature:

With 15-crown-5; sodium hydride; In tetrahydrofuran; at 20 ℃; for 24h;

DOI:10.1021/ja992924w

upstream raw materials:

2-(4-bromo-phenyl)-1,1-diphenyl-ethanol

benzophenone

diethyl (4-bromobenzyl)phosphonate

diethyl (diphenylmethyl)phosphonate

Downstream raw materials:

9,10-bis[4-(2,2-diphenylethenyl)phenyl]-2,6-di(2-ethylhexyloxy)anthracene

9,10-bis[4-(2,2-diphenylethenyl)phenyl]-2,7-di-t-butylanthracene

9,10-bis[4-(2,2-diphenylethenyl)phenyl]-2,6-di-t-butylanthracene

2-(2-phenyl-2-propyl)-9,10-bis(4-(2,2-diphenylvinyl)phenyl)-9,10-dihydro-9,10-dihydroxyanthracene

Refernces

• 1、 Horiuchi, Tamotsu,Yashiro, Tohru,Kawamura, Ryo,Uchida, Satoshi,Segawa, Hiroshi. "Indoline dyes with benzothiazole unit for dye-sensitized solar cells". . p. 517 - 519. Retrieved 2016.
• 2、 Adil, Laxmi Raman,Iyer, Parameswar Krishnan. "Effects of incorporating regioisomers and flexible rotors to direct aggregation induced emission to achieve stimuli-responsive luminogens, security inks and chemical warfare agent sensors". supporting information. p. 7633 - 7636. Retrieved 2020/07/21.