4,4''-Dibromo-p-terphenyl

Base Information

• Chemical Name: 4,4''-Dibromo-p-terphenyl
• CAS No.: 17788-94-2
• Molecular Formula: C18H12Br2
• Molecular Weight: 388.101
• Hs Code.: 29039990
• Mol file: 17788-94-2.mol

Synonyms:p-Terphenyl,4,4''-dibromo- (6CI,8CI);4,4''-Dibromo-1,1':4',1''-terphenyl;

Chemical Property of 4,4''-Dibromo-p-terphenyl

Chemical Property:

• Appearance/Colour: Yellow crystal powder
• Melting Point: 315
• Boiling Point: 481.718 °C at 760 mmHg
• Flash Point: 285.478 °C
• PSA: 0.00000
• Density: 1.538 g/cm³
• LogP: 6.54560
• Storage Temp.: Sealed in dry,Room Temperature

Purity/Quality:

99% ^*data from raw suppliers

4,4''''-Dibromo-p-terphenyl ^*data from reagent suppliers

Safty Information:

• Statements: 22
• Safety Statements: 26

MSDS Files:

SDS file from LookChem

Useful:

• Uses: 4,4''''-Dibromo-p-terphenyl

Technology Process of 4,4''-Dibromo-p-terphenyl

There total 21 articles about 4,4''-Dibromo-p-terphenyl 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: 98.0%

[1,1';4',1'']terphenyl (92-94-4,94363-13-0) → 4,4''-dibromo-p-terphenyl (17788-94-2)

Guidance literature:

With dihydrogen peroxide; bromine; In dichloromethane; water; for 4h; Reflux;

DOI:10.1016/j.mencom.2020.07.006

Reference yield: 89.0%

3,6-bis(4-bromophenyl)-3,5-cyclohexadiene-1,2-trans-dicarboxylic acid → 4,4''-dibromo-p-terphenyl (17788-94-2)

Guidance literature:

3,6-bis(4-bromophenyl)-3,5-cyclohexadiene-1,2-trans-dicarboxylic acid; With sodium hydroxide; potassium hexacyanoferrate(III); In tetrahydrofuran; for 3h;

With hydrogenchloride; In tetrahydrofuran; water; pH=3;

DOI:10.1080/00397910903533991

Reference yield: 84.0%

para-diiodobenzene (624-38-4,1032416-46-8) + 4-Bromophenylboronic acid (5467-74-3) → 4,4''-dibromo-p-terphenyl (17788-94-2)

Guidance literature:

With sodium carbonate; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In water; toluene; for 10h; Heating / reflux;

upstream raw materials:

[1,1';4',1'']terphenyl

4-bromo-p-terphenyl

trans-4-bromocinnamaldehyde

1-bromocyclohexane

Downstream raw materials:

4-Bromobenzoic acid

4,4''-bis(2,3,4,5-tetramethylcyclopenta-1,3-dienyl)-p-terphenyl

4-bromo-4''-(N,N-diphenylamino)terphenyl

4-bromo-N,N-dibiphenylyl-4-amino-p-terphenyl

Refernces

• 1、 Dorofeeva, Evgeniya O.,Egorov, Mikhail P.,Frolov, Nikita A.,Hansford, Karl A.,Konyuhova, Valeria Yu.,Vereshchagin, Anatoly N.. "Synthesis and biological evaluation of novel bis-quaternary ammonium compounds with p-terphenyl spacer". . p. 424 - 426. Retrieved 2020.
• 2、 -. "Novel compound and organic light emitting device comprising the same". Paragraph 0189-0193. . Retrieved 2020/06/02.