4,4"-dibroMo-1,1':3',1"-terphenyl

Base Information

• Chemical Name: 4,4"-dibroMo-1,1':3',1"-terphenyl
• CAS No.: 83909-22-2
• Molecular Formula: C18H12Br2
• Molecular Weight: 388.101
• Mol file: 83909-22-2.mol

Synonyms:4,4"-dibroMo-1,1':3',1"-terphenyl;4,4''-Dibromo-m-terphenyl

Chemical Property of 4,4"-dibroMo-1,1':3',1"-terphenyl

Chemical Property:

• Melting Point: 156.0 to 160.0 °C
• PSA: 0.00000
• LogP: 6.54560
• Solubility.: soluble in Toluene

Purity/Quality:

98% ^*data from raw suppliers

4,4''''-Dibromo-1,1'':3'',1''''-terphenyl ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 4,4"-dibroMo-1,1':3',1"-terphenyl

There total 5 articles about 4,4"-dibroMo-1,1':3',1"-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: 71.0%

4-bromo-1-ethynylbenzene (766-96-1) + ethene (74-85-1) → 4,4′′-dibromo-1,1′:3′,1′′-terphenyl (83909-22-2)

Guidance literature:

4-bromo-1-ethynylbenzene; ethene; With tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride; In dichloromethane; at 60 ℃; for 1h; under 6000.6 Torr; Autoclave;

4-bromo-1-ethynylbenzene; With [2,4,6-trimethyl-N-(pyridin-2-ylmethylene)aniline]-dibromocobalt(II) complex; zinc(II) iodide; zinc; In dichloromethane; at 20 ℃; for 8h;

With 2,3-dicyano-5,6-dichloro-p-benzoquinone; In toluene; at 20 ℃;

DOI:10.1002/anie.201300610

Reference yield:

1,5-bis(4-bromophenyl)penta-1,4-diyn-3-ol + acetylacetone (123-54-6,81235-32-7) → 4-bromo-[1,1′;3′,1′′]-terphenyl (54590-37-3) + 4,4′′-dibromo-1,1′:3′,1′′-terphenyl (83909-22-2)

Guidance literature:

With trifluorormethanesulfonic acid; In chlorobenzene; at 110 ℃; Overall yield = 60 %; Overall yield = 116.4 mg;

DOI:10.1055/s-0035-1560372

Reference yield:

4'-Brom-3-<4-brom-phenyl>-4,5-dihydro-diphenyl → 4,4′′-dibromo-1,1′:3′,1′′-terphenyl (83909-22-2)

Guidance literature:

With bromine;

DOI:10.1021/ja01504a050

upstream raw materials:

(4-bromophenyl)magnesium bromide

3-(4-bromophenyl)cyclohex-2-enone

4-bromo-1-ethynylbenzene

ethene

Downstream raw materials:

4'-(m-Xenyl)-3-(m-terphenyl-⁽⁴⁾)-diphenyl

3-(Diphenylyl-(3))-3''-<4-(4,5-dihydro-m-terphenyl-(3))-phenyl>-5,6-dihydro-terphenyl

4,4''-Bis--m-terphenyl

Refernces

• 1、 Fan, Qitang,Wang, Cici,Han, Yong,Zhu, Junfa,Hieringer, Wolfgang,Kuttner, Julian,Hilt, Gerhard,Gottfried, J. Michael. "Surface-assisted organic synthesis of hyperbenzene nanotroughs". . p. 4668 - 4672. Retrieved 2013.