4,4''''-dibromo-5''-(4'-bromo-[1,1'-biphenyl]-4-yl)-1,1':4',1'':3'',1''':4''',1''''-quinquephenyl

Base Information

• Chemical Name: 4,4''''-dibromo-5''-(4'-bromo-[1,1'-biphenyl]-4-yl)-1,1':4',1'':3'',1''':4''',1''''-quinquephenyl
• CAS No.: 685114-64-1
• Molecular Formula: C₄₂H₂₇Br₃
• Molecular Weight: 771.388
• Mol file: 685114-64-1.mol

Synonyms:4,4''''-dibromo-5''-(4'-bromo-[1,1'-biphenyl]-4-yl)-1,1':4',1'':3'',1''':4''',1''''-quinquephenyl

Chemical Property of 4,4''''-dibromo-5''-(4'-bromo-[1,1'-biphenyl]-4-yl)-1,1':4',1'':3'',1''':4''',1''''-quinquephenyl

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 4,4''''-dibromo-5''-(4'-bromo-[1,1'-biphenyl]-4-yl)-1,1':4',1'':3'',1''':4''',1''''-quinquephenyl

There total 3 articles about 4,4''''-dibromo-5''-(4'-bromo-[1,1'-biphenyl]-4-yl)-1,1':4',1'':3'',1''':4''',1''''-quinquephenyl 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: 91.0%

4-bromo-4'-acetylbiphenyl (5731-01-1) → 4,4''''-dibromo-5''-(4'-bromo-[1,1'-biphenyl]-4-yl)-1,1':4',1'':3'',1''':4''',1''''-quinquephenyl (685114-64-1)

Guidance literature:

With boron tri(hydrogen sulphate); In neat liquid; at 100 ℃; for 6h; Green chemistry;

DOI:10.1080/00397911.2012.696300

Reference yield: 42.0%

4-bromo-4'-acetylbiphenyl (5731-01-1) + benzene (71-43-2,26181-88-4,54682-86-9,13967-78-7,174973-66-1) → 4,4''''-dibromo-5''-(4'-bromo-[1,1'-biphenyl]-4-yl)-1,1':4',1'':3'',1''':4''',1''''-quinquephenyl (685114-64-1)

Guidance literature:

With hydrogenchloride; orthoformic acid triethyl ester; at 20 ℃; for 2h;

DOI:10.1007/s11172-013-0323-7

Reference yield:

4-bromo-1,1'-biphenyl (92-66-0) → 4,4''''-dibromo-5''-(4'-bromo-[1,1'-biphenyl]-4-yl)-1,1':4',1'':3'',1''':4''',1''''-quinquephenyl (685114-64-1)

Guidance literature:

Multi-step reaction with 2 steps

1: 69.6 percent / aluminum chloride / CH₂Cl₂ / 6 h / 0 °C

2: 38.9 percent / trifluoromethanesulfonic acid / toluene / 14 h / Heating

With aluminium trichloride; trifluorormethanesulfonic acid; In dichloromethane; toluene;

DOI:10.1021/ma030535n

upstream raw materials:

4-bromo-4'-acetylbiphenyl

4-bromo-1,1'-biphenyl

benzene

Downstream raw materials:

1,3,5-tris[(p-terphenyl)-4'''-yl]benzene

4,4’,4’’-(benzene-1,3,5-triyl-tris(benzene-4,1-diyl))tribenzoic acid

C₄₂H₃₃B₃O₆

1,3,5-tris(4-biphenyl-4'-carbonitrile)benzene

Refernces

• 1、 Barbee, Derek,Barron, Andrew R.. "Scalable synthesis of multi-substituted aryl-phosphonates: Exploring the limits of isoretical expansion and the synthesis of new triazene-based phosphonates". . p. 231 - 244. Retrieved 2020/01/03.
• 2、 Safaei, Hamid Reza,Davoodi, Mansooreh,Shekouhy, Mohsen. "Highly efficient synthesis of substituted benzenes in the presence of B(HSO4)3 as a new and reusable catalyst under solvent-free conditions". supporting information. p. 2178 - 2190. Retrieved 2013/07/19.