1,3-dibromo-2-(2,6-dibromophenyl)benzene

Base Information

• Chemical Name: 1,3-dibromo-2-(2,6-dibromophenyl)benzene
• CAS No.: 97038-96-5
• Molecular Formula: C12H6 Br4
• Molecular Weight: 469.796
• Hs Code.: 2903999090
• Mol file: 97038-96-5.mol

Synonyms:Biphenyl,2,2',6,6'-tetrabromo- (6CI); 2,2',6,6'-Tetrabromo-1,1'-biphenyl;2,2',6,6'-Tetrabromobiphenyl; PBB 54

Chemical Property of 1,3-dibromo-2-(2,6-dibromophenyl)benzene

Chemical Property:

• Melting Point: 215 °C(Solv: ethanol (64-17-5); ethyl ether (60-29-7))
• Boiling Point: 391.3°Cat760mmHg
• Flash Point: 184.8°C
• PSA: 0.00000
• Density: 2.14g/cm³
• LogP: 6.40360

Purity/Quality:

98% ^*data from raw suppliers

2,2'',6,6''-Tetrabromo-1,1''-biphenyl ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Uses: 2,2'',6,6''-Tetrabromo-1,1''-biphenyl is a research intermediate used in the preparation of triphenylenes, tetraphenylenes, and other related compound.

Technology Process of 1,3-dibromo-2-(2,6-dibromophenyl)benzene

There total 7 articles about 1,3-dibromo-2-(2,6-dibromophenyl)benzene 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: 60.0%

1,3-dibromo-2-iodo-benzene (19821-80-8) → 2,2’,6,6’-tetrabromobiphenyl (97038-96-5)

Guidance literature:

1,3-dibromo-2-iodo-benzene; With n-butyllithium; copper(ll) bromide; In diethyl ether; hexane; at -78 ℃; for 0.75h; Inert atmosphere; Schlenk technique;

With nitrobenzene; In diethyl ether; hexane; at -78 - 20 ℃; for 6h;

Reference yield: 60.0%

1,3-dibromobenzene (108-36-1) → 2,2’,6,6’-tetrabromobiphenyl (97038-96-5)

Guidance literature:

1,3-dibromobenzene; With lithium diisopropyl amide; In tetrahydrofuran; hexane; at -78 ℃; for 2h; Inert atmosphere;

With copper(I) cyanide lithium chloride; p-benzoquinone; In tetrahydrofuran; hexane; at -78 - 20 ℃; Inert atmosphere;

DOI:10.1002/adsc.201000517

Reference yield:

1,3-dibromo-2-iodo-benzene (19821-80-8) → 2-chloro-1,3-dibromobenzene (19230-27-4) + 2,2’,6,6’-tetrabromobiphenyl (97038-96-5)

Guidance literature:

With n-butyllithium; copper dichloride; Multistep reaction. Yields of byproduct given; 1.) ether, hexane, -78 deg C, 2 h, 2.) ether, hexane, from -78 deg C to RT, 12 h;

DOI:10.1021/ja961065y

upstream raw materials:

4,6,2',6'-tetrabromo-biphenyl-2,4'-diyldiamine

1,3-dibromo-2-iodo-benzene

1,3-dibromobenzene

2,2',4,4',6,6'-hexabromo-1,1'-biphenyl

Refernces

• 1、 -. "Synthetic method for optically pure double-helix oligomeric tetra-benzocyclooctene substances". Paragraph 0047; 0048. . Retrieved 2017/07/31.
• 2、 Suzuki, Takanori,Wada, Kazuhisa,Ishigaki, Yusuke,Yoshimoto, Yasuyo,Ohta, Eisuke,Kawai, Hidetoshi,Fujiwara, Kenshu. "Drastic change in racemization barrier upon redox reactions: Novel chiral-memory units based on dynamic redox systems". supporting information; scheme or table. p. 4100 - 4102. Retrieved 2010/09/06.