2,7-Dibromotriphenylene

Base Information

• Chemical Name: 2,7-Dibromotriphenylene
• CAS No.: 888041-37-0
• Molecular Formula: C₁₈H₁₀Br₂
• Molecular Weight: 386.085
• Hs Code.: 2903998090
• European Community (EC) Number: 811-063-6
• DSSTox Substance ID: DTXSID80583088
• Wikidata: Q82474606
• Mol file: 888041-37-0.mol

Synonyms:2,7-dibromotriphenylene;888041-37-0;2,7-Dibromo-triphenylene;1219091-69-6;MFCD22571695;SCHEMBL12580921;2 pound not7-Dibromotriphenylene;DTXSID80583088;BPGPBYGXGRDFQG-UHFFFAOYSA-N;AKOS024462942;DS-7796;SY056147;CS-0022186;D4801;F18762;A854403

Chemical Property of 2,7-Dibromotriphenylene

Chemical Property:

• Melting Point: 230.0 to 234.0 °C
• Boiling Point: 526.8±23.0 °C(Predicted)
• PSA: 0.00000
• Density: 1.722±0.06 g/cm3(Predicted)
• LogP: 6.67120
• Storage Temp.: Sealed in dry,Room Temperature
• XLogP3: 6.3
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 0
• Exact Mass: 385.91288
• Heavy Atom Count: 20
• Complexity: 321

Purity/Quality:

98% ^*data from raw suppliers

2,7-Dibromotriphenylene ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC=C2C(=C1)C3=C(C=CC(=C3)Br)C4=C2C=C(C=C4)Br

Technology Process of 2,7-Dibromotriphenylene

There total 6 articles about 2,7-Dibromotriphenylene 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: 84.9%

4,4'-dibromo-1,1':2',1-terphenyl → 2,7-dibromotriphenylene (888041-37-0)

Guidance literature:

With trifluorormethanesulfonic acid; oxygen; In dichloromethane; at 15 - 20 ℃; for 2h;

Reference yield: 46.0%

3,3-dibromo-1,1': 2',1-terphenyl (95918-90-4) → 2,7-dibromotriphenylene (888041-37-0)

Guidance literature:

With molybdenum chloride; In dichloromethane; at 20 ℃; for 19h; Inert atmosphere;

Reference yield:

1,2-Diiodobenzene (615-42-9) → 2,7-dibromotriphenylene (888041-37-0)

Guidance literature:

Multi-step reaction with 3 steps

1: 40 percent / aq. NaOH / Pd(PPh₃)4 / bis-(2-methoxy-ethyl) ether / 28 h / 60 - 80 °C

2: 86 percent / Br₂ / CCl₄ / 0.58 h / 0 °C

3: 9 percent / MoCl₅ / CH₂Cl₂ / 12 h / 20 °C

With sodium hydroxide; bromine; molybdenum(V) chloride; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrachloromethane; dichloromethane; diethylene glycol dimethyl ether; 1: Suzuki-Miyaura reaction / 3: Scholl reaction;

DOI:10.1021/jo061515x

upstream raw materials:

3,3-dibromo-1,1': 2',1-terphenyl

3,3-bis(trimethylsilyl)-1,1':2',1-terphenyl

1,2-Diiodobenzene

4,4'-dibromo-2-nitro-biphenyl

Downstream raw materials:

2,7-bis(4,4,5,5-tetramethyl-[1,3,2]dioxabororan-2-yl)triphenylene