2,7-Dibromopyrene

Base Information

• Chemical Name: 2,7-Dibromopyrene
• CAS No.: 102587-98-4
• Molecular Formula: C16H8Br2
• Molecular Weight: 360.048
• European Community (EC) Number: 805-786-6
• DSSTox Substance ID: DTXSID20545084
• Nikkaji Number: J2.717.828F
• Wikidata: Q72464894
• Mol file: 102587-98-4.mol

Synonyms:2,7-DIBROMOPYRENE;102587-98-4;Pyrene, 2,7-dibromo-;MFCD09909862;2,7-Dibromo-pyrene;dibromo pyrene;SCHEMBL1445635;DTXSID20545084;AKOS015899528;CS-W018435;DS-6625;SB66578;SY056173;D3169;F12425;A846237

Chemical Property of 2,7-Dibromopyrene

Chemical Property:

• Vapor Pressure: 1.54E-08mmHg at 25°C
• Melting Point: 321°C(lit.)
• Refractive Index: 1.863
• Boiling Point: 469.56 °C at 760 mmHg
• Flash Point: 277.277 °C
• PSA: 0.00000
• Density: 1.853 g/cm³
• LogP: 6.10900
• Storage Temp.: Sealed in dry,Room Temperature
• Solubility.: Benzene (Very Slightly, Heated), Chloroform (Very Slightly), DMSO (Very Slightly
• XLogP3: 6.4
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 0
• Exact Mass: 359.89723
• Heavy Atom Count: 18
• Complexity: 269

Purity/Quality:

99% ^*data from raw suppliers

2,7-Dibromopyrene ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC2=CC(=CC3=C2C4=C(C=C3)C=C(C=C41)Br)Br

Technology Process of 2,7-Dibromopyrene

There total 7 articles about 2,7-Dibromopyrene 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: 100.0%

2,7-dibromo-4,5,9,10-tetrahydropyrene (17533-36-7) → 2,7-dibromo-4,5,9,10-tetrahydropyrene (102587-98-4)

Guidance literature:

With bromine; In carbon disulfide;

DOI:10.1021/ja012550i

Reference yield: 98.0%

4,4,5,5-tetramethyl-2-[7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyren-2-yl]-1,3,2-dioxaborolane → 2,7-dibromo-4,5,9,10-tetrahydropyrene (102587-98-4)

Guidance literature:

With copper(ll) bromide; In tetrahydrofuran; methanol; water; at 20 - 90 ℃; for 12h;

DOI:10.1021/acs.joc.7b00996

Reference yield: 88.0%

4,5,9,10-tetrahydropyrene (781-17-9) → 2,7-dibromo-4,5,9,10-tetrahydropyrene (102587-98-4)

Guidance literature:

With bromine; acetic acid; sodium hydroxide; In water; at 20 ℃; for 23h;

DOI:10.1002/anie.201403624

upstream raw materials:

2,7-dibromo-4,5,9,10-tetrahydropyrene

pyrene

4,5,9,10-tetrahydropyrene

2-Bromopyrene

Downstream raw materials:

2,7-dibromo-pyrene-4,5,9,10-tetraone

pyrene-2,7-dicarboxylic acid

2,7-bis[N-(4-methoxyphenyl)-N-phenylamino]pyrene

Refernces

• 1、 Iwamoto, Takahiro,Kayahara, Eiichi,Yasuda, Nobuhiro,Suzuki, Toshiyasu,Yamago, Shigeru. "Synthesis, characterization, and properties of [4]cyclo-2,7-pyrenylene: Effects of cyclic structure on the electronic properties of pyrene oligomers". . p. 6430 - 6434. Retrieved 2014.
• 2、 Sasaki, Shunsuke,Suzuki, Satoshi,Igawa, Kazunobu,Morokuma, Keiji,Konishi, Gen-Ichi. "The K-Region in Pyrenes as a Key Position to Activate Aggregation-Induced Emission: Effects of Introducing Highly Twisted N,N-Dimethylamines". . p. 6865 - 6873. Retrieved 2017.
• 3、 -. "Pyrene-based compound and organic light emitting diode comprising the same". Paragraph 0337-0340; 0347-0349. . Retrieved 2020/05/19.