888041-37-0

Basic information

• Product Name: 2,7-DibroMotriphenylene
• Synonyms: 2,7-DibroMotriphenylene
• CAS NO: 888041-37-0
• Molecular Formula: C18H10Br2
• Molecular Weight: 386.08
• Mol File: 888041-37-0.mol
• Article Data: 4

Chemical Properties

• Melting Point: 230.0 to 234.0 °C
• Boiling Point: 526.8±23.0 °C(Predicted)
• Appearance: /
• Density: 1.722±0.06 g/cm3(Predicted)
• Storage Temp.: Sealed in dry,Room Temperature
• CAS DataBase Reference: 2,7-DibroMotriphenylene(CAS DataBase Reference)
• NIST Chemistry Reference: 2,7-DibroMotriphenylene(888041-37-0)
• EPA Substance Registry System: 2,7-DibroMotriphenylene(888041-37-0)

Safety Data

• Hazardous Substances Data: 888041-37-0(Hazardous Substances Data)

Usage

General Description

2,7-Dibromotriphenylene is a chemical compound consisting of a triphenylene core with two bromine atoms positioned at the 2 and 7 positions on the aromatic ring. It belongs to the class of polycyclic aromatic hydrocarbons and is often used as a building block in the synthesis of organic materials and molecules. Its unique structure and properties make it a valuable intermediate in the production of organic electronic materials, such as organic light-emitting diodes and organic semiconductors. Additionally, 2,7-Dibromotriphenylene has shown potential as a building block in supramolecular chemistry and material science due to its ability to form strong and stable π-π stacking interactions with other aromatic molecules. However, it is important to handle this compound with care, as it may pose health and environmental hazards if not properly managed.

Upstream product

• 439797-69-0 4,4'-dibromo-2-nitro-biphenyl 
• 92-86-4 4-(4-bromophenyl)bromobenzene 
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• 929700-49-2 3,3-bis(trimethylsilyl)-1,1':2',1-terphenyl 
• 95918-90-4 3,3-dibromo-1,1': 2',1-terphenyl 

Downstream Products

• 929103-40-2 2,7-bis(4,4,5,5-tetramethyl-[1,3,2]dioxabororan-2-yl)triphenylene 

Relevant articles and documents

Synthetic method of 2,7-dibromo-benzo[9,10]phenanthrene

The invention belongs to the technical field of organic chemical synthesis, and relates to a synthetic method of triphenylene, in particular to a synthetic method of 2,7-dibromo-benzo[9,10]phenanthrene. The synthetic method includes dissolving 4,4'-dibromobiphenyl in dichloromethane; adopting a mixed solution of nitric acid and sulfuric acid for nitration reaction, and carrying out washing, concentrating and recrystallizing to obtain 2-nitro-4,4'-dibromobiphenyl, wherein the yield is 82%; reducing a nitro group into an amino group by a Fe/NH4Cl system, and subjecting the obtained product and benzene to diazo coupling reaction to obtain 4,4'-dibromo-1,1',2',1-terphenyl; performing oxidative coupling by a Pd/trifluoromethanesulfonic acid system to obtain the 2,7-dibromo-benzo[9,10]phenanthrene, wherein the yield is 62.5%, and the HPCL purity is 99.5%. The synthetic method avoids the problems of complex synthesis, low yield and environmental pollution in conventional methods.

COMPOUND CONTAINING SUBSTITUTED TRIPHENYLE RING STRUCTURE, AND ORGANIC ELECTROLUMINESCENT ELEMENT

An organic compound having an excellent electron injection and transport performance is provided as a material for a low-power-consumption organic electroluminescent device. A low-power-consumption organic electroluminescent device is also provided by using the compound. The compound is a compound of general formula (1) or (2) having a substituted bipyridyl and triphenylene ring structure. The organic electroluminescent device includes a pair of electrodes, and one or more organic layers sandwiched between the pair of electrodes, and uses the compound as constituent material of at least one of the organic layers.