The Production Process of 2,7-DibroMo-triphenylene

2,7-Dibromo-triphenylene is an important organic compound used in various applications in the chemical industry.
Its production process involves several steps, which are carried out in a controlled environment to ensure maximum efficiency and quality.
In this article, we will discuss the production process of 2,7-dibromo-triphenylene in detail.

Step 1: Synthesis of Triphenylene
The synthesis of triphenylene, the starting material for the production of 2,7-dibromo-triphenylene, involves the reaction of benzene with phenylene oxide in the presence of a Lewis acid catalyst.
The product is then washed with water and treated with sodium hydroxide to remove any remaining impurities.

Step 2: Bromination of Triphenylene
The bromination of triphenylene involves the addition of bromine to the triphenylene molecule to form 2,7-dibromo-triphenylene.
The bromination reaction is carried out using a variety of brominating agents, such as PBr5 or PhBr2, in the presence of a solvent, such as carbon tetrachloride or chloroform.
The reaction is typically carried out at a temperature of around 80-100°C.

Step 3: Purification of 2,7-Dibromo-triphenylene
After the bromination reaction, the 2,7-dibromo-triphenylene is purified by recrystallization or chromatography.
Recrystallization involves melting the crude product and allowing it to cool and recrystallize.
Chromatography involves passing the crude product through a column packed with an adsorbent material, such as silica gel or alumina, to separate the desired product from any impurities.

Step 4: Characterization of 2,7-Dibromo-triphenylene
The final step in the production process of 2,7-dibromo-triphenylene involves its characterization.
This involves various tests, such as melting point, boiling point, density, and spectral analysis.
The product is also tested for impurities and for compliance with the required specifications.

In conclusion, the production process of 2,7-dibromo-triphenylene involves several steps, including the synthesis of triphenylene, bromination of triphenylene, purification of 2,7-dibromo-triphenylene, and characterization of the final product.
These steps are carried out in a controlled environment to ensure maximum efficiency and quality.
The resulting product is used in various applications in the chemical industry and is an important component in the production of various chemicals and plastics.