The Instruction of 9([1,1`-biphenyl]-4-yl)-10-broMo-2-phenylanthracene

Instructions for the synthesis of 9([1,1`-biphenyl]-4-yl)-10-broMo-2-phenylanthracene in the chemical industry:

Step 1: Preparation of the starting materials

• 4-bromo-2-methylphenylboronic acid: This can be synthesized by a variety of methods, including the reaction of 2-methylphenyldibromide with sodium hydrogenborate or the reduction of 4-bromo-2-methylphenol.
  
• 2-(2,6-dimethylphenoxy)pyridine: This can be synthesized by the reaction of 2,6-dimethylaniline with o-phenylenediamine in the presence of a base, such as sodium hydroxide.
  

Step 2: Coupling of the starting materials

• To a solution of 4-bromo-2-methylphenylboronic acid in a polar solvent, such as water or a lower alcohol, add a catalytic amount of sodium hydrogen carbonate and 2-(2,6-dimethylphenoxy)pyridine.
  
• Heat the mixture to reflux for several hours, allowing the reaction to proceed.
  
• After the reaction is complete, allow the mixture to cool to room temperature and then precipitate the product by adding a polar solvent, such as ether or acetonitrile.
  

Step 3: Purification of the product

• Filter the precipitated product to remove any impurities.
  
• Wash the filter cake with a small amount of a polar solvent, such as ethanol or methanol, to remove any remaining impurities.
  
• Dry the product by removing any solvent remaining in the filter cake.
  

Step 4: Characterization of the product

• To confirm the identity of the product, a variety of analytical techniques, such as HPLC, TLC, and mass spectrometry, can be used.
  
• The purity of the product can be determined by HPLC or TLC.
  

Step 5: Storage and stability of the product

• Store the product in a cool, dry place, protected from light.
  
• The stability of the product can be determined by storing it under different conditions, such as at room temperature or in a sealed container.
  
• It is recommended to use the product within one year of its preparation to ensure maximum stability.
  

In conclusion, the synthesis of 9([1,1`-biphenyl]-4-yl)-10-broMo-2-phenylanthracene in the chemical industry involves the coupling of 4-bromo-2-methylphenylboronic acid and 2-(2,6-dimethylphenoxy)pyridine, followed by purification and characterization of the resulting product.
The synthesis of this compound can be useful in a variety of applications, such as in the development of new organic electronic materials.
The product should be stored properly to ensure its stability and maximum shelf life.