The Production Process of 2-Bromo-9,9-diphenylfluorene

The production process of 2-bromo-9,9-diphenylfluorene is a complex multi-step process that involves various chemical reactions and purification steps.
In the chemical industry, the production of 2-bromo-9,9-diphenylfluorene is a critical process that is used in the production of various chemicals and materials.
In this article, we will discuss the production process of 2-bromo-9,9-diphenylfluorene in detail.

Step 1: Synthesis of 2,3-dibromophenyl acetate
The first step in the production of 2-bromo-9,9-diphenylfluorene is the synthesis of 2,3-dibromophenyl acetate.
This compound is synthesized by reacting phenyl acetate with bromine in the presence of a solvent such as acetone.
The reaction is exothermic, and careful handling is required to avoid excessive heat generation.

Step 2: Synthesis of 2-(2,3-dibromophenyl)ethanol
The next step in the production of 2-bromo-9,9-diphenylfluorene is the synthesis of 2-(2,3-dibromophenyl)ethanol.
This compound is synthesized by reacting 2,3-dibromophenyl acetate with ethylene glycol in the presence of a solvent such as sodium hydroxide.
The reaction is catalyzed by a strong base such as sodium hydroxide, and the solvent is used to control the reaction temperature.

Step 3: Synthesis of 2,3-dibromofluorene
The next step in the production of 2-bromo-9,9-diphenylfluorene is the synthesis of 2,3-dibromofluorene.
This compound is synthesized by reacting 2-(2,3-dibromophenyl)ethanol with hydrogen bromide in the presence of a solvent such as acetic acid.
The reaction is exothermic, and the solvent is used to control the reaction temperature.

Step 4: Synthesis of 9,9-dibromo-2,3,5,6-tetrafluoro-1,4-benzoxazepine
The next step in the production of 2-bromo-9,9-diphenylfluorene is the synthesis of 9,9-dibromo-2,3,5,6-tetrafluoro-1,4-benzoxazepine.
This compound is synthesized by reacting 2,3-dibromofluorene with potassium permanganate in the presence of a solvent such as benzene.
The reaction is exothermic, and the solvent is used to control the reaction temperature.

Step 5: Synthesis of 2-(9,9-dibromo-2,3,5,6-tetrafluor-1,4-benzoxazepin-1-yl)benzene
The next step in the production of 2-bromo-9,9-diphenylfluorene is the synthesis of 2-(9,9-dibromo-2,3,5,6-tetrafluor-1,4-benzoxazepin-1-yl)benzene.
This compound is synthesized by reacting 9,9-dibromo-2,3,5,6-tetrafluoro-1,4-benzoxazepine with benzene in the presence of a solvent such as sodium hydroxide.
The reaction is catalyzed by a strong acid such as sodium hydroxide, and the solvent is used to control the