The Production Process of Bis-(9,9-diMethyl-9H-fluoren-2-yl)-aMine

The production process of Bis-(9,9-diMethyl-9H-fluoren-2-yl)-aMine, also known as α-Naphthyl-β-amino-α-methyl-stilbene, is a complex and multi-step chemical reaction that involves various chemicals and solvents.
The compound is used in a variety of applications in the chemical industry, including as a component in the production of flexible plastics, as a UV filter in sunscreens, and as a fluorescent whitening agent in paper and textiles.

The production process of Bis-(9,9-diMethyl-9H-fluoren-2-yl)-aMine involves several different stages, including the preparation of the starting materials, the actual synthesis of the compound, and the purification and isolation of the final product.

Step 1: Preparation of the starting materials

The production of Bis-(9,9-diMethyl-9H-fluoren-2-yl)-aMine begins with the preparation of the starting materials, which include the compound 9,9-diMethyl-9H-fluoren-2-one.
This compound is synthesized by a similar process to the production of Bis-(9,9-diMethyl-9H-fluoren-2-yl)-aMine, and involves the reaction of fluorene with formaldehyde in the presence of a solvent such as dichloromethane.

Step 2: Synthesis of Bis-(9,9-diMethyl-9H-fluoren-2-yl)-aMine

Once the starting materials are prepared, the next step in the production process is the synthesis of Bis-(9,9-diMethyl-9H-fluoren-2-yl)-aMine.
This involves a complex series of chemical reactions, including the condensation of the 9,9-diMethyl-9H-fluoren-2-one with α-Naphthylamine in the presence of a solvent such as pyridine.
The reaction is catalyzed by a strong acid catalyst, such as hydrochloric acid, and involves the formation of a nitrogen bridge between the two reactants.

Step 3: Purification and isolation of Bis-(9,9-diMethyl-9H-fluoren-2-yl)-aMine

After the synthesis of Bis-(9,9-diMethyl-9H-fluoren-2-yl)-aMine, the final product must be purified and isolated from any impurities that may have been introduced during the synthesis process.
This is typically done through the use of chromatography, which involves the separation of the compound from other molecules based on their physical and chemical properties.

Overall, the production process of Bis-(9,9-diMethyl-9H-fluoren-2-yl)-aMine is a complex and multi-step process that involves the preparation of starting materials, the synthesis of the compound, and the purification and isolation of the final product.
The process requires the use of various chemicals and solvents and is typically carried out in a specialized chemical plant or laboratory setting.