9,9-Bis(4-hydroxyphenyl)fluorene → HCID 131730505, compound

Participants

Reaction Steps

8.75 g (0.05 mol) of α,α′-dimethoxy-p-xylene, 26.66 g of aluminum chloride, and 200 g of γ-butyrolactone are introduced into a 1 l 4-neck flask mounted with a mechanical stirrer, a condenser, a 300 ml dropping funnel, and a nitrogen gas-introduction tube with inflowing nitrogen gas, and sufficiently stirred. After 10 minutes, a solution in which 35.03 g (0.10 mol) of 4,4′-(9-fluorenylidene)diphenol is dissolved in 200 g of γ-butyrolactone is slowly dripped for 30 minutes and reacted for 12 hours. After completing the reaction, the acid is removed using water and condensed by an evaporator. Then it is diluted using methylamylketone (MAK) and methanol to provide a solution of MAK/methanol=4/1 (weight ratio) in a concentration of 15 wt %. The solution is introduced into a 31 separate funnel and added with n-heptane to remove a low molecular body including a monomer. A polymer (Mw=10,000, polydispersity=2.0) represented by the following Chemical Formula 1A is provided.

Provenance & Evidence