Kelly & Kelley, LLP
Method for producing 9,9-bis(3-phenyl-4-(2-hydroxyethoxy)phenyl)fluorene
A method for producing 9,9-bis(3-phenyl-4-(2-hydroxyethoxy)phenyl)fluorene is provided. The method includes the steps of: performing a condensation reaction with fluorenone and 2-[(2-phenyl)phenoxy]ethanol in the presence of a catalyst and co-catalyst, wherein the catalyst is alkylsulfonic acid, and the co-catalyst is a mercapto-containing compound, thereby effectively reducing the formation of a by-product, such that the product has characteristics of low chroma, high purity, and high yield.
CHINA PETROCHEMICAL DEVELOPMENT CORPORATION
B C B C B C B C
B01J C07C B01J C07C B01J C07C B01J C07C
inventional inventional additional additional inventional additional additional inventional
Ding-Chi Wei-Ying Chih-Wei Yu-Sen
Huang Li Chang Chen