1,1 bis (3 hueniru 4 hidorokishihueniru) methane derivative

摘要

NEW MATERIAL:A compound shown by formula I (R1 is H, 1-6C alkyl or phenyl; R2 is phenyl, phenoxyphenyl or 7-11C alkoxyphenyl). EXAMPLE:1-Phenyl-1,1-bis(3'-phenyl-4-hydroxyphenyl)ethane. USE:Useful as a raw material for high polymers such as polycarbonate, epoxy resin, aromatic polyester, polyformal resin, polysulfone, etc. PREPARATION:For example, o-phenylphenol is reacted with an aldehyde or ketone shown by formula II in the presence of an acidic catalyst at 20-150 deg.C to give a compound shown by formula I.