PROCESS FOR PREPARING 2,2-BIS-(4-HYDROXY-3-NITROPHENYL)- HEXAFLUOROPROPANE

摘要

of the disclosure: 2,2-Bis-(4-hydroxy-3-nitrophenyl)-hexafluoropropane (I) is prepared by nitrating 2,2-bis-(4-hydroxyphenyl)-hexa-fluoropropane ("bisphenol AF") with nitric acid in the absence of other acids. (I) is mainly an intermediate in the polymer field.