Fluorine-containing bisphenols, their preparation, their precursors and intermediates, and use of the fluorine-containing bisphenols
申请人:Marhold Albrecht
公开号:US20070270618A1
公开(公告)日:2007-11-22
This invention relates to 1,2-di(4-hydroxyaryl)tetrafluoroethanes of the general formula (I)
wherein
R are each, independently of one another, hydrogen, F, Cl, Br, I, CN, COOR
2
, C
1
-C
4
-alkyl, C
1
-C
4
-alkoxy, C
1
-C
4
-alkylthio, C
1
-C
4
-perfluoroalkyl, C
1
-C
4
-perfluoroalkoxy, C
1
-C
4
-perfluoroalkylthio, C
1
-C
4
-polyfluoroalkyl, C
1
-C
4
-polyfluoroalkoxy, or C
1
-C
4
-polyfluoroalkylthio,
R
2
is C
1
-C
4
-alkyl, and n is an integer from 0 to 4. This invention further relates to the preparation of such compounds as well as to precursors and intermediates that can be used in their preparation.