This invention relates to 1,2-di(4-hydroxyaryl)tetrafluoroethanes of the general formula (I)
1
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.
这项发明涉及通式(I)1的1,2-二(
4-羟基芳基)四
氟乙烷,其中R分别是氢、F、Cl、Br、I、CN、COOR2、C1-C4-烷基、C1-C4-烷氧基、C1-C4-烷
硫基、C1-C4-
全氟烷基、C1-C4-
全氟烷氧基、C1-C4-
全氟烷
硫基、C1-C4-多氟烷基、C1-C4-多氟烷氧基或C1-C4-多氟烷
硫基,R2是C1-C4-烷基,n是从0到4的整数。这项发明还涉及制备这类化合物以及可用于其制备的前体和中间体。