| abstract |
This invention relates to 1,2-di(4-hydroxyaryl)tetrafluoroethanes of the general formula (I) n n n wherein n 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, n R 2 is C 1 -C 4 -alkyl, and n n is an integer from 0 to 4. n This invention further relates to the preparation of such compounds as well as to precursors and intermediates that can be used in their preparation. |