FLUORHALTIGE VERBINDUNGEN AUF BASIS VON 4,4'-BIS (2-(4-HYDROXY-PHENYL) HEXAFLUORISOPROPYL) DIPHENYLETHER, VERFAHREN ZU IHRER HERSTELLUNG UND IHRE VERWENDUNG.

摘要

New fluorine-contg. cpds. based upon 4,4'-bis(2-(4-hydroxyphenyl)- hexafluoroisopropyl)diphenyl ether of formula A-C(CF3)2-p-C6H4-O-p-C6H4-C(CF3)2A (I) are claimed. In (I), A is the group of formula (i) or (ii) where R1, R2 independently are H, NO2, NH2 but R1 = H when R2 = NO2 or NH2 and vice versa; R3 = H or halogen. X = NO2, NH2. 4,4'-bis(2-(4'-hydroxyphenyl) hexafluoroisopropyl)diphenyl ether dissolved in an aprotic organic solvent with at least a stoichiometric amount of base, and halonitrobenzene, dihalonitrobenzene or dinitrobenzene, at 50-200 deq. C to give the nitrophenyl deriv. or by nitration with nitrating mixt. at -10 +50 deg. C, followed if necessary without isolation, by reduction to the amin-deriv. Ratio of diphenyl ether to amine-cpd. is 1:2-3, pref. 1:2.1-2.4 by moles. Inorqanic base, e.q. KOH, KH, K2CO3 used in ratio 1:2-4 with diphenyl ether.