6-Fluorphenanthridin-Derivate und ihre Verwendung in flüssigkristallinen Mischungen

摘要

Derivatives of 6-fluorophenanthridine of formula (I), in which G means -CF=N-; E<1>, E<2>, E<3>, E<4>, E<5>, E<6> are identical or different and mean -CH-, -CF- or -N-; and R<1> (-A<1>-M<1>)a(-A<2>-M<2>)b, (M<3>-A<3>)c(M<4>-A<4>-)dR<2> mean mesogene radicals, are suitable as components for liquid crystal, in particular ferro-electric mixtures.