FIELD: indicators in electrooptical devices. SUBSTANCE: chlorodifluoromethoxy phenyl derivatives of formula I wherein A1 and A2 are 1,4-cyclohexyl, trans-1,3- dioxane-2,5-diyl, tetrahydroquinoline, pyridin-2,5-diyl, unsubstituted 1,4-phenyl, Z1 and Z2 are single bond, -CH2O,, COO, OOC, C ≡ C, R is alkyl, X1 is hydrogen, X2 and X3 are hydrogen and fluorine provided that when A2 is heteroaromatic, then A1 is unsaturated. Liquid crystalline composition comprises 10-35 wt% of compound of formula I. EFFECT: improved properties of the liquid crystalline composition for electrooptical devices based thereon. 2 tbl
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Authors
Dates
1996-12-10—Published
1993-08-19—Filed