JP2649339B

New polyhalogenoaromatic compounds of Formula I I wherein Y and Z are each independently alkyl, alkoxy or alkanoyl each of 1 to 12 C atoms, -COOR1, -O-CO-R1, CN, NO2, NH2 or OH; Q is one or two identical or different radicals selected from Ph, Cy, 1,4-bicyclo[2,2,2]octylene or 1,3-dioxane-2,5-diyl;...

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Bibliographische Detailangaben
Hauptverfasser:	MIHAERU REMERU, GEORUKU UEEBERU, RUDORUFU AIDENSHINKU
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS ADHESIVES ADVERTISING CHEMISTRY CRYPTOGRAPHY DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING DISPLAY DISPLAYING DYES EDUCATION FREQUENCY-CHANGING HETEROCYCLIC COMPOUNDS LABELS OR NAME-PLATES MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS ORGANIC CHEMISTRY PAINTS PHYSICS POLISHES SEALS SIGNS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	New polyhalogenoaromatic compounds of Formula I I wherein Y and Z are each independently alkyl, alkoxy or alkanoyl each of 1 to 12 C atoms, -COOR1, -O-CO-R1, CN, NO2, NH2 or OH; Q is one or two identical or different radicals selected from Ph, Cy, 1,4-bicyclo[2,2,2]octylene or 1,3-dioxane-2,5-diyl; X1 to X4 are each independently H, F, Cl or Br; R1 is alkyl of 1 to 4 C atoms, Ph-R2 or Cy-R2; R2 is alkyl or alkoxy each of 1-12 C atoms or CN; Ph is 1,4-phenylene; and Cy is 1,4-cyclohexylene, can be used as components of liquid-crystal dielectrics.