Chiral valerolactone derivatives

The invention relates to chiral valerolactone derivatives of the formula I I wherein R1 is C1-18 alkyl in which one or two non-adjacent -CH2 groups are optionally replaced by -O-, -CO-O-, -O-CO- or -S-, A is -H2-, -C-(CH3)2- or -CH2CH2, Sp is a spacer, which optionally contains a chiral carbon atom,...

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Bibliographische Detailangaben
Hauptverfasser:	REIFFENRATH, VOLKER, FINKENZELLER, ULRICH
Format:	Patent
Sprache:	eng
Schlagworte:	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:	The invention relates to chiral valerolactone derivatives of the formula I I wherein R1 is C1-18 alkyl in which one or two non-adjacent -CH2 groups are optionally replaced by -O-, -CO-O-, -O-CO- or -S-, A is -H2-, -C-(CH3)2- or -CH2CH2, Sp is a spacer, which optionally contains a chiral carbon atom, Z0 is -COO-, -CH2O-, -CH2CH2-, -C 3BOND C- or -CH 3BOND CH-, MG is a mesogenic group, and n and p are each 0 or 1, and the use thereof as components of liquid-crystalline media for electrooptical displays. The invention relates to chiral valerolactone derivatives of the formula I I wherein R1 is C1-18 alkyl in which one or two non-adjacent -CH2 groups are optionally replaced by -O-, -CO-O-, -O-CO- or -S-, A is -H2-, -C-(CH3)2- or -CH2CH2, Sp is a spacer, which optionally contains a chiral carbon atom, Z0 is -COO-, -CH2O-, -CH2CH2-, -C 3BOND C- or -CH 3BOND CH-, MG is a mesogenic group, and n and p are each 0 or 1, and the use thereof as components of liquid-crystalline media for electrooptical displays.