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1. US6187393 - Liquid crystal alkenyl bicyclo[2.2.2]octanes and mixtures and devices containing such compounds

Office United States of America
Application Number 09269110
Application Date 19.03.1999
Publication Number 6187393
Publication Date 13.02.2001
Grant Number 6187393
Grant Date 13.02.2001
Publication Kind B1
IPC
C07C 43/188
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
43Ethers; Compounds having groups, groups or groups
02Ethers
18having an ether-oxygen atom bound to a carbon atom of a ring other than a six-membered aromatic ring
188Unsaturated ethers
C09K 19/32
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
KMATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
19Liquid crystal materials
04characterised by the chemical structure of the liquid crystal components
06Non-steroidal liquid crystal compounds
32containing condensed ring systems, i.e. fused, bridged or spiro ring systems
C07D 239/26
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
239Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
02not condensed with other rings
24having three or more double bonds between ring members or between ring members and non-ring members
26with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
C07D 319/06
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
319Heterocyclic compounds containing six-membered rings having two oxygen atoms as the only ring hetero atoms
041,3-Dioxanes; Hydrogenated 1,3-dioxanes
06not condensed with other rings
C07C 43/00
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
43Ethers; Compounds having groups, groups or groups
C07D 239/34
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
239Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
02not condensed with other rings
24having three or more double bonds between ring members or between ring members and non-ring members
28with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
32One oxygen, sulfur or nitrogen atom
34One oxygen atom
CPC
C09K 19/3469
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
19Liquid crystal materials
04characterised by the chemical structure of the liquid crystal components ; , e.g. by a specific unit
06Non-steroidal liquid crystal compounds
34containing at least one heterocyclic ring
3441having nitrogen as hetero atom
345the heterocyclic ring being a six-membered aromatic ring containing two nitrogen atoms
3458Uncondensed pyrimidines
3469Pyrimidine with a specific end-group other than alkyl, alkoxy or -C*-
C07C 43/215
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
43Ethers; Compounds having groups, groups or groups
02Ethers
20having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring
215having unsaturation outside the six-membered aromatic rings
C07C 69/533
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
69Esters of carboxylic acids; Esters of carbonic or haloformic acids
52Esters of acyclic unsaturated carboxylic acids having the esterified carboxyl group bound to an acyclic carbon atom
533Monocarboxylic acid esters having only one carbon-to-carbon double bond
C07C 2602/44
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
2602Systems containing two condensed rings
36the rings having more than two atoms in common
44the bicyclo ring system containing eight carbon atoms
C07D 239/34
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
239Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
02not condensed with other rings
24having three or more double bonds between ring members or between ring members and non-ring members
28with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
32One oxygen, sulfur or nitrogen atom
34One oxygen atom
C07D 319/06
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
319Heterocyclic compounds containing six-membered rings having two oxygen atoms as the only ring hetero atoms
041,3-Dioxanes; Hydrogenated 1,3-dioxanes
06not condensed with other rings
Applicants The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland
Inventors Duffy, Warren L.
Kelly, Stephen M
Goodby, John W
Agents Nixon & Vanderhye
Priority Data 9620108 26.09.1996 GB
Title
(EN) Liquid crystal alkenyl bicyclo[2.2.2]octanes and mixtures and devices containing such compounds
Abstract
(EN)

Compounds of formula (I)

are provided which are particularly useful in super twisted nematic devices, where n may be 0-5; m may be 0-5; p may be 1-9; q may be 1, 1, or 2; A1, A2are independently chosen from 1-4, -disubstituted benzene, 2,5-disubstituted pyrimidine, or 2,5-disubstituted pyridine, trans- 1,4-disubstituted cyclohexane, trans- 2,5-disubstitued dioxane. The aromatic rings may be laterally substituted with F, Cl, Br or CN; Z1may be O, COO, OOC; Z2, Z3are independent chosen from a direct bond, COO, OOC, C2H4, CH2O, OCH2, or -c≡c-, provided that when Z1is O and m is 1, 3 or 5 the carbon—carbon double bond configuration is E; provided that when Z1is O and m is 2 or 4 the carbon—carbon double bond configuration is Z; provided that when Z1is COO or OOC and m is 0, 2 or 4 the carbon—carbon double bond configuration is E; and provided that when Z1is COO or OOC and m is 1, 3 or 5 the carbon—carbon double bond configuration is Z.