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1. WO2000039062 - LIQUID CRYSTALLINE TRIFLUORO-SUBSTITUTED COMPOUNDS

Publication Number WO/2000/039062
Publication Date 06.07.2000
International Application No. PCT/GB1999/004292
International Filing Date 17.12.1999
Chapter 2 Demand Filed 08.07.2000
IPC
C07C 17/26 2006.01
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
17Preparation of halogenated hydrocarbons
26by reactions involving an increase in the number of carbon atoms in the skeleton
C07C 17/269 2006.01
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
17Preparation of halogenated hydrocarbons
26by reactions involving an increase in the number of carbon atoms in the skeleton
263by condensation reactions
269of only halogenated hydrocarbons
C07C 17/354 2006.01
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
17Preparation of halogenated hydrocarbons
35by reactions not affecting the number of carbon or halogen atoms in the molecules
354by hydrogenation
C07C 22/00 2006.01
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
22Cyclic compounds containing halogen atoms bound to an acyclic carbon atom
C07C 22/08 2006.01
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
22Cyclic compounds containing halogen atoms bound to an acyclic carbon atom
02having unsaturation in the rings
04containing six-membered aromatic rings
08containing fluorine
C07C 45/29 2006.01
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
45Preparation of compounds having C=O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
27by oxidation
29of hydroxy groups
CPC
C07C 17/2635
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
17Preparation of halogenated hydrocarbons
26by reactions involving an increase in the number of carbon atoms in the skeleton
263by condensation reactions
2635involving a phosphorus compound, e.g. Wittig synthesis
C07C 17/269
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
17Preparation of halogenated hydrocarbons
26by reactions involving an increase in the number of carbon atoms in the skeleton
263by condensation reactions
269of only halogenated hydrocarbons
C07C 17/354
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
17Preparation of halogenated hydrocarbons
35by reactions not affecting the number of carbon or of halogen atoms in the reaction
354by hydrogenation
C07C 22/00
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
22Cyclic compounds containing halogen atoms bound to an acyclic carbon atom
C07C 22/08
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
22Cyclic compounds containing halogen atoms bound to an acyclic carbon atom
02having unsaturation in the rings
04containing six-membered aromatic rings
08containing fluorine
C07C 45/292
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
45Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
27by oxidation
29of hydroxy groups
292with chromium derivatives
Applicants
  • THE SECRETARY OF STATE FOR DEFENCE [GB/GB]; Defence Evaluation and Research Agency A4 Bldg, Ively Road Farnborough Hampshire GU14 0LX, GB (AllExceptUS)
  • KELLY, Stephen, Malcolm [GB/GB]; GB (UsOnly)
  • SKELTON, Graham, William [GB/GB]; GB (UsOnly)
Inventors
  • KELLY, Stephen, Malcolm; GB
  • SKELTON, Graham, William; GB
Agents
  • BOWDERY, A., O.; D/IPD DERA Formalities A4 Bldg., Ively Road Farnborough Hampshire GU14 0LX, GB
Priority Data
9828427.624.12.1998GB
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) LIQUID CRYSTALLINE TRIFLUORO-SUBSTITUTED COMPOUNDS
(FR) COMPOSES CRISTALLINS LIQUIDES A DI-SUBSTITUTION TRIFLUORO
Abstract
(EN)
Compounds are provided of the formula for use in a range of liquid crystal display devices (formula I) wherein n may be 0, 1 or 2, A1, A2, A3 are independently chosen from 1,4-disubstituted benzene, 2,5-disubstituted pyridine, 2,6-disubstituted naphthalene; laterally substituted 1,4-disubstituted benzene, laterally substituted 2,5-disubstituted pyrimidine, laterally substituted 2,5-disubstituted pyridine, laterally substituted 2,5-disubstituted naphthalene wherein the lateral substituents are independently selected from F, CI, Br or CN and may be present in any of the available substitution positions; 1,4-disubstituted bicyclo(2.2.2)octane, $i(trans)-1,4-disubstituted cyclohexane, $i(trans)-2,5-disubstituted dioxane, 1,4-disubstituted piperidine, Z1, Z2 are independently chosen from a direct bond, COO, OOC, C2H4, CH2O, OCH2, C4H8, C3H6O, ($i(E))-CH=CHC2H4, ($i(Z))-CH2CH=CHCH2, ($i(E))-CH=CHCH2O, -C$m(0)C-, Z3 may be C4H8, OC3H6, ($i(E))-CH=CHC2H4, ($i(Z))-CH2CH=CHCH2, ($i(E))-OCH2CH=CH, -C$m(0)C-, C2H4; R may be alkyl, alkoxy, alkenyl, alkenyloxy, alkanoyloxy, alkenoyloxy or OCmF2m+1, R may contain 1 to 20 carbon atoms and may be branched or a straight chain m is 1-20.
(FR)
Ces composés correspondant à la formule suivante (I) s'utilisent avec des dispositifs d'affichage à cristaux liquides. Dans cette formule, la valeur de n peut être égale à 0, 1 ou 2, A1, A2, A3 sont choisis, de manière indépendante dans le groupe constitué par un benzène à disubstitution-1,4, une pyrimidine à disubstitution-2,5, une pyridine à disubstitution-2,6, un naphtalène à disubstitution-2,6, un benzène à disubstitution-1,4 disubstitué latéralement, une pyrimidine à disubstitution-2,5 disubstituée latéralement, une pyridine à disubstitution-2,5 disubstituée latéralement, un naphtalène à disubstitution-2,6 disubstitué latéralement, les substituants latéraux étant choisis, de manière indépendante, dans le groupe constitué par F, Cl, Br ou CN et pouvant se trouver dans n'importe quelle position de substitution disponible, un bicyclo(2.2.2)octane à disubstitution-1,4, un cyclohexane à disubstitution-1,4-$i(trans), un dioxane à disubstitution-2,5-$i(trans) et par une pipéridine à disubstitution-1,4, Z1 et Z2 sont issus, de manière indépendante, d'une liaison directe, COO, OOC, C2H4, OCH2, C4H8, C3H6O, ($i(E))-CH=CHC2H4, ($i(Z))-CH2CH=CHCH2, ($i(E))-CH-CHCH2O, -C=C-, Z3 peut représenter C4H8, OC3H6, ($i(E))-CH=CHC2, ($i(E))-OCH2CH'CH, -C=C- C2H4, R, qui peut représenter un alkyle, un alcoxy, un alcényle, un alcényloxy, un alcanoyloxy, un alcénoyloxy ou OCmF2m+1, peut porter de 1 à 20 atomes de carbone et constituer une chaîne ramifiée ou droite et la valeur de m est comprise entre 1 et 20.
Also published as
US09857624
Latest bibliographic data on file with the International Bureau