ATE874T1 - DIKETONES, PROCESSES FOR THEIR PRODUCTION AND THEIR USE AS COMPONENTS OF LIQUID CRYSTALLINE DIELECTRICS. - Google Patents

DIKETONES, PROCESSES FOR THEIR PRODUCTION AND THEIR USE AS COMPONENTS OF LIQUID CRYSTALLINE DIELECTRICS.

Info

Publication number
ATE874T1
ATE874T1 AT80101582T AT80101582T ATE874T1 AT E874 T1 ATE874 T1 AT E874T1 AT 80101582 T AT80101582 T AT 80101582T AT 80101582 T AT80101582 T AT 80101582T AT E874 T1 ATE874 T1 AT E874T1
Authority
AT
Austria
Prior art keywords
diketones
liquid crystalline
processes
production
components
Prior art date
Application number
AT80101582T
Other languages
German (de)
Inventor
Rudolf Dr. Eidenschink
Ludwig Dr. Pohl
Original Assignee
Merck Patent Gesellschaft Mit Beschraenkter Haftung
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Merck Patent Gesellschaft Mit Beschraenkter Haftung filed Critical Merck Patent Gesellschaft Mit Beschraenkter Haftung
Application granted granted Critical
Publication of ATE874T1 publication Critical patent/ATE874T1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
    • C09K19/30—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing saturated or unsaturated non-aromatic rings, e.g. cyclohexane rings
    • C09K19/3001—Cyclohexane rings
    • C09K19/3003—Compounds containing at least two rings in which the different rings are directly linked (covalent bond)
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/45—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation
    • C07C45/455—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation with carboxylic acids or their derivatives
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/76—Ketones containing a keto group bound to a six-membered aromatic ring
    • C07C49/782—Ketones containing a keto group bound to a six-membered aromatic ring polycyclic
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/76—Ketones containing a keto group bound to a six-membered aromatic ring
    • C07C49/782—Ketones containing a keto group bound to a six-membered aromatic ring polycyclic
    • C07C49/792—Ketones containing a keto group bound to a six-membered aromatic ring polycyclic containing rings other than six-membered aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/76—Ketones containing a keto group bound to a six-membered aromatic ring
    • C07C49/80—Ketones containing a keto group bound to a six-membered aromatic ring containing halogen
    • C07C49/813—Ketones containing a keto group bound to a six-membered aromatic ring containing halogen polycyclic
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/76—Ketones containing a keto group bound to a six-membered aromatic ring
    • C07C49/84—Ketones containing a keto group bound to a six-membered aromatic ring containing ether groups, groups, groups, or groups
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
    • C09K19/10—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings
    • C09K19/12—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings at least two benzene rings directly linked, e.g. biphenyls

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Liquid Crystal Substances (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

Diketones of the formula <IMAGE> wherein R1 is alkyl, perfluoroalkyl or alkoxy, each of 1-18 carbon atoms; R2 is alkyl or perfluoroalkyl, each of 1-12 carbon atoms; and X is 1,4-trans-cyclohexylene, 1,4-phenylene or 4,4'-cyclohexylphenyl are liquid crystalline compounds.
AT80101582T 1979-05-10 1980-03-26 DIKETONES, PROCESSES FOR THEIR PRODUCTION AND THEIR USE AS COMPONENTS OF LIQUID CRYSTALLINE DIELECTRICS. ATE874T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19792918775 DE2918775A1 (en) 1979-05-10 1979-05-10 DIKETONES, METHOD FOR THE PRODUCTION THEREOF AND THEIR USE AS COMPONENT LIQUID CRYSTAL IN DIELECTRICS
EP80101582A EP0019060B1 (en) 1979-05-10 1980-03-26 Diketones, process for their preparation and their use as components of liquid-crystalline dielectrics

Publications (1)

Publication Number Publication Date
ATE874T1 true ATE874T1 (en) 1982-05-15

Family

ID=6070343

Family Applications (1)

Application Number Title Priority Date Filing Date
AT80101582T ATE874T1 (en) 1979-05-10 1980-03-26 DIKETONES, PROCESSES FOR THEIR PRODUCTION AND THEIR USE AS COMPONENTS OF LIQUID CRYSTALLINE DIELECTRICS.

Country Status (8)

Country Link
US (2) US4297515A (en)
EP (1) EP0019060B1 (en)
JP (1) JPS55151531A (en)
AT (1) ATE874T1 (en)
DD (1) DD150625A5 (en)
DE (2) DE2918775A1 (en)
HK (1) HK46682A (en)
SG (1) SG57282G (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2918775A1 (en) * 1979-05-10 1980-11-20 Merck Patent Gmbh DIKETONES, METHOD FOR THE PRODUCTION THEREOF AND THEIR USE AS COMPONENT LIQUID CRYSTAL IN DIELECTRICS
DE3206269A1 (en) * 1982-02-20 1983-09-01 Merck Patent Gmbh, 6100 Darmstadt BICYCLOHEXYL DERIVATIVES
DE3208089A1 (en) * 1982-03-06 1983-09-08 Merck Patent Gmbh, 6100 Darmstadt HALOGEN BIPHENYL DERIVATIVES
EP0090548B1 (en) * 1982-03-26 1987-11-11 Chisso Corporation Liquid-crystalline compounds
US4536321A (en) * 1983-02-18 1985-08-20 Chisso Corporation Fluorobenzene derivatives and liquid crystal compositions containing the same
DE3332690A1 (en) * 1983-09-10 1985-03-28 Merck Patent Gmbh, 6100 Darmstadt LIQUID CRYSTAL MIXTURE AND NEW ANISOTROPICAL COMPOUNDS FOR THIS
FR2561250B1 (en) * 1984-03-16 1987-03-06 Thomson Csf ORGANIC COMPOUND HAVING A SMECTIC PHASE A, MIXTURE COMPRISING THE SAME AND MANUFACTURING METHOD
DE3617431A1 (en) * 1986-05-23 1987-11-26 Merck Patent Gmbh CYCLOHEXANDERIVATE
DE3714043A1 (en) * 1987-04-28 1988-11-17 Merck Patent Gmbh ELECTROOPTIC LIQUID CRYSTAL DISPLAY ELEMENT
US5081308A (en) * 1988-12-15 1992-01-14 Ici Americas Inc. Ultraviolet radiation absorbing compositions of bis-1,3-diketone derivatives of cyclohexane
GB8909766D0 (en) * 1989-04-28 1989-06-14 Merck Patent Gmbh Mesogenic compounds with a trifluoroalkyl terminal group
EP0416564A3 (en) * 1989-09-05 1992-03-11 Kao Corporation Novel aroyl ketone derivative, uv ray absorber comprising the same, and cosmetic composition containing the same
US5458806A (en) * 1993-01-22 1995-10-17 Merck Patent Gesellschaft Mit Beschrankter Haftung Fluoromethyl ketones and liquid-crystalline media
JPH09179086A (en) * 1995-12-27 1997-07-11 Toshiba Corp Liquid crystal display element
US5936129A (en) * 1997-02-21 1999-08-10 Henkel Corporation Process for making sterically-hindered β-diketones
DE10135027A1 (en) * 2001-07-18 2003-02-06 Solvay Pharm Gmbh Use of trifluoroacetylalkyl-substituted phenyl, phenol and benzoyl derivatives in the treatment and / or prophylaxis of Obestias and its concomitant and / or secondary diseases
DE102007055554B4 (en) 2007-11-21 2016-10-20 Christian Oliver Eidenschink Use of a lubricant to reduce friction losses between moving solids in machine bearings or for lubricating pistons of high-speed internal combustion engines

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2856418A (en) * 1947-11-13 1958-10-14 Calvin Melvin Separation process for transuranic element and compounds thereof
US3742062A (en) * 1970-09-04 1973-06-26 Kerr Mc Gee Corp Fluorinated beta-diketones
BE787198A (en) 1971-08-07 1973-02-05 Merck Patent Gmbh NEMATIC COMPOUNDS AND MIXTURES
JPS5328410B2 (en) * 1971-12-27 1978-08-15
BE795849A (en) 1972-02-26 1973-08-23 Merck Patent Gmbh MODIFIED NEMATIC PHASES
US3814700A (en) 1972-08-03 1974-06-04 Ibm Method for controllably varying the electrical properties of nematic liquids and dopants therefor
US4011173A (en) * 1972-08-03 1977-03-08 Merck Patent Gesellschaft Mit Beschrankter Haftung Modified nematic mixtures with positive dielectric anisotropy
GB1433130A (en) * 1972-11-09 1976-04-22 Secr Defence Substituted biphenyl and polyphenyl compounds and liquid crystal materials and devices containing them
SE409724B (en) 1972-11-09 1979-09-03 Secr Defence Brit LIQUID CRYSTAL COMPOSITION
DE2337396A1 (en) * 1973-07-23 1975-02-13 Hoechst Ag PROCESS FOR PRODUCING AROMATIC 1,3-DIKETONE
US3983049A (en) * 1974-05-02 1976-09-28 General Electric Company Liquid crystal compositions with positive dielectric anisotropy
DE2450088A1 (en) 1974-10-22 1976-04-29 Merck Patent Gmbh Liquid crystalline dielectrics for electronic components - contg biphenylyl carboxylic acid phenyl ester or benzoic acid biphenylyl ester components
DE2451006A1 (en) * 1974-10-26 1976-04-29 Hoechst Ag Benzoyl acetone derivs as extractants for metals - used esp for copper extn from acid or ammoniacal solns
US3994869A (en) 1975-02-18 1976-11-30 Ici United States Inc. Photodegradable polyolefins containing aryl-substituted 1,3-diones
US4154692A (en) * 1976-04-15 1979-05-15 Mcelveen John B Flame retardant process, solution and structures
FR2356695A1 (en) 1976-06-28 1978-01-27 Rhone Poulenc Ind Colourless, transparent, heat stabilised PVC - contg. metal salts, diketone (deriv.) and polyol
DE2636684C3 (en) * 1976-08-14 1980-06-19 Merck Patent Gmbh, 6100 Darmstadt Phenylcyclohexane derivatives and their use in liquid-crystalline dielectrics
DE2701591C3 (en) * 1977-01-15 1979-12-20 Merck Patent Gmbh, 6100 Darmstadt Hexahydroterphenyl derivatives and their use in liquid crystalline dielectrics
DE2800553A1 (en) * 1978-01-07 1979-07-12 Merck Patent Gmbh CYCLOHEXAN DERIVATIVES
GB2031010B (en) * 1978-09-13 1983-02-09 Secr Defence Liquid crystal materials
SU779380A1 (en) * 1978-11-02 1980-11-15 Предприятие П/Я А-7850 Material for making pyroelectric transducer
DE2918775A1 (en) * 1979-05-10 1980-11-20 Merck Patent Gmbh DIKETONES, METHOD FOR THE PRODUCTION THEREOF AND THEIR USE AS COMPONENT LIQUID CRYSTAL IN DIELECTRICS
DE2927277A1 (en) * 1979-07-06 1981-01-08 Merck Patent Gmbh CYCLOHEXYLBIPHENYLE, METHOD FOR THE PRODUCTION THEREOF, THESE DIELECTRICS AND ELECTRO-OPTICAL DISPLAY ELEMENT
US4293193A (en) * 1979-08-15 1981-10-06 Temple University Amine-substituted liquid crystal compositions

Also Published As

Publication number Publication date
DE2918775A1 (en) 1980-11-20
DD150625A5 (en) 1981-09-09
US4297515A (en) 1981-10-27
JPS55151531A (en) 1980-11-26
US4382012A (en) 1983-05-03
JPS6358815B2 (en) 1988-11-17
DE3060299D1 (en) 1982-06-03
SG57282G (en) 1985-02-01
EP0019060A1 (en) 1980-11-26
EP0019060B1 (en) 1982-04-21
HK46682A (en) 1982-11-19

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