GB2227019B - Naphthyl compounds and their use in liquid crystal materials and devices - Google Patents

Naphthyl compounds and their use in liquid crystal materials and devices

Info

Publication number
GB2227019B
GB2227019B GB9000965A GB9000965A GB2227019B GB 2227019 B GB2227019 B GB 2227019B GB 9000965 A GB9000965 A GB 9000965A GB 9000965 A GB9000965 A GB 9000965A GB 2227019 B GB2227019 B GB 2227019B
Authority
GB
United Kingdom
Prior art keywords
devices
liquid crystal
crystal materials
naphthyl compounds
naphthyl
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
GB9000965A
Other versions
GB9000965D0 (en
GB2227019A (en
Inventor
George William Gray
Kenneth Johnson Toyne
David Lacey
Michael Hird
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
UK Secretary of State for Defence
Original Assignee
UK Secretary of State for Defence
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 UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Publication of GB9000965D0 publication Critical patent/GB9000965D0/en
Publication of GB2227019A publication Critical patent/GB2227019A/en
Application granted granted Critical
Publication of GB2227019B publication Critical patent/GB2227019B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles
    • C07C255/49—Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
    • C07C255/52—Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton to carbon atoms of six-membered aromatic rings being part of condensed ring systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C25/00—Compounds containing at least one halogen atom bound to a six-membered aromatic ring
    • C07C25/18—Polycyclic aromatic halogenated hydrocarbons
    • C07C25/22—Polycyclic aromatic halogenated hydrocarbons with condensed rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C25/00—Compounds containing at least one halogen atom bound to a six-membered aromatic ring
    • C07C25/24—Halogenated aromatic hydrocarbons with unsaturated side chains
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles
    • C07C255/49—Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
    • C07C255/54—Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing cyano groups and etherified hydroxy groups bound to the carbon skeleton
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C331/00—Derivatives of thiocyanic acid or of isothiocyanic acid
    • C07C331/16—Isothiocyanates
    • C07C331/28—Isothiocyanates having isothiocyanate groups bound to carbon atoms of six-membered aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C43/00—Ethers; Compounds having groups, groups or groups
    • C07C43/02—Ethers
    • C07C43/20—Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring
    • C07C43/225—Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring containing halogen
    • 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
    • C09K19/32—Non-steroidal liquid crystal compounds containing condensed ring systems, i.e. fused, bridged or spiro ring systems
    • C09K19/322—Compounds containing a naphthalene ring or a completely or partially hydrogenated naphthalene ring

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)
GB9000965A 1989-01-16 1990-01-16 Naphthyl compounds and their use in liquid crystal materials and devices Expired - Lifetime GB2227019B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898900870A GB8900870D0 (en) 1989-01-16 1989-01-16 Naphthyl liquid crystals

Publications (3)

Publication Number Publication Date
GB9000965D0 GB9000965D0 (en) 1990-03-14
GB2227019A GB2227019A (en) 1990-07-18
GB2227019B true GB2227019B (en) 1992-09-30

Family

ID=10650081

Family Applications (2)

Application Number Title Priority Date Filing Date
GB898900870A Pending GB8900870D0 (en) 1989-01-16 1989-01-16 Naphthyl liquid crystals
GB9000965A Expired - Lifetime GB2227019B (en) 1989-01-16 1990-01-16 Naphthyl compounds and their use in liquid crystal materials and devices

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB898900870A Pending GB8900870D0 (en) 1989-01-16 1989-01-16 Naphthyl liquid crystals

Country Status (1)

Country Link
GB (2) GB8900870D0 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2271771A (en) * 1992-10-22 1994-04-27 Merck Patent Gmbh Liquid crystalline naphthalenes
CA2269561C (en) * 1998-04-22 2007-06-05 Dainippon Ink And Chemicals, Inc. Naphthalene derivative and liquid crystal composition comprising the same
WO2000017287A1 (en) 1998-09-21 2000-03-30 Dainippon Ink And Chemicals, Inc. Nematic liquid crystal composition and liquid crystal display using the same
JP4961700B2 (en) 2005-09-08 2012-06-27 Ｊｎｃ株式会社 Naphthalene derivative having terminal hydrogen, liquid crystal composition containing the derivative, and liquid crystal display device containing the liquid crystal composition

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1435322A (en) * 1972-05-11 1976-05-12 Syntex Corp Process for preparing 2- 6-methoxy-2-naphthyl- propionic acid and intermediate therefor
DE3837208A1 (en) * 1987-11-11 1989-05-24 Merck Patent Gmbh Naphthylacetylenes

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1435322A (en) * 1972-05-11 1976-05-12 Syntex Corp Process for preparing 2- 6-methoxy-2-naphthyl- propionic acid and intermediate therefor
DE3837208A1 (en) * 1987-11-11 1989-05-24 Merck Patent Gmbh Naphthylacetylenes

Also Published As

Publication number Publication date
GB8900870D0 (en) 1989-03-08
GB9000965D0 (en) 1990-03-14
GB2227019A (en) 1990-07-18

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20040116