GB2400604B - Dibenzothiophene compounds, dibenzothiophene oxide compounds and methods for producing the same - Google Patents

Dibenzothiophene compounds, dibenzothiophene oxide compounds and methods for producing the same

Info

Publication number
GB2400604B
GB2400604B GB0415658A GB0415658A GB2400604B GB 2400604 B GB2400604 B GB 2400604B GB 0415658 A GB0415658 A GB 0415658A GB 0415658 A GB0415658 A GB 0415658A GB 2400604 B GB2400604 B GB 2400604B
Authority
GB
United Kingdom
Prior art keywords
dibenzothiophene
compounds
producing
methods
same
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 - Fee Related
Application number
GB0415658A
Other versions
GB0415658D0 (en
GB2400604A (en
Inventor
Chizu Sekine
Masamitsu Ishitobi
Koichi Fujisawa
Kazunori Iwakura
Masayoshi Minai
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.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical Co Ltd
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
Priority claimed from JP2001052954A external-priority patent/JP2002255960A/en
Application filed by Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Priority claimed from GB0202907A external-priority patent/GB2380192B8/en
Publication of GB0415658D0 publication Critical patent/GB0415658D0/en
Publication of GB2400604A publication Critical patent/GB2400604A/en
Application granted granted Critical
Publication of GB2400604B publication Critical patent/GB2400604B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • C09K19/34—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring
    • C09K19/3491—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having sulfur as hetero atom
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
    • C07D333/50—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
    • C07D333/76—Dibenzothiophenes
    • 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
    • C09K2019/0488—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit characterized by a special bonding
    • C09K2019/0496—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit characterized by a special bonding the special bonding being a specific pi-conjugated group

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)
GB0415658A 2001-02-09 2002-02-07 Dibenzothiophene compounds, dibenzothiophene oxide compounds and methods for producing the same Expired - Fee Related GB2400604B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2001033782 2001-02-09
JP2001037311 2001-02-14
JP2001052954A JP2002255960A (en) 2001-02-27 2001-02-27 Dibenzothiophene compound, intermediate and method for producing the same
GB0202907A GB2380192B8 (en) 2001-02-09 2002-02-07 Phenylacetylene compounds liquid crystal compositions polymers optically anisotropic products & optical & liquid crystal elements derived therefrom

Publications (3)

Publication Number Publication Date
GB0415658D0 GB0415658D0 (en) 2004-08-18
GB2400604A GB2400604A (en) 2004-10-20
GB2400604B true GB2400604B (en) 2005-08-17

Family

ID=33033225

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0415658A Expired - Fee Related GB2400604B (en) 2001-02-09 2002-02-07 Dibenzothiophene compounds, dibenzothiophene oxide compounds and methods for producing the same

Country Status (1)

Country Link
GB (1) GB2400604B (en)

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
Acta Chemica Scandinavica, 1997, Vol. 51(4), pages 492-500, see compound (12) on page 499 (1st incomplete paragraph) *
J. Am. Chem. Soc., 1966, Vol. 88(4), pages 733-737, see pages 734 ( paragraph titled Electronic Absorption Spectra) & 735 (table II, last entry, ie 3,7-dibromo-4-methyl-dibenzothiophene) *
Organohalogen Compounds, 1994, Vol. 19(Dioxin '94), pages 133-135, se especially page 135 (scheme 1, product of reaction 2) *
Phosphorus and Sulfur and the Related Elements, 1988, Vol. 35(1-2), pages 67-70, see page 67 (figure 1, compound I) and experimental section *
Tetrahedron, 1968, Vol. 24(10), pages 3997-4005, see compounds III, VII & VIII, eg on page 3998 *

Also Published As

Publication number Publication date
GB0415658D0 (en) 2004-08-18
GB2400604A (en) 2004-10-20

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20150207