CH670639A5 - - Google Patents

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Publication number
CH670639A5
CH670639A5 CH56187A CH56187A CH670639A5 CH 670639 A5 CH670639 A5 CH 670639A5 CH 56187 A CH56187 A CH 56187A CH 56187 A CH56187 A CH 56187A CH 670639 A5 CH670639 A5 CH 670639A5
Authority
CH
Switzerland
Prior art keywords
crystalline
trans
liquid
formula
oxygen atom
Prior art date
Application number
CH56187A
Other languages
German (de)
English (en)
Inventor
Dietrich Prof Dr Demus
Horst Prof Dr Zaschke
Horst Dr Kresse
Wolfgang Dr Schaefer
Ulrich Rosenfeld
Heiko Stettin
Original Assignee
Werk Fernsehelektronik Veb
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 DD28759286A external-priority patent/DD247221A1/de
Priority claimed from DD28758186A external-priority patent/DD247694A1/de
Application filed by Werk Fernsehelektronik Veb filed Critical Werk Fernsehelektronik Veb
Publication of CH670639A5 publication Critical patent/CH670639A5/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D285/00—Heterocyclic compounds containing rings having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by groups C07D275/00 - C07D283/00
    • C07D285/01—Five-membered rings
    • C07D285/02—Thiadiazoles; Hydrogenated thiadiazoles
    • C07D285/04—Thiadiazoles; Hydrogenated thiadiazoles not condensed with other rings
    • C07D285/12—1,3,4-Thiadiazoles; Hydrogenated 1,3,4-thiadiazoles
    • 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
    • C09K19/3497—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having sulfur as hetero atom the heterocyclic ring containing sulfur and nitrogen atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Nitrogen- Or Sulfur-Containing Heterocyclic Ring Compounds With Rings Of Six Or More Members (AREA)
CH56187A 1986-03-05 1987-02-12 CH670639A5 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DD28759286A DD247221A1 (de) 1986-03-05 1986-03-05 Verfahren zur herstellung 2,5-disubstituierter 1,3,4-thiadiazolderivate mit trans-cyclohexanstrukturfragmenten
DD28758186A DD247694A1 (de) 1986-03-05 1986-03-05 Kristallin-fluessige gemische

Publications (1)

Publication Number Publication Date
CH670639A5 true CH670639A5 (fr) 1989-06-30

Family

ID=25748035

Family Applications (1)

Application Number Title Priority Date Filing Date
CH56187A CH670639A5 (fr) 1986-03-05 1987-02-12

Country Status (2)

Country Link
CH (1) CH670639A5 (fr)
DE (1) DE3703651A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5478496A (en) * 1987-04-16 1995-12-26 Merck Patent Gesellschaft Mit Beschrankter Haftung Media containing thiazole derivatives and thiadiazole derivatives and having a smectic liquid-crystalline phase
DE3712995B4 (de) * 1987-04-16 2004-02-05 Qinetiq Ltd. Thiazol- und Thiadiazol-Derivate enthaltende Medien mit smektischer flüssigkristalliner Phase und die Verwendung dieser Medien in elektrooptischen Anzeigeelementen
DE3730859A1 (de) * 1987-04-16 1989-03-30 Merck Patent Gmbh Thiazol- und thiadiazol-derivate enthaltende medien mit smektischer fluessigkristalliner phase
DE3819972C2 (de) * 1987-07-01 1997-04-10 Samsung Electronic Devices 2,5-disubstituierte 1,3,4-Thiadiazole mit ausgedehnten smektischen C-Phasen und Verwendung in flüssigkristallinen Mischungen
DE3807871A1 (de) * 1988-03-10 1989-09-21 Merck Patent Gmbh Heterocyclische derivate des 1,2-difluorbenzols
JP2801269B2 (ja) * 1989-07-10 1998-09-21 キヤノン株式会社 化合物およびこれを含む液晶組成物およびこれを使用した液晶素子
US5143642A (en) * 1990-01-13 1992-09-01 Merck Patent Gesellschaft Mit Beschrankter Haftung Liquid-crystalline medium for electrooptical display elements based on the ECB effect
US5800736A (en) * 1994-12-29 1998-09-01 Chisso Corporation Smectic liquid crystal composition and liquid crystal device

Also Published As

Publication number Publication date
DE3703651A1 (de) 1987-09-10

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PL Patent ceased