JPS54160349A - Liquid crystal compound - Google Patents

Liquid crystal compound

Info

Publication number
JPS54160349A
JPS54160349A JP6793878A JP6793878A JPS54160349A JP S54160349 A JPS54160349 A JP S54160349A JP 6793878 A JP6793878 A JP 6793878A JP 6793878 A JP6793878 A JP 6793878A JP S54160349 A JPS54160349 A JP S54160349A
Authority
JP
Japan
Prior art keywords
formula
compound
liquid crystal
biphenylyl
give
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.)
Pending
Application number
JP6793878A
Other languages
Japanese (ja)
Inventor
Takashi Inukai
Hiromichi Inoue
Hideo Sato
Kenji Furukawa
Shigeru Sugimori
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.)
JNC Corp
Original Assignee
Chisso Corp
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 Chisso Corp filed Critical Chisso Corp
Priority to JP6793878A priority Critical patent/JPS54160349A/en
Priority to CA315,948A priority patent/CA1106406A/en
Priority to US05/960,710 priority patent/US4211666A/en
Priority to DD78209223A priority patent/DD140567A5/en
Priority to EP78300649A priority patent/EP0002136B1/en
Priority to DE7878300649T priority patent/DE2861217D1/en
Publication of JPS54160349A publication Critical patent/JPS54160349A/en
Pending legal-status Critical Current

Links

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Liquid Crystal Substances (AREA)

Abstract

NEW MATERIAL:A 1-(4'-cyano-4-biphenylyl)-4-alkyl-cyclohexene of formula I: (R is 1W9C straight chain alkyl group).
USE: Liquid crystal compounds having a positive dielectric anisotropy showing a liquid crystal state in a high temperature range, useful for enlarging the nematic temperature range.
PROCESS: A compound of formula III is added to a solution of a compound of formula II to give a mixture of cis and trans isomers of 1-(4-bromo-4-biphenylyl)- 4-alkyl-cyclohexanol, which is dehydrated in the absence or presence of a solvent, preferably toluene, with an acid catalyst, e.g. acid potassium sulfate, under heating to form a compound of formula IV, which is then reacted with Cu2CN2 in a dipolar aprotic solvent, e.g. DMF, to give the desired compound of formula I.
COPYRIGHT: (C)1979,JPO&Japio
JP6793878A 1977-11-21 1978-06-06 Liquid crystal compound Pending JPS54160349A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP6793878A JPS54160349A (en) 1978-06-06 1978-06-06 Liquid crystal compound
CA315,948A CA1106406A (en) 1977-11-21 1978-11-07 Liquid crystal compounds
US05/960,710 US4211666A (en) 1977-11-21 1978-11-14 Liquid crystal compounds
DD78209223A DD140567A5 (en) 1977-11-21 1978-11-21 METHOD FOR PRODUCING LIQUID CRYSTAL COMPOUNDS
EP78300649A EP0002136B1 (en) 1977-11-21 1978-11-21 Substituted benzonitriles, their preparation, liquid crystal compositions containing them and display devices employing such compositions
DE7878300649T DE2861217D1 (en) 1977-11-21 1978-11-21 Substituted benzonitriles, their preparation, liquid crystal compositions containing them and display devices employing such compositions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6793878A JPS54160349A (en) 1978-06-06 1978-06-06 Liquid crystal compound

Publications (1)

Publication Number Publication Date
JPS54160349A true JPS54160349A (en) 1979-12-19

Family

ID=13359362

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6793878A Pending JPS54160349A (en) 1977-11-21 1978-06-06 Liquid crystal compound

Country Status (1)

Country Link
JP (1) JPS54160349A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009011338A (en) * 2007-06-29 2009-01-22 Kokuyo Co Ltd Furniture with top plate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009011338A (en) * 2007-06-29 2009-01-22 Kokuyo Co Ltd Furniture with top plate

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