Title:
【発明の名称】ビフェニリルエタン類および液晶相
Document Type and Number:
Japanese Patent JPH03503771
Kind Code:
A
Abstract:
Biphenylylethanes of the formula I I in which one of the radicals R1 and R2 is X and the other radical R1 or R2 is R-Y- where X is H, halogen, -CF3, -OCHF2, -OCF3, -CN, -NCS or -NO2, R is alkyl, fluoroalkyl, alkenyl or oxaalkyl and Y is O, S, -CO-O-, -O-CO-, -O-CO-O-, a single bond or-in the case where m=1-alternatively trans-1,4-cyclohexylene or m is 1 or 2, Ph is in each case identical or different radicals selected from the group comprising 1,4-phenylene, 2-fluoro-1,4-phenylene, 3-fluoro-1,4-phenylene and 3,5-difluoro-1,4-phenylene, L3 and L4 are each H, or one of these radicals is alternatively F, L1, L2 and L5 are each H or F, with the proviso that in the case where X=CN or R1=-NCS, Y is trans-1,4-cyclohexylene or and/or m=2 and/or one of the radicals L1, L2 and L3 is fluorine and/or Ph-CN is 2-fluoro-4-cyanophenyl or 3,5-difluoro-4-cyanophenyl, are suitable as components of liquid-crystalline phases.
Inventors:
Volker
Stahl, Klaus-Peter
Finkenzeller, Würich
Reifenrad, Volkel
Heathich, Reinhard
Beckmann, Eckhard
Greenfield, Simon
David Coats
Imago Furama Sochieta Acomandita Semprice di Pasquinelli Mauro e Compagna
Smith, Graham
Dino Muni
Dolsh Dieter
Stahl, Klaus-Peter
Finkenzeller, Würich
Reifenrad, Volkel
Heathich, Reinhard
Beckmann, Eckhard
Greenfield, Simon
David Coats
Imago Furama Sochieta Acomandita Semprice di Pasquinelli Mauro e Compagna
Smith, Graham
Dino Muni
Dolsh Dieter
Application Number:
JP50295390A
Publication Date:
August 22, 1991
Filing Date:
January 22, 1990
Export Citation:
Assignee:
Merck Patent Gesellschaft mit beschraenkter Haftung
International Classes:
G02F1/13; C07C22/08; C07C25/18; C07C25/24; C07C43/174; C07C43/225; C07C205/12; C07C255/50; C07C323/09; C07C323/18; C07C323/62; C07C331/28; C09K19/14; C09K19/30; (IPC1-7): C07C25/24; C07C43/174; C07C43/225; C07C205/12; C07C255/50; C07C323/09; C07C323/18; C07C323/62; C07C331/28; C09K19/14; C09K19/30; G02F1/13
Domestic Patent References:
| JPS62167758A | 1987-07-24 | |||
| JPS60161956A | 1985-08-23 |
Attorney, Agent or Firm:
Wakabayashi Tadashi