申请人:SANYO CHEMICAL INDUSTRIES LTD.
公开号:EP0409634A3
公开(公告)日:1991-11-27
A compound usefull for liquid crystal component which is represented by the following formulas (1), (2), (3), or (4) ;
wherein R1 ,R2 ,R3 and R4 are C1 -1 8 alkyl groups; X1 and X2 is -, 0, S, -C≡C- or divarent groups such as COO, OCO, CH2 O or OCH2; Y1 is -CH2 CH2 - or -C ≡ C- ; A1 is 1,4-phenylene-group,
A2 , A3, A5 are such as 1,4-phenylene-group; A4 is
一种用于液晶组分的化合物,由以下化学式(1)、(2)、(3)或(4)表示;其中R1、R2、R3和R4为C1-18烷基基团;X1和X2为-、0、S、-C≡C-或COO、OCO、CH2O或OCH2等二价基团;Y1为-CH2CH2-或-C≡C-;A1为1,4-苯基基团,A2、A3、A5为类似1,4-苯基基团;A4是...