Liquid crystal naphthalene compounds, represented by the following formula (1) are disclosed.
R-Z-A-#-NAP-Z′-R′ (1)
In the formula (1), R is an alkyl group containing 1 to 18 carbon atoms; R′ is an alkyl group containing 1 to 21 carbon atoms; NAP represents 2,6-naphthylene group;# represents C≡C;
A, Z and Z′ are as follows: 1) A is Pyr> and
(a) Z is - and Z′ is O or COO or (b) Z is OCO and Z′ is - or O; 2) A is FPhF and (a) Z is - or O and Z′ is -, O or COO or (b) Z is OCO and Z′ is - or O; 3) A is FPh and (a) Z is - and Z′ is O or COO, (b) Z is O and Z′ is -, O or COO or (c) Z is OCO and Z′ is - or O; 4) A is
揭示了液晶
萘化合物,其表示为以下公式(1):R-Z-A-#-NAP-Z′-R′ (1)
在公式(1)中,R是含有1至18个碳原子的烷基基团;R′是含有1至21个碳原子的烷基基团;NAP代表2,6-
萘基团;#代表C≡C;A,Z和Z′如下:
1)A是Pyr>,并且(a)Z是-,Z′是O或COO,或者(b)Z是OCO,Z′是-或O;
2)A是FPhF,并且(a)Z是-或O,Z′是-,O或COO,或者(b)Z是OCO,Z′是-或O;
3)A是FPh,并且(a)Z是-,Z′是O或COO,或者(b)Z是O,Z′是-,O或COO,或者(c)Z是OCO,Z′是-或O;
4)A是
Liquid crystal compounds and optically active compounds
申请人:SANYO CHEMICAL INDUSTRIES LTD.
公开号:EP0409634A2
公开(公告)日:1991-01-23
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
由以下公式(1)、(2)、(3)或(4)表示的可用于液晶成分的化合物;
其中 R1、R2、R3 和 R4 为 C1 -1 8 烷基;X1 和 X2 为-、0、S、-C≡C- 或亲和基,如 COO、OCO、
CH2 O 或 O ;Y1 为- - 或-C≡C-;A1 为 1,4-亚苯基、
A2、A3、A5 为 1,4-亚苯基;A4 为 1,4-亚苯基;A6 为 1,4-亚苯基;A7 为 1,4-亚苯基。
JPH04145069A
申请人:——
公开号:JPH04145069A
公开(公告)日:1992-05-19
查看更多