申请人:Chisso Corporation
公开号:US05180519A1
公开(公告)日:1993-01-19
An alkenyl ether derivative having a low viscosity, a good compatibility with other liquid crystalline compounds and being capable of use in preparing a liquid crystal display element having a high response rate are provided, which derivative is expressed by the formula R.sub.1 --CH.sub.2 --O--(CH.sub.2)n--A.sub.1 --A.sub.2 A.sub.3 --R.sub.2[1] wherein R.sub.1 is a 2-7C alkenyl group having a double bond at its terminal or a double bond of a trans configuration at a position other than its terminal, R.sub.2 is 1-10C alkyl group or alkoxy group, A.sub.1 and A.sub.2 each independently are a 1,4-phenylene or a trans-1,4-cyclohexylene, A.sub.3 represents a 1,4-phenylene, a trans-1,4-cyclohexylene or a single bond and n is 1 or 2.
提供具有低粘度、与其他液晶化合物具有良好相容性并可用于制备具有高响应速率的液晶显示元件的烯基醚衍生物,该衍生物由以下式表示:R.sub.1 --CH.sub.2 --O--(CH.sub.2)n--A.sub.1 --A.sub.2 A.sub.3 --R.sub.2[1] 其中R.sub.1是具有2-7C碳数的烯基基团,在其末端具有双键或在非末端位置具有反式构型的双键,R.sub.2是1-10C碳数的烷基基团或烷氧基,A.sub.1和A.sub.2各自独立地是1,4-苯基或反-1,4-环己基,A.sub.3代表1,4-苯基、反-1,4-环己基或单键,n为1或2。