The present invention provides compounds of the formula (I): ##STR1## wherein R is a phenyl group, substituted fluorine atoms formulations containing them and their use in controlling pest infestation.
Chiral compound, liquid crystal composition containing the same, optically anisotropic body, and liquid crystal display device
申请人:SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIAL CO., LTD.
公开号:US10457870B1
公开(公告)日:2019-10-29
Disclosed are a chiral compound, a liquid crystal composition containing the chiral compound, an optically anisotropic body and a liquid crystal display device. The structural formula of said chiral compound is as represented by the following formula I:
The chiral compound has a high HTP value and a good solubility; a highly helical, twisted liquid crystal composition can be prepared by adding a small amount of the chiral compound; reducing the addition amount of the chiral compound can reduce the negative effect of the chiral compound on the parameters of the liquid crystal composition; under the conditions of the same addition ratio and the same helical pitch, the chiral compound can reduce the response time of the liquid crystal composition; in addition, the chiral compound has a simple structure and greatly reduces the synthesis cost.
本发明公开了一种手性化合物、一种含有该手性化合物的液晶组合物、一种光学各向异性体和一种液晶显示装置。所述手性化合物的结构式如下式 I 所示:
本手性化合物具有较高的 HTP 值和良好的溶解性;添加少量本手性化合物即可制备出高度螺旋扭曲的液晶组合物;减少本手性化合物的添加量可降低本手性化合物对液晶组合物参数的负面影响;在相同添加比例和相同螺旋间距的条件下,本手性化合物可降低液晶组合物的响应时间;此外,本手性化合物结构简单,大大降低了合成成本。
Buu-Hoi et al., Bulletin de la Societe Chimique de France, 1957, p. 441
作者:Buu-Hoi et al.
DOI:——
日期:——
Novel heterocyclic pesticidal compounds
申请人:THE WELLCOME FOUNDATION LIMITED
公开号:EP0372816B1
公开(公告)日:1992-07-29
CHIRAL COMPOUND, LIQUID CRYSTAL COMPOSITION CONTAINING THE SAME, OPTICALLY ANISOTROPIC BODY, AND LIQUID CRYSTAL DISPLAY DEVICE
申请人:SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIAL CO., LTD.
公开号:US20190352566A1
公开(公告)日:2019-11-21
Disclosed are a chiral compound, a liquid crystal composition containing the chiral compound, an optically anisotropic body and a liquid crystal display device. The structural formula of said chiral compound is as represented by the following formula I:
The chiral compound has a high HTP value and a good solubility; a highly helical, twisted liquid crystal composition can be prepared by adding a small amount of the chiral compound; reducing the addition amount of the chiral compound can reduce the negative effect of the chiral compound on the parameters of the liquid crystal composition; under the conditions of the same addition ratio and the same helical pitch, the chiral compound can reduce the response time of the liquid crystal composition; in addition, the chiral compound has a simple structure and greatly reduces the synthesis cost.