Mesomorphic compound, liquid crystal composition containing same, liquid crystal device using same and display apparatus
申请人:CANON KABUSHIKI KAISHA
公开号:EP0440061A1
公开(公告)日:1991-08-07
A mesomorphic compound represented by the following formula (I):
wherein Ri and R2 respectively denote a linear or branched alkyl group having 3 - 18 carbon atoms capable of including one or non-neighboring two or more methylene groups which can be replaced with at least one species of
wherein Z denotes -0- or -S- and R3 denotes hydrogen or an alkyl group having 1 - 5 carbon atoms; B1 denotes
A1 denotes a single bond,
A2 denotes a single bond, -A3- or -A3-A4- wherein A3 and A4 respectively denote any one of
and Y, and Y2
respectively denote any one of hydrogen, fluorine, chlorine, bromine, -CH3, -CN and -CF3.
由下式(I)代表的中间体化合物: 其中 Ri 和 R2 分别表示具有 3 - 18 个碳原子的直链或支链烷基,该烷基可包括一个或非相邻的两个或多个亚甲基,这些亚甲基可被其中至少一种取代 其中 Z 表示-0-或-S-,R3 表示氢或具有 1 - 5 个碳原子的烷基; B1 表示 A1 表示单键,A2 表示单键,-A3- 或-A3-A4- 其中 A3 和 A4 分别表示氢、氟、氯、溴、-CH3、-CN 和-CF3 中的任一种,Y 和 Y2 分别表示氢、氟、氯、溴、-CH3、-CN 和-CF3 中的任一种。