申请人:Mitsubishi Gas Chemical Company, Inc.
公开号:US05840209A1
公开(公告)日:1998-11-24
\x9bI! An optically active compound of the formula (1), ##STR1## wherein R.sup.1 is a linear alkyl group, each of X.sup.1 and X.sup.2 is a hydrogen atom or one of X.sup.1 and X.sup.2 is a hydrogen atom and the other is a fluorine atom, each of Y.sup.1 and Y.sup.2 is a hydrogen atom or one of Y.sup.1 and Y.sup.2 is a hydrogen atom and the other is a fluorine atom, m is an integer of 3 to 10, and C* is an asymmetric carbon atom, \x9bII! an anti-ferroelectric liquid crystal composition consisting essentially of the optically active compound of the above formula (1) and a compound of the formula (2), ##STR2## and \x9bIII! a ferrielectric liquid crystal composition consisting essentially of the optically active compound of the formula (1) and a compound of the formula (3). ##STR3##
一种具有光学活性的化合物,化学式为(1),其中R.sup.1是线性烷基基团,X.sup.1和X.sup.2中的每一个是氢原子,或者X.sup.1和X.sup.2中的一个是氢原子,另一个是氟原子,Y.sup.1和Y.sup.2中的每一个是氢原子,或者Y.sup.1和Y.sup.2中的一个是氢原子,另一个是氟原子,m是3到10的整数,C*是一个不对称碳原子,一种主要由上述化学式(1)的具有光学活性的化合物和化学式(2)的化合物组成的反铁电液晶组合物,以及一种主要由上述化学式(1)的具有光学活性的化合物和化学式(3)的化合物组成的铁电液晶组合物。