| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a polymerizable liquid crystalline compound having a 1,1'-binaphthalene ring which has a large HTP and excels in solubility to other liquid crystal compounds and a liquid crystal composition comprising this compound. <P>SOLUTION: The polymerizable optically active compound is represented by formula (1) (wherein R<SP>1</SP>is hydrogen, chlorine or bromine; R<SP>2</SP>is hydrogen, ethyl or methyl; A<SP>1</SP>is 1,4-phenylene, biphenyl-4,4'-diyl, naphthalene-2,6-diyl or pyridine-2,5-diyl, provided that in the 1,4-phenylene, an arbitrary hydrogen may be replaced by chlorine, bromine or fluorine and in the biphenyl-4,4'-diyl, an arbitrary hydrogen may be replaced by chlorine, bromine or fluorine; and X<SP>1</SP>is a single bond, -CH=CH- or -CH<SB>2</SB>CH<SB>2</SB>-). <P>COPYRIGHT: (C)2007,JPO&INPIT |
