abstract |
An optically active compound of the formula (1),n n wherein R 1 is a linear alkyl group, each of X 1 and X 2 is a hydrogen atom or one of X 1 and X 2 is a hydrogen atom and the other is a fluorine atom, m is an integer of from 3 to 10, and C* is an asymmetric carbon atom, and anti-ferroelectric and ferrielectric liquid crystal compositions containing it. |