Liquid crystal compound.

摘要

A liquid crystal compound represented by formula (I): <CHEM> wherein R1 represents an alkyl group having from 1 to 18 carbon atoms; R2 represents an optically active group represented by formula (II), (III) or (IV): <CHEM> wherein R3 represents a lower halo-alkyl group having from 1 to 2 carbon atoms; X represents -O-, -COO-, -OCO-or a single bond; Y represents -CH2O- or -COO-; and Z represents -COO- or -O-, l represents 0 or 1, provided that when l is 0, Y is a single bond; n represents an integer of from 1 to 18; and * indicates an optically active center. The compound exhibits three stable states of molecular orientation.