| abstract |
A Phenylpyrimidine compound represents by the following general formula (1):n wherein R' represents a straight or branched C 1-18 alkyl group, haloalkyl group, aralkyl group or haloaralkyl group with or without a chiral carbon, R 2 represents a straight or branched alkyl group, haloalkyl group, aralkyl group or haloaralkyl group with or without at least one chiral carbon, a, b or c is one or more than one and a sum of a, b and c is two or more than two, A represents single bond, -O-, -COO-, -OCOO or OCO, B and C may be the same or different and selected from single bond, -COO-, -OCO-, -N=CH-, -CH=N-, -CH 2 0-, -OCH 2 - or -CH=CH-, D represents single bond, -COOCH 2 -, -OCOO- or -OCO, X, Y and Z are 1,4-phenylene, 1,4-phenylene substituted with one or more than one halogen atom, cyano group or nitro group, 2,5- pyrimidinen in which case at least one of X, Y or Z is 2,5-pyrimidinen And a liquid crystal composition comprising at least one compound presented by the above formula (1). n The compound of the present invention is useful as an element of a liquid crystal composition, in which case if the compound does not show a smectic liquid crystal. |