| abstract |
Provided is a polar compound having high chemical stability, high ability to align liquid crystal molecules, and high solubility in a liquid crystal composition, and which has a large voltage holding ratio when used in a liquid crystal display element. A compound represented by formula (1). For example, R 2 represents a C1-15 alkyl, MES represents a mesogenic group having at least one ring, Sp 1 represents a single bond or a C1-10 alkylene, M 1 and M 2 represent hydrogen, R 2 represents a group represented by formulas (1a) through (1c), Sp 2 and Sp 3 are single bonds or C1-10 alkylenes, S 1 represents >CH-, S 2 represents >C<, and X 1 represents –OH. |