| abstract |
Disclosed is a polymerizable optically active compound which has a large HTP, has excellent compatibility with other liquid crystal materials, and can be synthesized by an economical method. A compound represented by the following formula (1): [Wherein, R 1 represents hydrogen, methyl or ethyl, X 1 represents a single bond, —O— or —OCO—, and A 1 and A 2 each independently represent a divalent aromatic ring. Or a divalent cyclohexane ring, in which any hydrogen may be replaced by halogen, alkyl having 1 to 3 carbon atoms or halogenated alkyl having 1 to 3 carbon atoms, and Z 1 is independently single bond, -O Te -, - S -, - COO -, - OCO -, - CH 2 O -, - OCH 2 -, - CH = CH-COO -, - OCO-CH = CH -, - CH 2 CH 2 —COO—, —OCO—CH 2 CH 2 —, —CON (R) — or —N (R) CO—, R represents hydrogen or methyl, Y represents a terpenoid residue or steroid residue M represents an integer of 0 to 20, and n represents an integer of 0 to 3. ] [Selection figure] None |