申请人:Chisso Corporation
公开号:EP0164814A2
公开(公告)日:1985-12-18
Novel chiral smectic liquid crystalline ester compounds of superior stability and high response rate being suited for use in chiral smectic mixtures are of the formula
wherein n represents an integer of 2 to 16; 1 represents 0, 1 or 2 and m represents 1 or 2, provided that the sum of (+m is at least 2; X represents a methylene group or a single bond when (=0, a methylene group or an ether linkage when (=1, or an ether linkage when ( = 2; Y represents R, OR, -COR, - OCOR, -OCOOR, or -COOR wherein R represents an alkyl group of 1 to 18 carbon atoms; and asterisk * shows an optically active carbon atom.
新型手性手性液晶酯化合物具有优异的稳定性和高反应速率,适合用于手性手性混合物,其结构式为 其中 n 代表 2 至 16 的整数;1 代表 0、1 或 2,m 代表 1 或 2,条件是 (+m 的总和至少为 2;X 代表亚甲基或单键(当 (=0 时)、亚甲基或醚键(当 (=1 时)或醚键(当 ( = 2 时);Y 代表 R、OR、-COR、-OCOR、-OCOOR 或 -COOR,其中 R 代表 1 至 18 个碳原子的烷基;星号 * 表示光学活性碳原子。