Disclosed is an a-methylcinnamic acid ester derivative represented bv the formula:
wherein n is an integer of from 5 to 18, R1 represents an optically active group of the formula
in which m is an integer of from 1 to 5 and *C represents an asymmetric carbon atom, and R2 represents
The *α-methylclimamic acid ester derivative is valuable as a ferroelectric liquid crystal or an additive to a ferroelectric liquid crystal.
公开了一种 a-甲基
肉桂酸酯衍
生物,其代表式如下: 其中 n 为 5 至 18 的整数,R1 代表式中的光学活性基团,其中 m 为 1 至 5 的整数,*C 代表不对称碳原子,R2 代表 *α- 甲基
肉桂酸酯衍
生物作为
铁电液晶或
铁电液晶的添加剂非常有价值。