Disclosed is a novel optically active compound which exhibits no antiferroelectric liquid crystal phase but can be incorporated in an antiferroelectric liquid crystal having a high threshold voltage to reduce the threshold voltage thereof, an antiferroelectric liquid crystal composition containing the compound, a process for the reduction of the threshold voltage of an antiferroelectric liquid crystal composition, a process for producing the compound and a process for producing an optically active carboxylic acid as an intermediate.
本发明公开了一种新型光学活性化合物(该化合物不显示反
铁电体液晶相,但可加入具有高阈值电压的反
铁电体液晶中以降低其阈值电压)、一种含有该化合物的反
铁电体液晶组合物、一种降低反
铁电体液晶组合物阈值电压的工艺、一种生产该化合物的工艺以及一种生产作为中间体的光学活性
羧酸的工艺。