LIQUID CRYSTAL COMPOUNDS CONTAINING TWO OR MORE CHIRAL CENTERS

摘要

A compound suitable for use in a ferroelectric smectic liquid crystal composition having a structure which contains two chiral centers derived from alpha hydroxy carboxylic acid groups and having the formula: wherein R1 is n-alkoxy containing 1-12 carbo atoms and R2 is n-alkyl containing 1-12 carbon atoms. Methods of preparation and details of liquid crystal mixtures containing these compounds are described.