Cyclohexane carbaldehyde compounds and processes for preparing silacyclohexane-based liquid crystal compounds from the carbaldehyde compound

摘要

A cylcohexane carbaldehyde compound of the following formula (I) wherein Ar, is phenyl or tolyl and R is an organic residue is useful as an intermediate in processes for preparing a compound of the formula (II) or (III): wherein R, X, Y and Z are organic residues, and i and j, which are the same or different, are 0, 1 or 2.;Compounds of formula (II) or (III) are useful in liquid crystal displays.