Phenylpyrimidine derivatives, process for preparing the same, liquid crystal composition containing said derivatives as active ingredient, and liquid crystal elements using such compositions

摘要

Disclosed in this invention are the phenylpyrimidine derivatives represented by the general formula I: <IMAGE> (I) the alcohols represented by the formula: <IMAGE> usable as starting material for the preparation of the phenylpyrimidine derivatives, and the processes for preparing such derivatives. The phenylpyrimidine derivatives of the formula I according to the present invention have very excellent properties as a liquid crystal compound and can be utilized effectively for the production of liquid crystal elements.