Ester derivatives of 4-fluorophenol and liquid crystal compositions containing same.

摘要

Novel fluorine-containing organic compounds having a positive dielectric anisotropy, useful as component(s) of liquid crystal compositions, and liquid crystal compositions containing the same are provided. The compounds have the general formula
<Chemistry id="chema01" num="0001"><Image id="ia01" he="12" wi="46" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>wherein Z is
<Chemistry id="chema02" num="0002"><Image id="ia02" he="16" wi="93" file="IMGA0002.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry><Chemistry id="chema03" num="0003"><Image id="ia03" he="14" wi="85" file="IMGA0003.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>R, and R<Sub>3</Sub>both are 1 - 10C alkyl or alkoxy; R<Sub>2 </Sub>is H or 1 - 10C alkyl; and R<Sub>4</Sub> is 1 - 10C alkyl.