Optical active 3-(2-trifluoro-1-hydroxyethyl) propenyl benzyl ether, derivatives thereof, method for preparing the same and use thereof for liquid crystal compound

摘要

3-(2-Trifluoro-1-hydroxyethyl)propenyl benzyl ether or derivatives thereof having the formula <IMAGE> wherein R is a substituted or not substituted phenyl group and a mark * shows an asymmetric carbon atom, and derivatives thereof are provided, which are useful as a material for preparing liquid crystal compound.