| abstract |
Disclosed is an aromatic ester compound.According to the invention it is represented by the general formula: (CF DRAWING IN BOPI) wherein Pn is a 1-phenylene group, R1 is an alkyl group having 1 to 4 atoms of carbon, R2 is a group selected from the group consisting of perfluoroalkyl groups having 1 to 4 carbon atoms, cyano group, nitro group, 2, 2-dicyanoethenyl group and methylsulfonyl group and the index n is a number of 2, 3 or 4.The invention applies in particular to optical materials for transmission of information. |