申请人:Canon Kabushiki Kaisha
公开号:US05126071A1
公开(公告)日:1992-06-30
An optically active functional compound represented by the following formula (1) is disclosed: ##STR1## wherein R denotes an alkyl group having 1-14 carbon atoms; --X-- denotes ##STR2## Y denotes a single bond, ##STR3## or --O--; n=0, 1 or 2; and C* denotes an asymmetric carbon atom. The compound of the formula (1) may be produced through an optically active compound of the following formula (2) or (3): ##STR4## The compounds of the above formulas (1)-(3) are all characterized by a trifluoromethyl group providing a large spontaneous polarization attached to an asymmetric carbon atom.
公开了一种由以下式(1)表示的光学活性功能化合物:##STR1##
其中,R表示具有1-14个碳原子的烷基基团;--X--表示##STR2##Y表示单键,##STR3##或--O--;n=0、1或2;C*表示不对称碳原子。式(1)的化合物可通过以下式(2)或(3)的光学活性化合物制备:##STR4##
上述式(1)-(3)的化合物均具有三氟甲基基团,其附着在不对称碳原子上提供了大的自发极化。