申请人:Nippon Mining Co., Ltd.
公开号:US05211879A1
公开(公告)日:1993-05-18
This invention provides novel ester compounds represented by the following general formula (1): ##STR1## (wherein R.sup.1 and R.sup.2 are alkyl groups and may be the same or not, A and B are selected from a single bond and --COO--, X is selected from ##STR2## optically active bodies thereof and liquid crystal compositions containing at least one of these compounds.
本发明提供了一种新型酯类化合物,其通式如下:(1)##STR1##(其中,R1和R2是烷基,可以相同也可以不同,A和B选自单键和--COO--,X选自##STR2## 其光学活性体和至少含有这些化合物之一的液晶组合物。