申请人:Merck Patent Gesellschaft Mit Beschrankter Haftung
公开号:US04820839A1
公开(公告)日:1989-04-11
Nitrogen-containing heterocyclic esters of the formula I, R.sup.1 -A.sup.1 -Z.sup.1 -A.sup.2 -[Z.sup.2 -A.sup.3 ].sub.m -R.sup.2 I in which R.sup.1, R.sup.2, A.sup.1, A.sup.2, A.sup.3, Z.sup.1, Z.sup.2 and m have the meaning specified in patent claim 1, are suitable as components of smectic liquid-crystalline phases.
具有公式I的含氮杂环酯,其中R.sup.1,R.sup.2,A.sup.1,A.sup.2,A.sup.3,Z.sup.1,Z.sup.2和m的含义如专利权要求1中所指定,适用作为膦晶液晶相的组分。