申请人:Hoffmann-La Roche Inc.
公开号:US04432885A1
公开(公告)日:1984-02-21
Decalins of the formula ##STR1## wherein ring A is aromatic or a trans-1,4-disubstituted cyclohexane ring; R.sup.2 is methyl, --CH.sub.2 R', --OR', --CO--R', --CN, --COOH, --CO--OR', --CO--SR' or --O--CO--R'; R.sup.1 is hydrogen, methyl, --CH.sub.2 R, --OR or --CH.sub.2 OR, or when R.sup.2 is methyl, --CH.sub.2 R', --OR' or --CO--R', R.sup.1 also can be --CN, --COOH, --CO--OR, --CO--SR or --O--CO--R; R and R' each are alkyl; and R.sup.1 and R.sup.2 each have up to 12 carbon atoms and together have at most 14 carbon atoms, their racemates and optically active antipodes, are described. Liquid crystalline mixtures comprising Compound I as well as their use in electro-optical devices also are disclosed.
公式为##STR1##的脱氢环己烷,其中环A是芳香族或反-1,4-二取代环己烷环;R.sup.2是甲基,-CH.sub.2 R',-OR',-CO--R',-CN,-COOH,-CO--OR',-CO--SR'或-O--CO--R';R.sup.1是氢,甲基,-CH.sub.2 R,-OR或-CH.sub.2 OR,或当R.sup.2是甲基,-CH.sub.2 R',-OR'或-CO--R'时,R.sup.1也可以是-CN,-COOH,-CO--OR,-CO--SR或-O--CO--R;R和R'各自是烷基;R.sup.1和R.sup.2各自具有多达12个碳原子,共同最多有14个碳原子,其外消旋体和光学活性对映体已被描述。液晶混合物包括化合物I,以及它们在电光设备中的使用也已被披露。