发明名称 |
CHIRAL LIQUID CRYSTAL COMPOUNDS |
摘要 |
Optically active compounds of formula (I), where X has a structure (II) and B is C1-12 alkyl, a chiral group or a group having a general structure (III), where R and R' are H, C1-12 alkyl, alkoxy, alkylcarbonyloxy, or alkoxycarbonyl, each ring (IV) and (V) is the same or different, A and D are single bonds or bridging groups, each a and d is 0 or 1; Z, Z' are CN, Cl, F, Br or CF3; provided when Z is CN or Cl, then when B is alkyl X-Y is not (VI) or (VII). Ferroelectric smectic liquid crystal mixtures containing these compounds are also described. |
申请公布号 |
WO8707890(A2) |
申请公布日期 |
1987.12.30 |
申请号 |
WO1987GB00441 |
申请日期 |
1987.06.23 |
申请人 |
THE SECRETARY OF STATE FOR DEFENCE IN HER MAJESTY' |
发明人 |
GRAY, GEORGE, WILLIAM;LACEY, DAVID;TOYNE, KENNETH, JOHNSON;SCROWSTON, RICHARD, MICHAEL;JACKSON, ADAM;CHAN, LAWRENCE, KAM, MING;SHENOUDA, IBRAHIM, GINDY;BRADSHAW, MADELINE, JOAN;BRIMMELL, VICTORIA;CONSTANT, JENNIFER;RAYNES, EDWARD, PETER |
分类号 |
C07C255/14;C07C67/00;C07C69/94;C07C253/00;C07C255/17;C07C255/31;C07C255/32;C07C255/35;C07C255/37;C07C255/38;C07C255/41;C07C255/45;C09K19/12;C09K19/14;C09K19/20;C09K19/30;C09K19/54;G02F1/13 |
主分类号 |
C07C255/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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