| 发明名称 |
5,7-difluoro-1,2,3,4-tetrahydronaphthalene derivatives and their use thereof in liquid crystal mixtures |
| 摘要 |
PCT No. PCT/EP97/06995 Sec. 371 Date Aug. 20, 1999 Sec. 102(e) Date Aug. 20, 1999 PCT Filed Dec. 12, 1997 PCT Pub. No. WO98/27042 PCT Pub. Date Jun. 25, 19985,7-Difluoro-1,2,3,4-tetrahydronaphthalene derivatives of the formula (I) R1(-A1-M1)a(-A2-M2)b-B(-M3-A3)c(-M4-A4)d-R2(I) in which B is and R1(-A1-M1)a(-A2-M2) and (-M3-A3)c(-M4-A4)R2 denote mesogenic radicals are suitable as components of liquid-crystal mixtures, in particular ferroelectric.
|
| 申请公布号 |
US6159392(A) |
申请公布日期 |
2000.12.12 |
| 申请号 |
US19990331003 |
申请日期 |
1999.08.20 |
| 申请人 |
AVENTIS RESEARCH & TECHNOLOGIES GMBH & CO. KG |
发明人 |
SCHMIDT, WOLFGANG;MANERO, JAVIER |
| 分类号 |
C07C17/26;C07C25/22;C07C43/21;C07C43/225;C07C69/017;C07C69/035;C07C69/353;C07C69/74;C07C69/75;C07D213/61;C07D213/64;C07D239/34;C07D303/22;C07F7/12;C09K19/32;C09K19/34;G02F1/13;(IPC1-7):C09K19/32;C09K19/02;C09K19/30;C07C19/08 |
主分类号 |
C07C17/26 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
