发明名称 |
TETRACYCLIC COMPOUND HAVING LATERAL HALOGEN SUBSTITUENT AND LIQUID CRYSTAL COMPOSITION COMPRISING THE SAME |
摘要 |
A tetracyclic compound expressed by general formula (1) wherein H1 to H12 represent hydrogen atom at least one of which is replaced by a halogen atom, when either H6 or H8 is replaced by a halogen atom, at least one of the remaining hydrogen atoms is replaced by a halogen atom; R1 and Y1 independently represent an alkyl group, alkoxy group, or alkoxyalkyl group having 1 to 20 carbon atoms, or an alkenyl group having 2 to 20 carbon atoms, one or more methylene group in R1 and Y1 may be replaced by oxygen atom, sulfur atom, dihydrosilylene group, dimethylsilylene group, -CH=CH-, or -CC-; and X1, X2, and X3 independently represent a covalent bond, 1,2-ethylene group, or 1,4-butylene group; and a novel liquid crystal composition comprising the tetracyclic compound and having, at the same time, a wide temperature range of a nematic phase, high optical anisotropy, and high chemical stability.
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申请公布号 |
WO9808792(A1) |
申请公布日期 |
1998.03.05 |
申请号 |
WO1997JP02848 |
申请日期 |
1997.08.18 |
申请人 |
CHISSO CORPORATION;KOGA, KOJI;ANDO, TSUGUMICHI;TAKEUCHI, HIROYUKI;MATSUI, SHUICHI;MIYAZAWA, KAZUTOSHI;HACHIYA, NORIHISA;NAKAGAWA, ETSUO |
发明人 |
KOGA, KOJI;ANDO, TSUGUMICHI;TAKEUCHI, HIROYUKI;MATSUI, SHUICHI;MIYAZAWA, KAZUTOSHI;HACHIYA, NORIHISA;NAKAGAWA, ETSUO |
分类号 |
G02F1/13;C07C17/12;C07C17/26;C07C17/35;C07C17/354;C07C25/18;C07C25/24;C07C43/174;C07C43/176;C07C43/192;C07C43/225;C07C323/09;C07F7/08;C09K19/30;C09K19/40;(IPC1-7):C07C25/18;C09K19/46;C09K19/44;C09K19/42 |
主分类号 |
G02F1/13 |
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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