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Title:
DI- OR TRIACETYLENE COMPOUND HAVING SIDE CHAIN, LIQUID CRYSTAL COMPOSITION CONTAINING THE SAME, AND LIQUID CRYSTAL ELEMENT BY USING THE SAME
Document Type and Number:
Japanese Patent JP2002030016
Kind Code:
A
Abstract:

To provide a new di- or triacetylene compound having a large refractive index anisotropy, and capable of being easily mixed with other liquid crystals, and further to provide a method for producing the compound, a liquid crystal composition obtained by using the compound, and a liquid crystal element usable for a light shutter and displaying element, obtained by using the compound.

This di- or triacetylene compound is represented by general formula 1 [A1 to A12 are each independently H, F or a 1-10C alkyl or alkoxy which may be substituted with F; (n) is 0 or 1; R1 and R2 are each independently H, F, CN, SF5, NCS, 4-R3-(cycloalkyl), 4-R3-(cycloalkenyl) or R4-(O)q (R3 is H, or a linear or branched 1-12C alkyl which may be substituted with F; R4 is a linear or branched 1-12C alkyl or alkoxyalkyl which may be substituted with F, or a 3-12C alkynylalkenyl; (q) is 0 or 1, with the proviso that when R4 is an alkoxyalkyl, (q) is 1 and R1 and R2 are not simultaneously H)].


Inventors:
ODERA JUNZO
Application Number:
JP2000220515A
Publication Date:
January 29, 2002
Filing Date:
July 21, 2000
Export Citation:
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Assignee:
SUMITOMO CHEMICAL CO
International Classes:
G02F1/13; C07B61/00; C07C2/00; C07C15/50; C07C17/263; C07C25/18; C07C41/30; C07C43/205; C07C43/225; C07C45/68; C07C49/84; C07C253/30; C07C255/50; C07C255/54; C09K19/18; (IPC1-7): C07C43/205; C07C2/00; C07C15/50; C07C17/263; C07C25/18; C07C41/30; C07C43/225; C07C45/68; C07C49/84; C07C253/30; C07C255/50; C07C255/54; C09K19/18; G02F1/13
Domestic Patent References:
JPS6160638A1986-03-28
JPH0566434A1993-03-19
JPH0672905A1994-03-15
JPH0940958A1997-02-10
JPH111445A1999-01-06
JP2000273205A2000-10-03
JPS6160638A1986-03-28
JPH0566434A1993-03-19
JPH0672905A1994-03-15
JPH0940958A1997-02-10
JPH111445A1999-01-06
JP2000273205A2000-10-03
Foreign References:
DE2013821A11971-10-14
US5820785A1998-10-13
DE2013821A11971-10-14
US5820785A1998-10-13
Attorney, Agent or Firm:
Takashi Kuboyama (2 outside)



 
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