Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
DIACETYLENE DERIVATIVE
Document Type and Number:
Japanese Patent JP2012167068
Kind Code:
A
Abstract:

To provide a compound which itself shows liquid crystallinity and has a large refractive index anisotropy, a liquid crystalline composition using the same, and furthermore a liquid crystal element having excellent performance.

The diacetylene derivative is represented by formula (A): R1-Sp1-(Ar1)p-(Ar3)q-(Phe)r-C≡C-C≡C-(Phe)r-(Ar4)q-(Ar2)p-Sp2-R2 (wherein R1 and R2 are each hydrogen, a halogen, a cyano group, an isothiocyanate group, an alkyl group, an alkenyl group, an alkynyl group or a reactive group; Sp1 and Sp2 are each a spacer group; Ar1 and Ar2 are each an optionally substituted aromatic carbocyclic or heterocyclic group; Ar3 and Ar4 are each an optionally substituted heterocyclic group; Phe is an optionally substituted 1,4-phenylene group; and p, q and r are each 0 or 1).


Inventors:
ARAKAWA YUKI
KONISHI GENICHI
NAKAJIMA SHUNPEI
KANG SUNGMIN
WATANABE JUNJI
MATSUMOTO TAKUYA
NISHIMURA RYO
TOYOOKA TAKEHIRO
Application Number:
JP2011030115A
Publication Date:
September 06, 2012
Filing Date:
February 15, 2011
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
TOKYO INST TECH
JX NIPPON OIL & ENERGY CORP
International Classes:
C07C69/54; C07D213/64; C07D333/18; C07D333/54; C07D519/00; C09K19/18; C09K19/34; G02F1/13; G02F1/139
Domestic Patent References:
JP2012167214A2012-09-06
JP2003113376A2003-04-18
JP2012167214A2012-09-06
Attorney, Agent or Firm:
Junyuki Morita