Title:
LIQUID CRYSTAL COMPOUND AND COMPOSITION
Document Type and Number:
Japanese Patent JPH01139551
Kind Code:
A
Abstract:
NEW MATERIAL:A compound shown by formula I (R and R' are 1-20C alkyl; X is O, O-CO-O or single bond; A1 and A2 are cyclic group shown by formula II, III, etc.; Y is CO-O, O-CO, C=C, CH2O, CHidenticalN, etc.; * is optically active). EXAMPLE:Optically active 4-n-decyloxy-4'-biphenylcarboxylic acid-p'-(1- trifluoromethylheptyloxycarbonyl)phenyl ester. USE:A liquid crystal display element material having ferroelectric chiral smectic phase and stability to heat and water. PREPARATION:A compound shown by formula IV is esterified with an acid chloride, then deprotected by catalytic reduction and esterified with an acid chloride again to give a compound shown by formula I.
Inventors:
SATO MASAHIRO
YOSHIO KUNIKIYO
KISHIKI HIROSHI
HOSHINO HIROSHI
NAKAMURA TOYOICHI
KATO YUJI
NAEMURA SHOHEI
TANI KAZUTSUKA
YOSHIO KUNIKIYO
KISHIKI HIROSHI
HOSHINO HIROSHI
NAKAMURA TOYOICHI
KATO YUJI
NAEMURA SHOHEI
TANI KAZUTSUKA
Application Number:
JP21113888A
Publication Date:
June 01, 1989
Filing Date:
August 24, 1988
Export Citation:
Assignee:
SANYO CHEMICAL IND LTD
NEC CORP
NEC CORP
International Classes:
C07C69/76; C07C67/00; C07C69/90; C07C69/92; C07C69/94; C07C241/00; C07C245/08; C07C251/24; C07C253/00; C07C255/55; C07C313/00; C07C323/56; C07C323/62; C07D237/08; C07D237/14; C07D239/26; C07D239/34; C07D241/12; C07D241/18; C07F5/02; C07F5/04; C09K19/18; C09K19/20; C09K19/22; C09K19/24; C09K19/28; C09K19/30; C09K19/32; C09K19/34; C09K19/40; C09K19/46; (IPC1-7): C07C69/76; C07C69/90; C07C69/92; C07C69/94; C07C107/04; C07C119/00; C07C121/75; C07C149/26; C07C149/40; C07D237/08; C07D237/14; C07D239/26; C07D239/34; C07D241/12; C07D241/18; C07F5/02; C09K19/18; C09K19/20; C09K19/22; C09K19/24; C09K19/28; C09K19/30; C09K19/32; C09K19/34; C09K19/40; C09K19/46
Domestic Patent References:
| JPS63307837A | 1988-12-15 |
Attorney, Agent or Firm:
Yasuhiro Funakoshi