Title:
OPTICALLY ACTIVE COMPOUND, ITS PRODUCTION AND LIQUID CRYSTAL COMPOSITION CONTAINING THE SAME AND LIQUID CRYSTAL ELEMENT
Document Type and Number:
Japanese Patent JPH05229974
Kind Code:
A
Abstract:
PURPOSE: To obtain a new compound useful as liquid crystal element, etc., capable of controlling kinds of liquid crystal phases developing in a liquid crystal state and a temperature range, having excellent electric field response.
CONSTITUTION: A compound of formula I (R is 1-18C straight-chain alkyl; *is optically active) such as (+)-4-(1-trifluoromethylheptyl)benzoic acid. The compound of formula I is obtained by converting a compound of formula II as a starting raw material into a compound of formula III, treating this compound with NaOBr to give a compound of the formula IV, treating this compound with an optically active amine and optically resolving.
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Inventors:
NOHIRA HIROYUKI
IMAMURA SHINICHI
SAKAI KENICHI
NAKAMURA SHINICHI
IMAMURA SHINICHI
SAKAI KENICHI
NAKAMURA SHINICHI
Application Number:
JP7300392A
Publication Date:
September 07, 1993
Filing Date:
February 26, 1992
Export Citation:
Assignee:
YAMAKAWA CHEMICAL IND
CANON KK
CANON KK
International Classes:
C09K19/42; C07C29/147; C07C33/46; C07C65/36; C09K19/54; G02F1/13; (IPC1-7): C07C29/147; C07C33/46; C07C65/36; C09K19/42; C09K19/54; G02F1/13
Attorney, Agent or Firm:
Tokuhiro Watanabe