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Title:
CROWN ETHER DERIVATIVE, ITS PRODUCTION AND ELECTROLYTE CONTAINING THE SAME
Document Type and Number:
Japanese Patent JP2000297085
Kind Code:
A
Abstract:

To obtain a new compound useful as a discotic liquid crystal material, capable of providing an electrolyte together with a metal salt and controlling the liquid crystalline phase and liquid crystal transition temperature of its own by mixing the compound with other (non)liquid crystal compound(s).

This compound is a compound of formula I [R1 to R4 are each H or R5OCH2 and at least two of R1 to R4 are each R5OCH2 (R5 is H or a 1-25C alkyl and at least one CH2 of the alkyl may be substituted with O, CO, CH=CH, C≡C, epoxy or the like)], e.g. 2,3,11,12-bis[4'(5')- hydroxymethylbenzo]-18-crown-6. The compound of formula I is produced, for example, by etherifying a crown ether derivative of formula II (R11 to R14 are each H or HOCH2 and at least two of R11 to R14 are each HOCH2) as intermediate with a compound of the formula R5X (X is a halogen).


Inventors:
HIROSE TAKUJI
TANAKA SHINYA
IGAWA SATOSHI
NAKAMURA SHINICHI
Application Number:
JP2000029052A
Publication Date:
October 24, 2000
Filing Date:
February 07, 2000
Export Citation:
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Assignee:
CANON KK
International Classes:
C07D323/00; C09K19/34; G02F1/13; (IPC1-7): C07D323/00; G02F1/13
Attorney, Agent or Firm:
Tokuhiro Watanabe