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Title:
AROMATIC ACETYLENE COMPOUND
Document Type and Number:
Japanese Patent JP2000103781
Kind Code:
A
Abstract:

To obtain the subject new compound useful as a raw material for liquid crystal materials, electronic materials, gas-permeable membrane, or the like.

This new compound is represented by formula I (R1 and R2 are each H or a substituent; Q is a group of atoms forming a cyclic structure, being substitutable; (m) and (n) are each 0-4), e.g. a compound of formula II. The compound of formula I is obtained, for example, by reaction between a compound of formula III (X is iodine or bromine) (e.g. 4-bromoiodobenzene) and a compound of formula IV (e.g. carbazole) under heating in the presence of copper powder and a base such as calcium carbonate to form a compound, which, in turn, is reacted with a compound of the formula HC≡C-G (G is a protective group) (e.g. 3-methyl-1-butyn-3-ol) under heating reflux in the presence of palladium chloride, triphenylphosphine, copper iodide and triethylamine followed by deprotection.


Inventors:
SUZUKI AKIRA
ASANUMA NAOKI
YAMAKAWA KAZUYOSHI
Application Number:
JP27571698A
Publication Date:
April 11, 2000
Filing Date:
September 29, 1998
Export Citation:
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Assignee:
FUJI PHOTO FILM CO LTD
International Classes:
C07D249/18; C07D209/08; C07D209/42; C07D209/86; C07D209/88; C07D209/96; C07D215/06; C07D223/14; C07D225/08; C07D235/28; C07D265/38; C07D279/22; C07D471/04; C08F38/02; (IPC1-7): C07D209/86; C07D209/08; C07D209/42; C07D209/88; C07D209/96; C07D215/06; C07D223/14; C07D225/08; C07D235/28; C07D249/18; C07D265/38; C07D279/22; C07D471/04
Attorney, Agent or Firm:
Tadashi Hagino (4 outside)