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Patent Searching and Data


Title:
2,7-BIS(4-AMINOPHENOXY) NAPHTHALENE AND ITS PRODUCTION
Document Type and Number:
Japanese Patent JPH0578289
Kind Code:
A
Abstract:

PURPOSE: To provide a new compound useful as a raw material for polyimides having excellent flexibility and moldability.

CONSTITUTION: 2,7-Bis (4-aminophenoxy) naphthalene of formula I. The compound of formula I is obtained by reacting a p-halogeno-nitro-benzene of formula II (X is halogen) with 2,7-dihydroxynaphthalene in the presence of a basic substance such as an alkali metal hydroxide in an aprotic polar solvent such as DMF and subsequently reducing the obtained compound of formula III.


Inventors:
ISHIHARA HIROKO
YAMAGUCHI KEISABURO
YAMAGUCHI TERUHIRO
Application Number:
JP23766391A
Publication Date:
March 30, 1993
Filing Date:
September 18, 1991
Export Citation:
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Assignee:
MITSUI TOATSU CHEMICALS
International Classes:
C07C213/02; C07C217/90; (IPC1-7): C07C213/02; C07C217/90