METHOD FOR PRODUCING 1,3-BIS(3-AMINOPHENOXY)BENZENE

PROBLEM TO BE SOLVED: To provide a low-cost and industrially advantageous method for producing high-purity 1,3-bis(3-aminophenoxy)benzene useful as a raw material for a highly heat-resistant polymer such as polyimide, etc. SOLUTION: The method for producing 1,3-bis(3-aminophenoxy)benzene includes he...

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Bibliographic Details
Main Authors FUJIKI KENJIRO, TAKEDA MOTONORI, TAMAOKI AKIHIRO
Format Patent
LanguageEnglish
Published 22.07.2010
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Summary:PROBLEM TO BE SOLVED: To provide a low-cost and industrially advantageous method for producing high-purity 1,3-bis(3-aminophenoxy)benzene useful as a raw material for a highly heat-resistant polymer such as polyimide, etc. SOLUTION: The method for producing 1,3-bis(3-aminophenoxy)benzene includes heating a 2,4-bis(3-aminophenoxy)benzenesulfonic acid, 2,4-bis(3-acylaminophenoxy)benzenesulfonic acid represented by formula (wherein X is amino or acylamino; and Y is hydrogen or an alkali metal atom) or an alkali metal salt thereof in sulfuric acid to eliminate a sulfonic acid group, and if an acyl group exist, the acyl group. COPYRIGHT: (C)2010,JPO&INPIT
Bibliography:Application Number: JP20090003502