ビスアゾアリールレゾルシノール中間体を介した4,6-ジアミノレゾルシノールの製造方法

Title:

ビスアゾアリールレゾルシノール中間体を介した4,6-ジアミノレゾルシノールの製造方法

Document Type and Number:

Japanese Patent JP3783236

Kind Code:

B2

Abstract:

The present invention is a method of preparing a 4,6-bisarylazoresorcinol comprising reacting an aryldiazonium salt and resorcinol in the presence of a base and a reaction medium containing water and a water-miscible solvent at a temperature in the range of about -5 DEG C to about -60 DEG C. The present invention is also a method of preparing a 2-substituted 4,6-bisarylazoresorcinol comprising reacting an aryldiazonium salt with a 2-substituted resorcinol. The 4,6-bisarylazoresorcinol or 2-substituted 4,6-bisarylazoresorcinol can then be hydrogenated to a 4,6-diaminoresorcinol, which is a precursor to polybisbenzoxazoles (PBOs), polymers which are useful as insulators, solar arrays, and tear-resistant gloves.

Inventors:

Morgan, Ted A.
Nadder, Bassam S
Bose Jupka, Paul
U, Weshi
Kende, Andrew S.

Application Number:

JP52236295A

Publication Date:

June 07, 2006

Filing Date:

February 10, 1995

Export Citation:

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