MANUFACTURE OF 4,4'-DIAMINODIPHENYL COMPOUND AND USE

Title:

MANUFACTURE OF 4,4'-DIAMINODIPHENYL COMPOUND AND USE

Document Type and Number:

Japanese Patent JPS61229850

Kind Code:

A

Abstract:

4,4'-diaminodiphenyl compounds of the formula in which R is an n-butyl, isopentyl or phenyl group and A is equal to zero or an equivalent of an inorganic acid are prepared by reducing an n-butyl, isopentyl or phenyl ether of o-nitrophenol in alkaline medium to the 2,2'-alkoxy- or 2,2'-phenoxyhydrazobenzene, followed by rearrangement in acidic medium. The compounds are suitable as components for the preparation of dyes and pigments.

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Inventors:

KURAUSU FUNGERU
HAINRITSUHI FUREERITSUHI
HATSUSOO HERUTERU
KURUTO KONRAATO HABITSUHI

Application Number:

JP6883386A

Publication Date:

October 14, 1986

Filing Date:

March 28, 1986

Export Citation:

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Assignee:

HOECHST AG

International Classes:

C07C213/02; C07C15/14; C07C67/00; C07C211/55; C07C213/00; C07C217/82; C07C217/84; C09B31/00; C09B35/00; C09B35/08; (IPC1-7): C07C89/00; C07C93/14; C09B35/00

Attorney, Agent or Firm:

Ezaki Mitsuyoshi

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