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Priority claimed from DE1904168229Dexternal-prioritypatent/DE168229C/de
Application filed by Anilin Fabrikation AgfiledCriticalAnilin Fabrikation Ag
Application grantedgrantedCritical
Publication of AT26861BpublicationCriticalpatent/AT26861B/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Description
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EMI1.1
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dargestellten Indophenole sollen in erster Linie entweder als Indophenole oder nach Reduktion und Abspaltung der Azetylgruppe zur Darstellung von Schwefelfarbstoffen vorwendet werden.
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EMI1.1
EMI1.2
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The indophenols shown should primarily be used either as indophenols or, after reduction and cleavage of the acetyl group, to produce sulfur dyes.
Claims (1)
PATENT-ANSPRUCH :
Verfahren zur Darstellung azetylierter Indophenole, darin bestehend, dass man Azet-pphenylendiamin in Gegenwart von Phenol oder dessen Snbstitutionsprodukten mit freier Parastellung in alkalischer Lösung oxydiert.
PATENT CLAIM:
Process for the preparation of acetylated indophenols, consisting in that acet-pphenylenediamine is oxidized in the presence of phenol or its substitution products with a free para position in an alkaline solution.
AT26861D1904-10-151905-08-30
Process for the preparation of acetylated indophenols.
AT26861B
(en)