Azoverbindungen und Zwischenprodukte, deren Herstellung und Verwendung

The invention provides a process for the production of azodyes and their derivatives by diazotization and coupling reactions and optionally further modification reactions, wherein a compound of formula (I) in which E signifies an aromatic bivalent radical, X1 signifies hydroxy or a primary amino gro...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: BERENGUER BARRA, JORDI, ROCAS SOROLLA, JOSE
Format: Patent
Sprache:ger
Schlagworte:
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:The invention provides a process for the production of azodyes and their derivatives by diazotization and coupling reactions and optionally further modification reactions, wherein a compound of formula (I) in which E signifies an aromatic bivalent radical, X1 signifies hydroxy or a primary amino group, Y1 signifies hydroxy or a primary amino group and in which the aminogroup linked to the -SO2-bound phenyl radical may optionally be acylated, or a mixture of compounds of formula (I), is employed as a coupling component or/and-in the non-acylated form-as a diazo component, the invention in particular relates also to the novel dyes and their use and to the novel intermediates.