Production of dioxazine compound

Dioxazine compound of the formula (I) mentioned below which is useful for dyes or pigments is prepared by heating a compound of (II) in the presence of inorganic acid with or without an oxidizing agent in an inert organic solvent: (I) wherein R is defined above; X1 and X2 are selected from a hydroge...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	FUJITA, TAIRA, KAYANE, YUTAKA
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY DYES HETEROCYCLIC COMPOUNDS LAKES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS ORGANIC CHEMISTRY ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES PAINTS POLISHES
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	Dioxazine compound of the formula (I) mentioned below which is useful for dyes or pigments is prepared by heating a compound of (II) in the presence of inorganic acid with or without an oxidizing agent in an inert organic solvent: (I) wherein R is defined above; X1 and X2 are selected from a hydrogen atom and a chlorine atom.