PREPARATION OF AZO DYE AND (5-AMINO-2- (2-HYDROXYETHYLAMINO) PHENYL) (2-HYDROXYETHYL) SULFONE

A process for the preparation of the sulphone of the formula: (1) consists in reductive cleavage of azo/azoxy dyestuffs of the formula (6) The invention also relates to the azo/azoxy dyestuffs mentioned.

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Bibliographische Detailangaben
1. Verfasser:	KARURUUYOZEFU HERUTO
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS ADHESIVES CHEMISTRY DYES LAKES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS ORGANIC CHEMISTRY ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES PAINTS POLISHES
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Beschreibung
Zusammenfassung:	A process for the preparation of the sulphone of the formula: (1) consists in reductive cleavage of azo/azoxy dyestuffs of the formula (6) The invention also relates to the azo/azoxy dyestuffs mentioned.