Process for the production of meso-substituted cyanine dyes

Process for the production of meso-substituted cyanine dyes

A single-step process for the production of meso-substituted cyanine dyes is provided comprising the reaction of a dye (III), with (a) a methylene compound (IV) or (V) or a quaternary salt (VI) or (VII) and (b) a compound selected from functionalized (hetero)aromatic compounds Ar-B, saturated cyclic...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TIMPE HANS-JOACHIM, KOTTMAIR EDUARD
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
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Beschreibung
Zusammenfassung:A single-step process for the production of meso-substituted cyanine dyes is provided comprising the reaction of a dye (III), with (a) a methylene compound (IV) or (V) or a quaternary salt (VI) or (VII) and (b) a compound selected from functionalized (hetero)aromatic compounds Ar-B, saturated cyclic amines (IV) and heteroaromatic compounds (V).