DE2635802

Symmetrical carotenoids are manufactured from the molecular halves thereof by a process wherein phosphonium salts of the molecular halves of these symmetrical carotenoids are oxidized electrochemically in a solvent and in the presence of a base, causing the molecular halves to dimerize, with elimina...

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Bibliographische Detailangaben
Hauptverfasser:	JAEGER, PETER. DR., 6700 LUDWIGSHAFEN, DE, SCHULZ, BERNHARD. DR., 6830 SCHWETZINGEN, DE, NOHE, HEINZ. DR., 6701 MECKENHEIM, DE, GRASSNER, HANS. DR., 6900 HEIDELBERG, DE
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM ADHESIVES APPARATUS THEREFOR CHEMISTRY DYES ELECTROLYTIC OR ELECTROPHORETIC PROCESSES ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTIONOF COMPOUNDS OR NON-METALS 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:	Symmetrical carotenoids are manufactured from the molecular halves thereof by a process wherein phosphonium salts of the molecular halves of these symmetrical carotenoids are oxidized electrochemically in a solvent and in the presence of a base, causing the molecular halves to dimerize, with elimination of substituted phosphine oxide.