Verfahren zur Reinigung von Diosmin

Verfahren zur Reinigung von Diosmin

Purification of diosmin (I) involves: (i) reacting the (I) to be purified with a mineral base in an aqueous medium, to convert (I) into a phenolate which is soluble in the reaction medium, and adding powdered zinc; (ii) filtering the mixture; and (iii) acidifying the filtrate then recovering the pre...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: VERGNE, GUYSELAINE, FERRUCCIO, LAURENCE, GIBERT, DOMINIQUE, SENET, JEAN-PIERRE
Format: Patent
Sprache:ger
Schlagworte:
CHEMISTRY
DERIVATIVES THEREOF
METALLURGY
NUCLEIC ACIDS
NUCLEOSIDES
NUCLEOTIDES
ORGANIC CHEMISTRY
SUGARS
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Beschreibung
Zusammenfassung:Purification of diosmin (I) involves: (i) reacting the (I) to be purified with a mineral base in an aqueous medium, to convert (I) into a phenolate which is soluble in the reaction medium, and adding powdered zinc; (ii) filtering the mixture; and (iii) acidifying the filtrate then recovering the precipitated (I).