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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 71 (1999), S. 985-985 
    ISSN: 0009-286X
    Keywords: Chemistry ; Industrial Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 0075-4617
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Pigments of Cytinus hypocistis, I  -  Isoterchebin, the Yellow Pigment of Cytinus hypocistis (Rafflesiaceae, Parasitic Plants)From acetone extracts of fresh young shoots of Cytinus hypocitis a yellow, crystallinecompound of composition C41H30026 has been isolated by chromatography on cellulose and Sephadex. Hydrolysis products are: glucose, gallic acid, ellagic acid, brevifolin and brevifolincarboxylic acid (5). From chemical reactions and spectroscopic evidence the yellow pigment has been characterized as 1,2,3-trigalloyl-4,6-(isohexahydroxydiphenoyl)glucose (9). We therefore named this compound isoterchebin.
    Notes: Aus einem Acetonextrakt frischer Cytinustriebe wurde durch Chromatographie an Cellulose und Sephadex eine gelbe. kristalline Verbindung der Zusammensetzung C41H31026 isoliert. Durch Hydrolyse entstehen: Glucose, Gallussäure, Ellagsäure, Brevifolin und Brevifolincarbonsäure (5). Der gelbe Farbstoff läβt sich durch chemische Reaktionen und spektroskopisch als 1,2,3-Trigalloyl-4,6-(isohexahydroxydiphenoyl)glucose (9) charakterisieren; deswegen nannten wir diese Verbindung Isoterchebin.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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