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  • Wiley-Blackwell  (3)
  • Society of Economic Geologists  (1)
  • 2000-2004
  • 1985-1989  (4)
  • 1
    Publication Date: 1985-05-01
    Print ISSN: 0361-0128
    Electronic ISSN: 1554-0774
    Topics: Geosciences
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  • 2
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 59 (1987), S. 871-875 
    ISSN: 0009-286X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 1985 (1985), S. 536-544 
    ISSN: 0170-2041
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Studies on the Hydrogenation of Saccharide Enol Phosphatesketo Sugar derivatives with α-acyloxy or α-sulfonyloxy leaving groups lead to formation of enol phosphates by Perkow reaction. On hydrogenation of the isomeric, acyclic enol phosphates 1 and 8 predominantly epimeric deoxy phosphates are obtained. Similarly, treatment of the pyranoid enol phosphate 10 gives the D-ribo derivative 9 exclusively, and the isomer 11 stereospecifically yields the 1,5-anhydro product 12 with D-arabino configuration. Reaction of the α-xylofuranoside 15 directly gives the phosphorylated furan 17. The corresponding β-compound 16 leads to formation of the enol phosphate 21, the hydrolysis and hydrogenation of which is studied.
    Notes: Aus keto-Zuckerderivaten mit α-Acyloxy-oder α-Sulfonyloxy-Austrittsgruppen lassen sich durch Perkow-Reaktion Enolphosphate gewinnen. Die isomeren, acyclischen Enolphosphate 1 und 8 werden vorwiegend zu epimeren Desoxyphosphaten hydriert. Während die Hydrierung des pyranoiden Enolphosphats 10 ausschließlich zum D-ribo-Derivat 9 führt, liefert das Isomer 11 stereospezifisch das 1,5-Anhydroprodukt 12 mit D-arabino-Konfiguration. Die Reaktion des α-Xylo-furanosids 15 ergibt direkt das phosphorylierte Furan 17. Die entsprechende β-Verbindung 16 liefert das Enolphosphat 21, dessen Hydrolyse und Hydrierung untersucht wird.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Acta Polymerica 38 (1987), S. 329-334 
    ISSN: 0323-7648
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: A simple quantum-chemical approach in π-approximation for the estimation of the band characteristics of organic polymers is derived. The results received for some compounds with conjugative bound structure units are presented as example.
    Notes: Ein einfacher quantenchemischer Ansatz zur Bandstrukturberechung in π-Näherung für organische Polymere wird vorgestellt. Die mit ihm erzielbaren Ergebnisse für Verbindungen mit konjugativ verknüpften Struktureinheiten werden in exemplarischer Weise angegeben.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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