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  • 1955-1959  (2)
  • 1957  (2)
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  • 1955-1959  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    On Some cis-Forms of Phenylundecapentaenal (1957)
    s.l. : American Chemical Society
    Journal of the American Chemical Society 79 (1957), S. 3854-3858 
    Details
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ja01571a061
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Über einige cis-Formen des Canthaxanthins (1957)
    New York, NY : Wiley-Blackwell
    Helvetica Chimica Acta 40 (1957), S. 1757-1767 
    Details
    ISSN: 0018-019X
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The fungal carotenoid, canthaxanthin, C40H52O2 (4,4′-diketo-β-carotene), was converted by some thermal and photochemical treatments into a stereoisomeric mixture that was resolved chromatographically. Thus, six cis forms, termed “neo-canthaxanthins A-F”, were obtained, A-C in crystalline form, the latter being identical with central-monocis-canthaxanthin prepared by Isler et al. by total synthesis. The spectral characteristics of these stereoisomers have been studied and some tentative configurational assignments proposed.
    Additional Material: 10 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/hlca.19570400623
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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