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  • 1
    Electronic Resource
    Electronic Resource
    Two-dimensional NMR study of ganwuweizic acid (1989)
    Chichester : Wiley-Blackwell
    Organic Magnetic Resonance 27 (1989), S. 998-1001 
    Details
    ISSN: 0749-1581
    Keywords: Two-dimensional ; NMR ; Chemical shift ; Configuration ; Conformation ; Ganwuweizic acid ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Several two-dimensional NMR techniques were applied to assign completely the 1H and 13C chemical shifts and to study the configuration and conformation of a new triterpenoid, 3-keto-9,10,19-cyclopropyllanost-24-en-26-oic acid (ganwuweizic acid). Some 13C NMR signals previously reported for the triterpenoid skeleton were corrected.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mrc.1260271018
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Use of two-dimensional NMR to assign the protons and carbons in cephalotaxine (1988)
    Chichester : Wiley-Blackwell
    Organic Magnetic Resonance 26 (1988), S. 1036-1037 
    Details
    ISSN: 0749-1581
    Keywords: Cephalotaxine ; 2D NMR ; 13C ; 1H assignments ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Prton and 13C chemical shift assignments have been made for naturally occurring cephalotaxine. The assignments of two carbons are reversed from those in the liteature. The chemical shifts and configurations of the pyrrolidine protons, aminomethylene protons and benzylic protons in cephalotaxine have been determined by the application of several 2D NMR techniques.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mrc.1260261118
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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