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  • 1975-1979  (3)
  • 1
    Electronic Resource
    Electronic Resource
    Identification of a lactam by mass spectrometry and proton magnetic resonance spectroscopy (1979)
    Springer
    Pharmacy world & science 1 (1979), S. 436-443 
    Details
    ISSN: 1573-739X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract Clebopride, a new drug, related to metoclopramide and sulpiride, was incubated with fortified 9000 g supernatant of liver homogenates of maleNzw rabbits. A lactam,N-(4′-piperidyl-2′-one)-4-amino-5-chloro-2-methoxybenzamide, was identified as a metabolic product, using electron impact (low and high resolution) and field desorption mass spectrometry andCat proton magnetic resonance spectroscopy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02293247
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Fibrous and tubular inclusions in four xylariaceous fungi (1976)
    Springer
    Protoplasma 89 (1976), S. 279-290 
    Details
    ISSN: 1615-6102
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Intranuclear and cytoplasmic fibrous inclusions and cytoplasmic tubular inclusions have been studied using electron microscope techniques. The fibrous inclusions are composed of closely packed, rod-like structures. Each rod has an outside diameter of ± 24 nm, a hollow centre and lateral projections along its length. The tubular inclusions occur as densely packed bundles or loose arrays of 10–13 nm diameter tubules which are composed of subunits arranged in a double helical structure. The distribution, origin and possible function of these and similar inclusions is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01275745
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    A re-examination of the synthesis and some properties of the in vitro metabolite, N-hydroxyphenmetrazineAbbreviation: CPBA = m-chloroperbenzoic acid. (1975)
    Chichester : Wiley-Blackwell
    Biological Mass Spectrometry 2 (1975), S. 137-141 
    Details
    ISSN: 1052-9306
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The reported synthesis of N-hydroxyphenmetrazine from phenmetrazine by the action of m-chloroperbenzoic acid could not be repeated. When the synthetic procedure was modified N-hydroxyphenmetrazine was obtained in low yield. The product had different properties from those claimed previously, but was identical to metabolically produced N-hydroxyphenmetrazine. It was characterized by means of thin-layer chromatography, combined gas chromatography and mass spectrometry, preparation of a t-butyldimethylsilyl derivative and oxidation to a mixture of nitrones. Mass spectrometry was also used to characterize these derivatives.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bms.1200020307
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    Paper (German National Licenses)
    Fulltext
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