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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Monatshefte für Chemie 115 (1984), S. 155-163 
    ISSN: 1434-4475
    Keywords: Acetic acid/acetate ion buffer ; Kinetics of nitrosation ; Medium effect ; Morpholine
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Essigsäure/Acetat-Puffer wirkt bei der Nitrosierung von Aminen katalytisch, unter Bedingungen, wo die alleinigen nitrosierenden Agentien N2O3 und NOBr sind; andererseits wird die Nitrosierung durch H2NO 2 + unterbunden. Die kinetischen Charakteristika dieses Phänomens wurden quantitativ analysiert und mit ähnlichen Effekten der LösungsmittelTHF, DMSO und Dioxan verglichen. Die experimentellen Ergebnisse zeigen, daß dieses Verhalten auf einen Mediumeffekt zurückzuführen ist.
    Notes: Abstract Acetic acid/acetate ion buffer acts catalytically upon the nitrosation of amines under conditions in which the only nitrosating agents are N2O3 and NOBr, but inhibits nitrosation by H2NO 2 + . The kinetic characteristics of these phenomena have been analysed quantitatively and compared with similar effects caused by the solventsTHF, DMSO and dioxane. The experimental results show that this behaviour is an effect of the medium.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Virchows Archiv 395 (1982), S. 77-85 
    ISSN: 1432-2307
    Keywords: Castleman's disease ; Giant lymphoid hamartoma ; Angiofollicular lymph-node hyperplasia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The authors present the first published case of angiofollicular lymph-node hyperplasia, observed in identical twins. In both cases the lesion had the same location, but there was a difference of two years in the time of presentation. A morphological description and discussion of pathogenesis are given.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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