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  • 1995-1999  (2)
  • 1,2-bis-Dipyrrinon-9-yl-ethene  (1)
  • 2,4,6-trinitrotoluene  (1)
  • 1
    Electronic Resource
    Electronic Resource
    1,2-bis-Dipyrrinon-9-yl-ethene — a novelb-homo-verdian chromophore: the reaction of 9-methyl-10H-dipyrrin-1-ones with bromine (1995)
    Springer
    Monatshefte für Chemie 126 (1995), S. 983-991 
    Details
    ISSN: 1434-4475
    Keywords: 1,2-bis-Dipyrrinon-9-yl-ethene ; b-homo-Verdin ; Mesobiliverdin-XIIIα
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Die Reaktion von 9-Methyl-10H-dipyrrin-1-onen mit Brom in Dichlormethan ergab in mäßigen Ausbeuten rotgefärbte Gallenfarbstoffderivate. Sie konnten strukturell als 1,2-bis-Dipyrrinon-ethene zugeordnet werden, die ein Beispiel für die bisher unbekanntenb-Homoverdine darstellen. Darüber hinaus konnten aus der Reaktionsmischung die entsprechenden Mesobiliverdine-XIIIα isoliert werden. Die mechanistischen Aspekte dieser Reaktion werden diskutiert.
    Notes: Summary Upon treatment of 9-methyl-10H-dipyrrin-1-ones with bromine in dichloromethane, red bile pigment derivatives were obtained in moderate yields. They were structurally assigned as 1,2-bis-dipyrrinon-9-yl-ethenes, which are examples of the hitherto unknownb-homo-verdins. In addition, the correspondingmeso-biliverdins-XIIIα could be isolated from the reaction mixture. The mechanistic aspects of the reaction are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00811018
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Derivatization and separation of 2,4,6-trinitrotoluene metabolic products (1998)
    Springer
    Biotechnology techniques 12 (1998), S. 839-842 
    Details
    ISSN: 1573-6784
    Keywords: 2,4,6-trinitrotoluene ; 2,4,6-triaminotoluene ; derivatization ; separation ; HPLC
    Source: Springer Online Journal Archives 1860-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract 2,4,6-Triaminotoluene (TAT), an oxygen sensitive metabolic product of 2,4,6-trinitrotoluene (TNT) reduction, was derivatized yielding oxygen stable products using a procedure previously employed for the stabilization of other O2sensitive TNT metabolic products. A HPLC method is presented that allows for the separation of diverse intermediates and products of TNT metabolism following the derivatization procedure. © Rapid Science Ltd. 1998
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008833205796
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    Paper (German National Licenses)
    Fulltext
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