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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Fresenius' Zeitschrift für analytische Chemie 265 (1947), S. 321-325 
    ISSN: 1618-2650
    Keywords: Untersuchung von Hydrazinderivaten ; Kondensation mit Glutacondialdehyd
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Glutacondialdehyd, gebildet aus Pyridylpyridiniumdichlorid und Natronlauge, kondensiert in saurer Lösung mit Hydrazinderivaten in der Regel zu Verbindungen der Zusammensetzung 1∶1. In manchen Fällen bilden sich bei ausreichendem Überschuß von Glutacondialdehyd auch 2∶1-Verbindungen. Die beiden Arten unterscheiden sich voneinander durch die Lage ihrer Absorptionsbanden. Der Reaktionsmechanismus und die Zusammensetzung werden optisch untersucht.
    Notes: Abstract Glutacondialdehyde, prepared from pyridylpyridinium dichloride and sodium hydroxide, normally forms a coloured 1∶1-compound in its condensation reaction with hydrazine derivatives in acid solution. With glutacondialdehyde in excess concentration 2∶1-compounds are also formed exhibiting a different absorption spectrum. Reaction mechanisms and compositions of the condensation products have been investigated by means of optical measurements.
    Type of Medium: Electronic Resource
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