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Pyridine ketoximes as analytical reagents. XXIII

Pyridinketoxime als analytische Reagenzien. XXIII

A comparison of the reactions of 2-acetylpyridine and 2-acetyl-6-methylpyridine oximes with cobalt(II)

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Summary

The effects of methyl substitution of the 6-position in the pyridine group has been studied by comparing the reactivity characteristics of cobalt with 2-acetylpyridine oxime and 2-acetyl-6-methyl-pyridine oxime. A 3∶1 ligand to metal ratio was found for the former and a 2∶1 for the latter. These results are not in agreement with previous findings by other workers. Comparison is also made with three other pyridineketoximes.

Zusammenfassung

Die Wirkung der Einführung der Methylgruppe in die 6-Stellung des Pyridinringes wurde durch Vergleich der Reaktivität von Kobalt mit 2-Acetylpyridinoxim bzw. mit 2-Acetyl-6-methylpyridinoxim untersucht. Für ersteres wurde ein Ligand:Metall-Verhältnis 3∶1 gefunden, für letzteres ein Verhältnis 2∶1. Diese Ergebnisse stimmen mit früheren Angaben anderer Autoren nicht überein. Auch drei weitere Pyridinketoxime wurden zum Vergleich herangezogen.

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Authors and Affiliations

  1. Department of Chemistry, University of Windsor, Windsor, Ontario, Canada

    P. W. Beaupré & W. J. Holland

Authors
  1. P. W. Beaupré
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  2. W. J. Holland
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Beaupré, P.W., Holland, W.J. Pyridine ketoximes as analytical reagents. XXIII. Mikrochim Acta 83, 1–5 (1984). https://doi.org/10.1007/BF01237254

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  • DOI: https://doi.org/10.1007/BF01237254

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